User Manual
Beckho 7300
V 0.1
&
2
®®
Last update: July 2012
All software-related descriptions refer to the software V1279. We recommend to update older versions of the system.
Small deviations in the description because of software changes are possible.
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contained in this le is only for private use and not to download or print for redistribution. No part of this publication
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an illegal modied or altered publication.
The devices comply with the relevant guidelines and standards of the EU.
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Table of Content
1. Electrical outlet ............................................................. 4
2. Hardware conguration ..................................................... 6
3. Software activation on the myGEKKO ........................................ 7
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1. Electrical outlet
The bus terminal system is the universal interface between eld bus system and the sensor / actua-
tor level. A unit consists of a bus coupler as head station, and up to 64 electronic series terminals, the
last one being an end terminal. For any technical signal form terminals are available, each having two
input/output channels, which can be mixed.
Technical data
Power supply 24V DC
Input current 70 mA + (total K-bus
current)/4, 500 mA max.
Starting current 2,5 x Dauerstrom
Number of Bus Terminals 64
Digital peripheral signals 256 In- / Outputs
Analog peripheral signals 128 In- / Outputs
Data transfer rates 150 baud…38,400 baud
Bus interface D-sub 9-pin, RS485
Voltage
power contact
24V DC/AC max.
Current
power contact
10 A max.
Weight 170g
Operating temperature 0°C ... +55°C
Protect. class IP20
Dimensions 47x100x69 mm
Beckho BK7300
Compatible terminals:
KL9010
KL2809 DO
KL1809 DI
KL4438 AO
KL9188 24V Terminal
KL9189 0V Terminal
KL3468 AI
KL3448 AI
KL3228 AI RTD
Warning!! The Beckho coupler only works if it is
the only one on the interface, i.e. no other IO sta-
tions may be operated on the same interface as
well as only one Beckho coupler via bus.
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RS485_GND = screen
RS485_#TX = green (A1)
RS485_TX = red (B1)
PWR+
PWR-
RX-
RX+
TRX-
TRX+
Optional power
supply: 7-12VDC
Connection to the myGEKKO
The Beckho coupler is connected to a RS485
interface. It can be connected either directly to
the RS485 interface on the myGEKKO Touch or via
a RS232/RS485 interface converter. This interface
converter can be connected to either the free
interface directly on the myGEKKO Touch or the
interface distributor USB/quadruple RS232 (Art. nr.
ACC-RS201). A maximum of 5 interfaces are avail-
able on a myGEKKO Touch with distributor.
Jumper SW1 (485-2W)
must be in position ON!
Interface converter
RS232/RS485 Art. ACC-RS401
Recommended cable type for the RS485 bus connection line is: Probus L2FIP 1x2x0.65
Connection of bus line RS485 on the bus coupler via included ProBus connector.
Caution: Activation of the terminating resistor on the bus coupler at the end of the bus line.
Connection via Interface
RS485
COM 2
COM1
with RS232 / RS485 converter
USB-COM 1-4
with USB interface dissributor
and RS232 / RS485 converter
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Setting the address of the coupler:
The address of the Modbus coupler is set via the address selection switches x10 and x1.
To set address 1 set the address selection switch x10 to 0 and x1 to 1. Caution, the ad-
dress of the Beckho coupler must be assigned according to the IO station number via
the IO conguration on the myGEKKO.
2. Hardware conguration
The modules are parameterised using the rotary switch of the BK7300. Therefore, only the end termi-
nal must be plugged. To establish the communication with the myGEKKO you need to set the baud
rate to 38400 and watchdog to 0 ms.
Setting the baud rate to 38400:
Turn o the 24V of the coupler1.
Disconnect all terminals except the end terminal, the KL90102.
Set the address selection switch x10 to 3 and x1 to 1 baud rate3.
Turn on the 24V of the coupler4.
The coupler indicates the baud rate via the LEDs5.
1 x ashing of the LEDs I/O RUN and I/O ERR means 38400 baud6.
Setting the watchdog to 0 ms:
Turn o the 24V of the coupler1.
Disconnect all terminals except the end terminal, the KL90102.
Set the address selection switch x10 to 6 and x1 to 03.
Turn on the 24V of the coupler4.
The coupler indicates the watchdog time via the LEDs5.
0 x ashing of the LEDs I/O RUN and I/O ERR means 0x1000ms=0ms6.
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3. Software activation on the myGEKKO
Parameterisation table for further settings of the modules
After connecting the Beckho modules you can start with the conguration.
Log in as congurator.
Change to the system menu -> IO conguration1.
Select the rst free IO station and set Modbus. (The address of the coupler and the number of 2.
the IO station must match)
Select the interface.3.
The baud rate must be 38400.4.
Reg In Start is 0, Reg Out Start is 20485.
Save under Reg In Digital or Reg Out Digital the digital inputs or outputs and under Reg In 6.
Analogue or Reg Out Analogue the analogue inputs or outputs
Reg Order must be selected Analogue+Digital7.
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