Contec RP-COM(FIT)H Owner's manual

F&eIT Series

RS-232C-Ethernet Media Converter

RP-COM(FIT)H

RS-232C-Ethernet Media Converter PoE

Conform

RP-COM(FIT)H-AF

User’s Manual

CONTEC CO., LTD.

RP-COM(FIT)H, RP-COM(FIT)H-AF

i

Check Your Package

Thank you for purchasing the CONTEC product.

The product consists of the items listed below.

Check, with the following list, that your package is complete. If you discover damaged or missing

items, contact your retailer.

Product Configuration List

- Module

[RP-COM(FIT)H or RP-COM(FIT)H-AF] ...1

- First Step Guide …1

- Disk [F&eIT Series Setup Disk] *1…1

- Rubber feet ...4

- Piece of Velcro ...2 set

- Power connector ...1

- Warranty Certificate …1

- Serial Number Label …1

*1 The bundled disk contains the driver software and User’s Guide (this guide)

Module Rubber feet

Disk

[F&eIT Series Setup Disk]

Piece of Velcro

× 4 × 2

Power connector

8

7

5

First Step Guide

Serial Number LabelWarranty Certificate

ii

RP-COM(FIT)H, RP-COM(FIT)H-AF

Copyright

No part of this document may be copied or reproduced in any form by any means without prior written

consent of CONTEC CO., LTD.

CONTEC CO., LTD. makes no commitment to update or keep current the information contained in this

document. The information in this document is subject to change without notice.

All relevant issues have been considered in the preparation of this document. Should you notice an

omission or any questionable item in this document, please feel free to notify CONTEC CO., LTD.

Regardless of the foregoing statement, CONTEC assumes no responsibility for any errors that may

appear in this document nor for results obtained by the user as a result of using this product.

Trademarks

F&eIT is a registered trademark or trademark of CONTEC CO., LTD. Other company and product

names that are referred to in this manual are generally trademarks or registered trade trademark.

RP-COM(FIT)H, RP-COM(FIT)H-AF

iii

Table of Contents

Check Your Package .................................................................................................................................. i

Copyright ..................................................................................................................................................... ii

Trademarks .................................................................................................................................................. ii

Table of Contents ....................................................................................................................................... iii

1. Before Using the Product 1

About the Module........................................................................................................................................ 1

Features ................................................................................................................................................. 1

Support Software.................................................................................................................................. 2

Accessories (Option) ........................................................................................................................... 3

Customer Support ........................................................................................................................................ 4

Web Site................................................................................................................................................ 4

Limited Three-Years Warranty .................................................................................................................. 4

How to Obtain Service ................................................................................................................................ 4

Liability ........................................................................................................................................................ 4

Safety Precautions ....................................................................................................................................... 5

Safety Information ............................................................................................................................... 5

Handling Precautions ........................................................................................................................... 5

Caution on maintenance ...................................................................................................................... 6

Security Warning ......................................................................................................................................... 7

Environment ......................................................................................................................................... 8

Inspection.............................................................................................................................................. 8

Storage .................................................................................................................................................. 8

Disposal ................................................................................................................................................ 8

2. Module Nomenclature and Settings 9

Nomenclature of Module Components...................................................................................................... 9

LED indicator .............................................................................................................................................. 9

MODE Switch ........................................................................................................................................... 10

ID Switch ................................................................................................................................................... 11

Input-Output Interface .............................................................................................................................. 12

3. Explanation in Mode of Operation 13

Virtual COM Mode ................................................................................................................................... 13

Through Mode ........................................................................................................................................... 14

Modem Mode............................................................................................................................................. 16

iv

RP-COM(FIT)H, RP-COM(FIT)H-AF

4. Installation and Connection 19

Installation Method ................................................................................................................................... 19

Mounting on a Device Module ......................................................................................................... 19

Mounting on a DIN Rail.................................................................................................................... 22

Table Top Installation ....................................................................................................................... 24

Connection ................................................................................................................................................. 25

Cable Connection ............................................................................................................................... 25

Connection of a Power Supply ......................................................................................................... 26

5. Setup 29

Setup Procedures ....................................................................................................................................... 29

