Danfoss IX012-010 User guide

Brand: Danfoss

Model: IX012-010

Type: User guide

User Manual

PLUS+1® Compliant

IX012-010 Function Block

www.danfoss.com

Revision history Table of revisions

Date Changed Rev

July 2018 Rebranding 0101

June 2009 AA

User Manual

PLUS+1® Compliant IX012-010 Function Block

2 |

Danfoss | July 2018 11063398 | AQ00000107en-US0101

IX012-010 Function Block

Configure CAN...................................................................................................................................................................................4

Inputs – Power Supply....................................................................................................................................................................5

Inputs – CAN Shield.........................................................................................................................................................................5

Inputs – Sensor Power ...................................................................................................................................................................6

Inputs – Multifunction Inputs...................................................................................................................................................... 6

Inputs – Analog Inputs................................................................................................................................................................... 7

Inputs – CAN.......................................................................................................................................................................................7

Connections and Signal Overview.............................................................................................................................................8

Configuring Communications..................................................................................................................................................... 9

Variable Addressing Mode.......................................................................................................................................................9

Predefined Addressing Mode.................................................................................................................................................9

Fixed Addressing Mode............................................................................................................................................................9

Volatile Parameters.....................................................................................................................................................................9

Non-Volatile Parameters........................................................................................................................................................10

Timing Configurations............................................................................................................................................................10

CAN Bus Load.............................................................................................................................................................................10

CAN Message Identifiers..............................................................................................................................................................10

Troubleshooting.............................................................................................................................................................................11

User Manual

PLUS+1® Compliant IX012-010 Function Block

Contents

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The IO_Module function block enables communication with the IX012-010 expansion module so the

module's additional inputs and outputs can be used.

Configure CAN

Set up CAN so that CAN messages can be transmitted to and from the I/O module.

Input Type Range Description

CAN Bus —— In the GUIDE template, identify the CAN bus that contains CAN messages to and

from the I/O module. Route this bus to the CAN input on this function block.

CAN messages sent from the I/O module to the function block contain

information about the I/O modules’ inputs, outputs and configuration. CAN

messages sent to the I/O module from the function block set outputs and

configurations.

Baudrate U32 50000–1000000 The Baudrate is the speed of the CAN Port.

Port Port —— Assigns the hardware CAN port that transmits the data.

AddrMode U8 0–2 I/O module addressing mode.

0: Variable ID addressing mode. The I/O module Tx and Rx message identifiers

are determined by the I/O module measuring the voltage on its CAN shield

input and matching that value with a predefined range and matching identifiers

in the I/O Module CAN Message Identifiers table. The CAN messages use 11 bit

identifiers in this mode.

1: Predefined ID addressing mode. The I/O module Tx and Rx message identifiers

are determined by Node/N1. These identifiers are selected by matching to the

N1 value in the I/O Module CAN Message Identifiers table. The CAN messages use

11 bit identifiers in this mode.

2: Fixed ID addressing mode. The I/O module Tx and Rx message identifiers are

determined directly by setting Tx ID and Rx ID. The CAN messages use either 11

bit or 29 bit identifiers in this mode, as determined by Frame.

Tx ID U32 0x00–0x1FFFFFFF Tx ID is the CAN message identifier used by the function block for sending

messages to the I/O module when using the Fixed ID addressing mode.

When using the service tool to configure the I/O module, this value corresponds

to the Rx parameter saved on the I/O module.

Rx ID U32 0x00–0x1FFFFFFF Rx ID is the CAN message identifier used by the function block for receiving

messages from the I/O module when using the Fixed ID addressing mode.

When using the service tool to configure the I/O module, this value corresponds

to the Tx parameter saved on the I/O module.

Frame U8 0–1 Sets CAN message identifier length when using the Fixed ID addressing mode.

0: 11 bit ID

1: 29 bit ID

Node/N1 U8 0–15 The KWP2000 node address used for communications between the I/O module

and the PLUS+1

Service Tool is Node/N1 x 8. For Variable ID addressing mode

and Predefined addressing mode this value also determines the CAN.

Net U8 0–255 KWP2000 network used for communications between the I/O module and the

PLUS+1

Service Tool.

Enable BOOL —— Enables the function block to send CAN messages to the I/O module. An F/T

transition or T at power up starts initialization.

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Input Type Range Description

Enbl_RecheckCRC BOOL —— Determines if the I/O module CRC is periodically checked to ensure the device’s

configuration matches the function block’s configuration.

T: The CRC is requested from the I/O module and compared every 5 seconds.

F: The CRC is only requested from the I/O module during initialization.

Enbl_ResetTest BOOL —— Determines if the I/O module volatile memory is periodically checked to ensure

the device has not lost volatile configuration information due to temporary loss

of power.

T: Volatile information is requested from the I/O module and compared every 1

second.

F: Volatile memory is not checked after initialization and temporary loss of

power to the I/O module may go undetected.

BusRecvryTm U16 0–65535 BusRecvryTm sets the time the I/O module CAN port waits after going into a

“bus off” condition before attempting to go back on the bus.

1000 is 1 ms.

DriverRecvryTm U16 0–65535 DriverRecvryTm sets the time the I/O module CAN port waits after a CAN error

causes the driver to reset before attempting to go back on the bus.

1000 is 1 ms.

RepTime_Supply U16 0–65535 Determines how often the Power, Sensor Power, and CAN Shield input values

are transmitted from the I/O module.

1000 is 1 ms.

RepTime_DigAn_In U16 0–65535 Determines how often the DigIn and AnIn values are transmitted from the I/O

module.

1000 is 1 ms.

RepTime_MF_In U16 0–65535 Determines how often the MFIn values are transmitted from the I/O module.

1000 is 1 ms.

Inputs – Power Supply

The status of power supply input on the connector and pin C1p02 is described.

Signal Type Direction Range Description

C1p02_Pwr Bus —— ——

AnIn U16 Input 0 – 32767 Analog input AD count.

Due to CAN message optimization, this value is approximated by scaling the Volt

signal.

Volt U16 Input 0 – 55015 Analog input voltage

100 is 100 mV.

Updated BOOL Input —— True when the AnIn and Volt signals are refreshed.

Inputs – CAN Shield

The status of analog and CAN0 shield inputs on the connector and pin C1p05 is described.

Signal Type Direction Range Description

C1p05_AnIn Bus —— ——

AnIn U16 Input 0 – 32767 Analog input AD count.

Due to CAN message optimization, this value is approximated by scaling the Volt

signal.

Volt U16 Input 0 – 5753 Analog input voltage

100 is 100 mV.

Updated BOOL Input —— True when the AnIn and Volt signals are refreshed.

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Inputs – Sensor Power

The status of sensor power input on the connector and pin C1p06 is described.

Signal Type Direction Range Description

C1p06_SnsrPwr Bus —— ——

AnIn U16 Input 0 – 32767 Analog input AD count.

Due to CAN message optimization, this value is approximated by scaling the Volt

signal.

Volt U16 Input 0 – 10000 Analog input voltage

100 is 100 mV.

Updated BOOL Input —— True when the AnIn and Volt signals are refreshed.

Inputs – Multifunction Inputs

The status of multifunction inputs on the connectors and pins C1p08, C1p09, and C1p10 is described.

Signal Type Direction Range Description

Pin _MFIn Bus —— ——

Config Bus —— ——

PinConfig0 U16 Output 0 – 3 Determines how the input pin is internally connected.

0: Activated with 5 V or Supply Voltage. The internal Pull Down and Pull Up

resistors are disabled.

1: Activated with Ground. The internal Pull Up resistor is connected to an internal

5 V. The internal Pull Down resistor is disabled.

2: Activated with 5 V or Supply Voltage. The internal Pull Up resistor is disabled.

The internal Pull Down resistor is connected to Ground.