Setup Utility ............................................................................................................................................... 29

6. SNMP Agent Functions 31

SNMPc Overview ..................................................................................................................................... 31

MIB Support .............................................................................................................................................. 31

Control Using SNMPc .............................................................................................................................. 32

Building-in to SNMPc .............................................................................................................................. 33

MIB Database Updates ............................................................................................................................. 33

7. Troubleshooting 35

When Communication Fails ............................................................................................................. 35

When SNMP Connections Fail ......................................................................................................... 35

When the RP-COM(FIT)H, RP-COM(FIT)H-AF Will Not Start ................................................. 35

8. Appendix 37

System Reference ...................................................................................................................................... 37

Product Specifications ....................................................................................................................... 37

External Dimensions.......................................................................................................................... 39

Memory register ........................................................................................................................................ 40

Differences between the RP-COM(FIT)GY, RP-COM(FIT)H and RP-COM(FIT)H-AF .............. 43

A change of specifications of RP-COM(FIT)H ..................................................................................... 44

1. Before Using the Product

RP-COM(FIT)H, RP-COM(FIT)H-AF

1

1.

Before Using the Product

This chapter provides information you should know before using the product.

About the Module

RP-COM is a media converter that converts serial communication (RS-232C) to Ethernet

communication. It allows the cable distance to be extended from the limit of the serial communication

cable length (15m) to the Ethernet cable length as well as wiring to be reduced. Moreover, RP-COM

has three different operating modes: the Penetration Mode and Modem Mode in addition to the Virtual

COM Mode, used as the standard COM operating mode.

This product is upwardly compatible with the current RP-COM(FIT)GY. Stacking an add-on device

module *1 with the product enables more channels to be available (RS-232C) and also more functions

to be extended (RS-422A/485).

It supports wide input power supply (10 - 30VDC), allowing two types of power supplies (5VDC and

PoE *2) to be selected depending on the usage and environment.

Please read this manual carefully before performing system configuration such as setting switches or

connecting to external devices. For information about how to use the software, refer to the Help

section on the attached Disk.

*1 RS-232C 2ch communication module : COM-2(FIT)GY

Isolated RS-422A/RS-485 1ch communication module : COM-1PD(FIT)GY

*2 IEEE 802.3af-defined technology that supplies power from a LAN cable. PoE enables flexible layout, regardless

where the power supply is.

Features

Two types of power supplies available

RP-COM(FIT)H : Corresponding to the wide input power supply (10 - 30VDC)

RP-COM(FIT)H-AF : 5VDC and PoE supporting the use of IEEE802.3af-compatible devices,

enabling power to be supplied from UTP cables *1

Three operating modes selectable, depending on the usage

Virtual COM Mode : Can be used like the standard COM ports of a PC (max. 32 ports)

Through Mode : Can extend the distance between devices without changing settings or

applications of each device (max. 254 pairs)

Modem Mode : Creates communication programs capable of communications between

multiple terminals (N:N, max. 254 terminals)

Up to 7 channels available for RS-232C (when three COM-2(FIT)GY’s are added)

Add-on device modules [COM-2(FIT)GY] (for RS-232C 2ch) and [COM-1PD(FIT)GY] *2

(for RS-422A/RS-485 1ch) can be freely combined to allow up to three units to be added for extension

1. Before Using the Product

2

RP-COM(FIT)H, RP-COM(FIT)H-AF

DHCP client function

Setup utility provided for easier device setup

RS-232C supports up to 921.600bps (Serial communication section)*3

The wired LAN can be 10BASE-T or 100BASE-TX (Ethernet section)

Provided a 35mm DIN rail attachment

*1 For supplying power from UTP cables, it is recommended to connect to our POW-CB30(af) or

POW-CBM4(af).

*2 The multi-drop function is not supported in COM-1PD(FIT)GY.

*3 The speed may be affected by the party on the other side of the connection and the cable length.

Support Software

Serial communication Media Converter Software

(bundled disk)

Includes a utility program for device setup and a virtual COM driver for Windows. For more details, refer to the

Help section on the attached disk.

Setup utility :

- Automatically detects RP-COM(FIT)H and RP-COM(FIT)H-AF on the network upon startup.

- Can set the device for the operating mode (Virtual COM Mode, Penetration Mode, Modem Mode), Device ID, IP

address, subnet mask, etc.

Virtual COM Driver :

- Software allowing devices in our serial communication media converter series to be used like the COM ports of a

PC (standard COM) in the Windows environment.

- For the Windows OS standard, the driver supports communication functions such as CreateFile( ),WriteFile( ),

ReadFile( ) and SetCommState( ). It also supports the communication control of Visual Basic (MS Comm).

< Operating environment >

OS *1 Windows Vista, XP, 2000, Me, 98

*1 When the virtual COM driver is used in Windows 98/Me, COM ports cannot be extended by an add-on device

module stacked with RP-COM(FIT)H or RP-COM(FIT)H-AF.

1. Before Using the Product

RP-COM(FIT)H, RP-COM(FIT)H-AF

3

Accessories (Option)

< Add-on device modules >

RS-232C 2ch Communication Module : COM-2(FIT)GY

Isolated RS-422A/485 1ch Communication Module : COM-1PD(FIT)GY

< Accessory for the RP-COM(FIT)H >

AC adapter (input : 90 - 264VAC, output : 12V 1A) : POA201-10-2

< Accessory for the RP-COM(FIT)H-AF >

AC adapter (input : 90 - 264VAC, output : 5VDC 2.0A) : POA200-20-2

AC-DC Power Supply Unit (input : 85 - 132VAC, output : 5VDC 3.0A) : POW-AD13GY

AC-DC Power Supply Unit (input : 85 - 264VAC, output : 5VDC 2.0A) : POW-AD22GY

DC-DC Power Supply Unit (input : 30 - 50VDC, output : 5VDC 3.0A) : POW-DD43GY

1. Before Using the Product

4

RP-COM(FIT)H, RP-COM(FIT)H-AF

Customer Support

CONTEC provides the following support services for you to use CONTEC products more efficiently

and comfortably.

Web Site

Japanese http://www.contec.co.jp/

English http://www.contec.com/

Chinese http://www.contec.com.cn/

Latest product information

CONTEC provides up-to-date information on products.

CONTEC also provides product manuals and various technical documents in the PDF.

Free download

You can download updated driver software and differential files as well as sample programs available in

several languages.

Note! For product information

Contact your retailer if you have any technical question about a CONTEC product or need its price,

delivery time, or estimate information.

Limited Three-Years Warranty

CONTEC products are warranted by CONTEC CO., LTD. to be free from defects in material and

workmanship for up to three years from the date of purchase by the original purchaser.

Repair will be free of charge only when this device is returned freight prepaid with a copy of the

original invoice and a Return Merchandise Authorization to the distributor or the CONTEC group

office, from which it was purchased.

This warranty is not applicable for scratches or normal wear, but only for the electronic circuitry and

original modules. The warranty is not applicable if the device has been tampered with or damaged

through abuse, mistreatment, neglect, or unreasonable use, or if the original invoice is not included, in

which case repairs will be considered beyond the warranty policy.

How to Obtain Service

For replacement or repair, return the device freight prepaid, with a copy of the original invoice. Please

obtain a Return Merchandise Authorization number (RMA) from the CONTEC group office where you

purchased before returning any product.

* No product will be accepted by CONTEC group without the RMA number.

Liability

The obligation of the warrantor is solely to repair or replace the product. In no event will the

warrantor be liable for any incidental or consequential damages due to such defect or consequences that

arise from inexperienced usage, misuse, or malfunction of this device.

1. Before Using the Product

RP-COM(FIT)H, RP-COM(FIT)H-AF

5

Safety Precautions

Understand the following definitions and precautions to use the product safely.

Safety Information

This document provides safety information using the following symbols to prevent accidents resulting

in injury or death and the destruction of equipment and resources. Understand the meanings of these

labels to operate the equipment safely.

DANGER indicates an imminently hazardous situation which, if not avoided, will

result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could

result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided, may

result in minor or moderate injury or in property damage.

Handling Precautions

- Do not modify the module. CONTEC will bear no responsibility for any problems, etc., resulting

from modifying this module.