3: Activated with Supply Voltage. The internal Pull Up resistor is connected to an

internal 5 V. The internal Pull Down resistor is connected to Ground.

PinConfig1 U16 Output 0 – 3 Sets the maximum input voltage to allow maximum possible input resolution.

0: 0 – 5.753 V

1: 0 – 0.448 V

2: 0 – 37.4 V

3: 0 – ~2.918 V (not recommended)

PinConfig1 U16 Output 0 – 3 Sets the maximum input voltage to allow maximum possible input resolution.

0: 0 – 5.26 V

1: 0 – 0.3675 V

2: 0 – 35.3 V

3: 0 – ~2.465 V (not recommended)

DigInConfigHigh U16 Output 0 – 65535 DigInConfigHigh is the voltage level required for DigIn to transition from false to

true.

100 is 100 mV.

DigInConfigLow U16 Output 0 – 65535 DigInConfigLow is the voltage level required for DigIn to transition from true to

false.

100 is 100 mV.

DigIn BOOL Input —— Digital input state according to PinConfig0, DigInConfigHigh and

DigInConfigLow.

AnIn U16 Input 0 – 32767 Analog input AD count.

Due to CAN message optimization, this value is approximated by scaling the Volt

signal.

Volt U16 Input 0 – 37400 Analog input voltage.

The actual maximum value is determined by PinConfig1.

100 is 100 mV.

Freq U16 Input 0 – 35300 Input Signal Frequency

100 is 100 Hz.

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Signal Type Direction Range Description

AnIn_Updated BOOL Input —— True when the DigIn, AnIn and Volt signals are refreshed.

Freq_Updated BOOL Input —— True when the Freq signal is refreshed.

Inputs – Analog Inputs

The status of analog inputs on the connectors and pins C1p11 and C1p12 is described.

Signal Type Direction Range Description

Pin _AnIn Bus —— ——

AnIn U16 Input 0 – 32767 Analog input AD count.

Due to CAN message optimization, this value is approximated by scaling the Volt or

Ohm signals.

Volt U16 Input 0 – 5753 Analog input voltage.

Only valid when PinConfig = 0.

Volt signal is 0 when PinConfig = 1.

100 is 100 mV.

Ohm Input 0 – 65535 Analog input resistance.

Only valid when PinConfig = 1.

Ohm signal is 0 when PinConfig = 0.

100 is 100 Ω.

Config Bus —— ——

PinConfig U16 Output 0 – 1 Determines if the pin reads the input voltage or resistance.

0: Voltage Input

1: Resistance Input

Updated BOOL Input —— True when the AnIn and Volt or Ohm signals are refreshed.

Inputs – CAN

Diagnostic and status information about CAN communications with the I/O module is described.

The signals appear in both the Input and Output buses.

Signal Type Direction Range Description

CAN Bus —— ——

CommStatus U16 Input 1 – 8, 255 Current status of communication with the I/O module.

0: CAN message transmission is disabled.

1: Protocol Version request is being sent to the I/O module.

2: Waiting for protocol version and hardware information response.

3: The function block is sending all stored parameters to the I/O module.

4: The function block is sending all volatile parameters to the I/O module.

5: CRC request is being sent to the I/O module.

6: Waiting for CRC response.

7: The I/O module is properly configured and in the normal operational state.

8: The function block’s output pin configurations have changed. The new

configurations are being transmitted to the I/O module. Outputs are disabled.

9 – 254: Undefined.

255: Incompatible protocol or hardware. Communication to the I/O module is

stopped.

Configured BOOL Input —— True when communication is established.

Incompat_HW BOOL Input —— The responding hardware does not match the I/O module application layer part

number expected by the function block. No more messages are sent to the I/O

module.

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Signal Type Direction Range Description

Incompat_Protocl BOOL Input —— The responding hardware uses an incompatible version of the I/O protocol. Update

the firmware running on the hardware, or use a newer version of the function block

for proper communication. No more messages are sent to the I/O module.

This version function block requires I/O module hardware using protocol version

2.00 to 2.99.