- Do not use or store the equipment in a hot or cold place, or in a place that is subject to severe

temperature changes.(Operating temperature range: 0 - 50°C)

- Do not use or store the equipment in a place subject to direct sunlight or near a heating device, such

as a stove.

- Do not use or store the equipment in a dusty or humid place. (Operating humidity range: 10 -

90%RH, no condensation)

- As this product contains precision electronic components, do not use or store in environments

subject to shock or vibration.

- Do not use or store the product near equipment generating a strong magnetic field or radio waves.

- If you notice any strange odor or overheating, please unplug the power cord immediately.

- In the event of an abnormal condition or malfunction, please consult the dealer from whom the

equipment was purchased.

- To avoid electric shock, please do not touch the system with a wet hand.

- Do not open the module casing. CONTEC will disclaim any responsibility for equipment whose

casing has been opened.

- To prevent damage, please do not subject the unit to impact or bend it.

- To prevent contact malfunction, please do not touch the metallic pins on the external module

connector.

DANGER

WARNING

C

AUTION

CAUTION

1. Before Using the Product

6

RP-COM(FIT)H, RP-COM(FIT)H-AF

- The module contains switches that need to be properly set. Before using the module, please check

its switch settings.

- To avoid malfunction, please do not change the module switch settings in an unauthorized manner.

- The specifications of this product are subject to change without notice for enhancement and quality

improvement.

Even when using the product continuously, be sure to read the manual and understand the contents.

- Do not modify the product. CONTEC will bear no responsibility for any problems, etc., resulting

from modifying this product.

- Regardless of the foregoing statements, CONTEC is not liable for any damages whatsoever

(including damages for loss of business profits) arising out of the use or inability to use this

CONTEC product or the information contained herein.

FCC PART 15 Class A Notice

Caution on maintenance

Clean the RP-COM(FIT)H, RP-COM(FIT)H-AF by wiping lightly with a soft cloth moistened with

water or a cleaning solution. Take care to avoid the use of benzene, thinners or other volatile solutions

which may cause deformation or discoloration.

This equipment has been tested and found to comply with the limits for a Class A digital device,

pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in a commercial environment.

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instruction manual, may cause harmful interference to radio

communications. Operation of this equipment in a residential area is likely to cause harmful

interference in which case the user will be required to correct the interference at his own expense.

NOTE

FCC WARNING

Changes or modifications not expressly approved by the party responsible for compliance could void

the user's authority to operate the equipment.

1. Before Using the Product

RP-COM(FIT)H, RP-COM(FIT)H-AF

7

Security Warning

When connecting to the network, be aware of security-related problems. See the examples of Security

measures below and set up the product properly along with the network devices.

[Information security risks]

- Unauthorized access from the outside through a network could cause the system halt, data damage, or

exposure to malware * 1.

- Invaded and used as a stepping stone, a device might attack the others through networks.

(a victim becomes an assailant)

- Information might leak without realizing due to the connection to the network.

- Secondary damages such as harmful rumors, liability in damages, social credibility fall, and

opportunity loss are expected led by the troubles described above.

*1…Malware (Malicious Software) is software that brings harm to a computer system and performs unintended

operations.

[Security measures - e.g.]

- Do not keep using the default password. (Refer to the product manual for the password setting).

- Set a strong password.

⇒Combined with upper and lowercase letters, and numbers so that it cannot be easily analogized

by others.

- Change the password periodically.

- Disable unnecessary network services and functions.

- Restrict access to the network with network devices.

*2

- Restrict ports to be released on the network with network devices.

- Create a closed network connection using such as dedicated network or VPN

*3.

*2…Inquire for setting procedure to manufacturers.

*3…VPN (Virtual Private Network): a secured network that wards off unauthorized access by protecting the

communication path with authentication and encryption.

Unfortunately, there are no perfect ways to avert unauthorized access or close a security hole that are

endlessly found day and night. Please understand that risks are always involved with the Internet

connection, and we strongly recommend a user should constantly update information security

measures.

1. Before Using the Product

8

RP-COM(FIT)H, RP-COM(FIT)H-AF

Environment

Use this product in the following environment. If used in an unauthorized environment, the module

may overheat, malfunction, or cause a failure.

Operating temperature

0 - 50°C

Operating humidity

10 - 90%RH (No condensation)

Corrosive gases

None

Floating dust particles

Not to be excessive

Inspection

Inspect the product periodically as follows to use it safely.

Storage

When storing this product, keep it in its original packing form.

(1) Put the module in the storage bag.

(2) Wrap it in the packing material, then put it in the box.

(3) Store the package at room temperature at a place free from direct sunlight, moisture, shock,

vibration, magnetism, and static electricity.

Disposal

When disposing of the product, follow the disposal procedures stipulated under the relevant laws and

municipal ordinances.

RP-

COM-H

MOD

E

10 - 30

Vi+

Vi -

F

G

RS-

232C

1

0/100M

ACT

LINK

VDC

ID

0

4

5

6

7

9

C

F

8

CO

MPO

WER

0

8

F

7

C

4

B

3

6

E

5

D

A

2

9

1

- Check that the vent

il

at

i

on

s

l

it

ha

s

no

obst

ruc

tio

n a

nd

has no dust or foreig

n

ma

t

te

r

a

dh

ering.

2. Module Nomenclature and Settings

RP-COM(FIT)H, RP-COM(FIT)H-AF

9

2.

Module Nomenclature and Settings

Nomenclature of Module Components

Figure 2.1 shows the names of module components. In the figure, the indicated switch settings

represent factory settings.

Figure 2.1. Nomenclature of Module Components

Do not block the ventilation vents as this may result in damage or malfunction due to overheating.

LED indicator

Table 2.1. LED Display

- During normal operation

Name State Indicator

POWER

Flashing

Startup, or startup error

On

Operating

COM Flashing Sending or receiving COM data

- Others

Name

State

Indicator

POWER

Flashing 2 times Initialization error

Flashing 3 times Firmware writing error

POWER

COM

All flashing at

the

same time

Firmware writing in progress

LED indicator

MODE

UTP connector

P

FG

RS-232C connector

ID switch

Power supply

input connector

FG

RP-COM(FIT)H RP-COM(FIT)H-AF

RS -232C

10/100M PoE

RS -232C

10/100M

LED indicator

MODE

RS-232C connector

ID switch

LED indicator

UTP

connector

Power supply

input connector

CA

UTION

2. Module Nomenclature and Settings

10

RP-COM(FIT)H, RP-COM(FIT)H-AF

MODE Switch

This sets or initializes the operating mode for the RP-COM(FIT)H, RP-COM(FIT)H-AF. The factory

default setting is that the MODE switch setting is used and all switches are set to OFF.

You can use the MODE switch to change the operating mode from the factory default setting to your

desired mode.

For detailed settings, use the utility softwarel.

* Note that it has the meaning only in case of the ID switch value described later being 0 - E.

Table 2.2. MODE Switch

- < Setting the MODE switch before power-on and then turning on the power >

Item Description

Operating mode

Set the operating mode

SW1

SW2

Operating mode

OFF

Selected in "Through Mode".

OFF

ON

Selected in "Modem Mode".

ON

OFF

Selected in "Virtual COM Mode".

ON

Not used

- < Setting the MODE switch after power-on >

Item

Description

Initialization

Restore the RP-COM(FIT)H, RP-COM(FIT)H-AF to its factory default

settings.

When SW1 is turned on during normal operation after power-on, the

POWER light and the LED of COM start flashing. Turning the switch OFF

while the LEDs are still blinking (approx. 3 seconds) restores all settings to

their factory default values when the module is next restarted.

* Wait until the POWER and COM LEDs have gone back to their normal

states before rebooting or turning off the power.

2. Module Nomenclature and Settings

RP-COM(FIT)H, RP-COM(FIT)H-AF

11

ID Switch

This sets the device ID for the RP-COM(FIT)H, RP-COM(FIT)H-AF.

The setting range is 0 - E (0 - 14), but the ID can be set in the range 0 - 254 by software.

Note that device ID F (15) means “Terminal Mode”.

The factory default setting is that the ID switch setting is used and the device ID is set to “0”.

Figure 2.2. ID Switch

0 - E : Device Number

F : Changes to system restoration mode.

Selected when carrying out maintenance on the product connected to Ethernet from the

setup utility

ID

Factor

y settin

g

0

1

2

3

4

5

6

7

9

A

B

C

D

E

F

8

(I

D

0

)

2. Module Nomenclature and Settings

12

RP-COM(FIT)H, RP-COM(FIT)H-AF

Input-Output Interface

RS-232C Connector

Table 2.3. RS-232C Port Pin Assignments

Connector type 9 pin D-SUB (Male)

Pin No.

Abbreviated

name

Signal name

Input-

Output

Note

1 DCD Carrier detect Input Not used

2 RxD Received data Input

3 TxD Transmitted data Output

4 DTR Data terminal ready Output

5 SG Signal ground

−

6 DSR Modem ready Input

7 RTS Request to send Output

8 CTS Clear to send Input

9 RI Ring indicator Input Not used

UTP Connector

Table 2.4. UTP Port Pin Assignments

Pin No.

Signal name

RP-COM(FIT)H RP-COM(FIT)H-AF

8

Not used

Used in PoE

7

Not used

Used in PoE

6

RD-

5 Not used Used in PoE

4

Not used

Used in PoE

3 RD+ RD+

2

TD-

1 TD+ TD+

Power Input Connector

Table 2.5. Power Input Connector Pin Assignments

Pin No.

Signal name

RP-COM(FIT)H

RP-COM(FIT)H-AF

3 10 - 30VDC input 5VDC input

2

GND

1 FG (frame ground) FG (frame ground)

1

5

9

6

No.4-40UNC

Inch screw

8

7

6

5

4

3

2

1

3

2

1

3. Explanation in Mode of Operation

RP-COM(FIT)H, RP-COM(FIT)H-AF

13

3.

Explanation in Mode of Operation

Virtual COM Mode

This mode allows the serial ports of the product to be controlled via Ethernet from the attached virtual

COM driver for Windows.

Up to 32 channels can be used between this product and the stacked add-on device module *1.

Applications already in operation and using RS-232C (or RS-422A/485 when adding

COM-1PD(FIT)GY) can be used without any changes.

Use of the setup utility enables to set the product and add-on device module. For information about

how to use the software, refer to the Help section on the attached disk.

*1 RS-232C 2ch communication module : COM-2(FIT)GY

Isolated RS-422A/RS-485 1ch communication module : COM-1PD(FIT)GY

Figure 3.1. Virtual COM Mode

- When using the virtual COM driver on Windows 98/Me, COM ports cannot be extended by using

an add-on device module that is stacked with RP-COM(FIT)H or RP-COM(FIT)H-AF.

- To avoid any adverse effects on other LAN devices, set the IP address, subnet mask, and other

network parameters to appropriate values.

- When COM-1PD(FIT)GY is stacked with RP-COM(FIT)H or RP-COM(FIT)H-AF, half-duplex

communication is disabled.

HUB

RP-COM(FIT)H

PC

Ethernet

HUB

9II 8X 7X 6X 5 X 4X 3 X 2X 1X

RP-COM-H

MODE

10 - 30

Vi+

Vi -

FG

RS-23

2C

10/1

00M

ACT

LINK

VDC

ID

4

7

9

C

8

COMPOWER

0

8

F

7

C

4

B

3

6

E

5

D

A

2

9

1

9II 8X 7 X 6X 5 X 4X 3 X 2 X 1X

(Exsample1)

RP-COM-H

MODE

10 - 30

Vi+

Vi -

FG

RS

-232

C

1

0/10

0M

ACT

LINK

VDC

ID

4

7

9

C

8

C

OM

P

O

W

E

R

0

8

F

7

C

4

B

3

6

E

5

D

A

2

9

1

RP-COM(FIT)H

HUB

9II 8X 7 X 6X 5 X 4X 3 X 2 X 1X

Ethernet

HUB

9II 8X 7X 6X 5 X 4X 3 X 2X 1X

RP-COM-H

MODE

10 - 30

Vi+

Vi -

FG

R

S-2

32C

10

/1

0

0M

ACT

LINK

VDC

ID

4

7

9

C

8

COMPOWER

0

8

F

7

C

4

B

3

6

E

5

D

A

2

9

1

CH0

CH1

RX TX

COM-2

CH0

CH1

Device

ID

RX TX

0

4

C

8

CH0

CH1

RX TX

CH0

CH1

RX TX

RP-COM(FIT)H

+ COM-2(FIT)GY

HUB

9II 8X 7 X 6X 5 X 4X 3 X 2 X 1X

(Example1) RP-COM(FIT)H can be used like "COM3 of the PC via Ethernet.

* It is same when RP-COM(FIT)H-AF is replaced to RP-COM(FIT)H.

(Example2) COM-2(FIT)GY can be used like "COM3", "COM4" and "COM5"

of the PC when stacked with more than one RP-COM(FIT)H via Ethernet.

* It is same when RP-COM(FIT)H-AF is replaced to RP-COM(FIT)H

and when COM-1PD(FIT)GY is replaced to COM2(FIT)GY, too.

(Exsample2)

PC

RS-232C device A

[Device ID = 1]

RS-232C device B

[Device ID = 1]

RS-232C device D

[Device ID = 3]

RS-232C device C

[Device ID = 2]

CAUTION

3. Explanation in Mode of Operation

14

RP-COM(FIT)H, RP-COM(FIT)H-AF

Through Mode

In this mode, data is transferred without any change from a connected device.

A serial cable used for one-to-one connection of devices can be converted to Ethernet connection

without any changes. In this way, two units must be installed as a pair for the product and stacked

add-on device module*1. Up to 254 pairs can be installed on a single circuit. However,

communication is not possible between devices connected to the product and its stacked add-on device

module.

Existing applications that operate using RS-232C (or RS-422A/485 : when expanding

COM-1PD(FIT)GY) can continue to be used without any changes.

The Device ID is set by the rotary switch on the main unit or the setup utility. For the rotary switch,

the same value is set to the Device ID. For the setup utility, the device ID of the party on the other side

of the connection (other party’s Device ID) can be set.

It is also necessary to match the serial parameters of the serial devices to be connected to the product

and its stacked add-on device module by using the setup utility.

For information about how to use the setup utility, refer to the Help section on the attached disk.

*1 RS-232C 2ch communication module : COM-2(FIT)GY

Isolated RS-422A/RS-485 1ch communication module : COM-1PD(FIT)GY

- If using broadcasting, ensure that all RP-COM(FIT)H (or RP-COM(FIT)H-AF) units have different

device IDs.

- Device ID 255 is reserved for broadcast use.

- To avoid any adverse effects on other LAN devices, set the IP address, subnet mask, and other

network parameters to appropriate values.

- Although, existing application can generally continue to be used unchanged, note that they may not

operate correctly if particular RS-232C control procedures are used (see below).

(Example) - Baud rate changed during operation

- Hardware signals used for proprietary purposes other than flow control

- RI signal used

- When COM-1PD(FIT)GY is stacked with RP-COM(FIT)H or RP-COM(FIT)H-AF, half duplex

communication is disabled.

C

AUTION

3. Explanation in Mode of Operation

RP-COM(FIT)H, RP-COM(FIT)H-AF

15

Figure 3.2. Through Mode

Ethernet

HUB

RP-COM(FIT)H

RP-

COM-

H

MO

DE

10 -

30

Vi

+

V

i -

FG

RS-232C

10/100M

ACT

L

INK

VDC

ID

4

7

9

C

8

COM

POW

ER

0

8

F

7

C

4

B

3

6

E

5

D

A

2

9

1

RP

-COM

(FI

T)H

R

P-C

OM-

H

MOD

E

1

0 -

30

Vi

+

V

i -

FG

RS-

232C

10/1

00M

ACT

LI

NK

VDC

I

D

4

7

9

C

8

COMPOWER

0

8

F

7

C

4

B

3

6

E

5

D

A

2

9

1

9II 8

X

7X

6

X

5X

4

X

3

X

2X

1

X

(Example1)

HUB

9

I

I 8

X

7X

6

X

5X

4X

3

X

2X

1

X

(Example1) An

Eth

erne

t cable is used to extend the connection of RS-232C device A and RS-232C device B.

RS-232C (device A, device ID = 1) ← Connection to Ethernet (wired LAN) → RS-232C (device B, device ID = 1)

* It is same when RP-COM(FIT)H-AF is replaced to RP-COM(FIT)H.

RS-232C device A

[Device ID = 1]

RS-232C device B

[Device ID = 1]

(

Ex

sa

m

p

le

2

)

A

n

E

th

er

n

et

c

a

bl

e

i

s

u

se

d

t

o

ex

t

en

d

t

he

co

nn

e

ct

io

n

o

f

R

S-

2

3

2

C

de

v

ic

e

C

a

n

d

RS

-

23

2C

de

vi

c

e

E

.

An

Et

he

r

ne

t

ca

ble

is

use

d t

o e

xte

nd t

he

con

nec

tion

of

RS

-2

3

2C

de

vi

c

e

D

a

nd

RS

-23

2C

dev

ice

F.

(

C

om

mu

n

ic

at

ion

is

di

sabl

ed

bet

ween

di

re

ct

ly

st

a

ck

ed

de

vi

c

es

.)

RS

-2

3

2C

(

d

ev

ice

C,

de

vic

e ID

=

1)

← C

onne

cti

on

to

E

th

e

rn

et

(w

ir

e

d

LA

N

)

→

RS-

232

C (

devi

ce

E,

dev

ice

ID

= 1

)

R

S-

2

32

C

(

de

vi

ce

D,

devi

ce

ID

= 2

) ←

Con

nec

tion

to

Et

her

net

(w

ir

e

d

L

AN

)

→

RS

-232

C (

dev

ice

F,

dev

ice

ID

= 2

)

*

It

i

s

a

me

w

he

n R

P-CO

M(F

IT)

H-AF

is

re

pla

ced

t

o

R

P-

CO

M

(F

IT

)

H

an

d

w

he

n C

OM-

1PD

(FIT

)GY

is

re

plac

ed

to

C

O

M2

(

FIT

)GY

, t

oo.

H

U

B

RP

-C

O

M-

H

M

OD

E

10

-

3

0

V

i+

V

i

-

F

G

R

S-232C

10/1

00M

AC

T

LIN

K

VDC

ID

4

7

9

C

8

CO

M

PO

WE

R

0

8

F

7

C

4

B

3

6

E

5

D

A

2

9

1

R

P

-

C

OM

(

F

I

T

)

H

+

CO

M-

2

(F

IT

)

GY

R

P-CO

M-H

M

O

DE

10

-

30

V

i

+

Vi

-

FG

RS-232C

10/100M

AC

T

LI

NK

V

D

C

I

D

4

7

9

C

8

C

OM

PO

W

ER

0

8

F

7

C

4

B

3

6

E

5

D

A

2

9

1

C

H0

CH

1

RX

TX

CO

M

-2

C

H0

CH

0

C

H1

C

H

1

D

ev

i

ce

I

D

R

X

T

X

0

4

C

8

CH0

CH

1

RX

TX

C

H0

CH

1

R

X

T

X

9

I

8

X

7X

6

X

5

X

4X

3

X

2

X

1

X

E

th

er

n

e

t

H

UB

9

I

8

X

7

X

6

X

5

X

4

X

3

X

2

X

1

X

RP

-

CO

M(

F

IT

)H

+ CO

M

-2

(

FI

T)

G

Y

C

H0

CH

1

R

X

T

X

CO

M

-2

CH0

CH

0

CH1

C

H1

De

vic

e

ID

R

X

TX

0

4

C

8

C

H0

CH

1

R

X

T

X

CH0

CH1

RX

TX

(E

x

am

p

l

e

2)

RS

-2

3

2C

d

e

vi

ce C

[D

ev

i

ce

I

D

=

1

]

RS-2

32C

de

vi

c

e

D

[

De

vi

c

e

I

D

=

2

]

RS

-2

3

2C

d

e

v

ic

e

F

[

D

e

v

ic

e

I

D

=

2

]

R

S

-2

3

2C

d

ev

i

c

e

E

[

D

ev

ic

e

I

D

=

1

]

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