ProtocolVersion U16 Input 0 – 65535 I/O communication protocol version used by the I/O module hardware.

200 is version 2.00.

Connections and Signal Overview

When more than one I/O module is used in an application each block requires unique Inputs and

Outputs bus connections. For example, IO_Bus, IO_Bus1, IO_Bus2 are needed.

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Configuring Communications

The parameters that control the communication between a controller and an I/O module are described.

Variable Addressing Mode

Variable addressing mode is the default addressing mode of the I/O module, but it is not the default

mode for the function block.

When the device is powered, the CAN shield input voltage is measured. Communication parameters are

determined from the I/O Module CAN Message Identifiers table. For proper communication between the

function block and the I/O module, the corresponding N1 value from the table must be entered in the

function block and AddrMode must be set to 0.

Every time the device is powered, the CAN shield input voltage must be within the same N1 range for the

function block and device to reach the Configured status. After the device is powered, the CAN shield

input voltage has no effect on communication.

Predefined Addressing Mode

Predefined addressing mode is the default addressing mode for the function block, but it is not the

default mode for the I/O module.

In this mode, the I/O module reads the N1 value stored in non-volatile memory (EEPROM).

Because the function block and the I/O module use different default addressing modes, as long as the N1

value determined in the I/O module matches the N1 value set in the function block, the device is

configured using predefined addressing mode during all subsequent power cycles. As such, the proper

CAN shield voltage is only required during the first device initialization.

If setting the CAN shield voltage is not practical, use the PLUS+1

Service Tool to set the AddrMode to 1

and to set the required N1 value.

Fixed Addressing Mode

Fixed addressing mode allows for any pair of CAN message identifiers to be used for I/O module

communication.

In this mode, the I/O module relies on the RX_ID, TX_ID, and Frame parameters for communication with

the function block. Use the PLUS+1

Service Tool to set the proper values to match the function block and

to set the AddrMode.

Volatile Parameters

Once initial communication is established, all volatile parameter configuration messages are sent to the

I/O module.

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Non-Volatile Parameters

After volatile parameters are configured, the function block sends a request for the configuration CRC to

the I/O module.

If this number matches the locally calculated value, then the configurations stored on the I/O module

match those set in the function block. If the numbers do not match, then all configuration commands are

sent and the CRC is requested again.

You can use the PLUS+1

Service Tool to access all non-volatile parameters on the I/O module.

Timing Configurations

Timing for messages to and from the I/O module is established after all other configurations are sent.

CAN Bus Load

Adjust the average amount of message transmissions on the CAN bus to allow for bursts and other

increased message transmission situations.

Any CAN bus has a maximum message transmission capacity. So, to allow for situations that can cause

increases in messages, minimize the CAN bus load.

The CAN bus load is the average amount of message transmission on a CAN bus. Use the PLUS+1

CG150

USB/CAN gateway and CANKing software to view CAN bus loads.

PLUS+1

I/O modules communicate with their associated controllers over a CAN bus. System developers

can adjust I/O module RepTime and TimeOut parameters to manage CAN bus loading. Increasing these

times reduces the CAN bus load. Decreasing these times increases CAN bus load.

CAN Message Identifiers

The function block uses the following message identifiers to enable communication between the

controller and the I/O module.

I/O Module CAN Message Identifiers

CAN Shield Voltage [mV] N1 KWP2000 Node Tx ID Rx ID

0 – 299 0 0 0x180 0x300

300 – 599 1 8 0x188 0x308

600 – 899 2 16 0x190 0x310

900 – 1199 3 24 0x198 0x318

1200 – 1499 4 32 0x1A0 0x320

1500 – 1799 5 40 0x1A8 0x328

1800 – 2099 6 48 0x1B0 0x330

2100 – 2399 7 56 0x1B8 0x338

2400 – 2699 8 64 0x1C0 0x340

2700 – 2999 9 72 0x1C8 0x348

3000 – 3299 10 80 0x1D0 0x350

3300 – 3599 11 88 0x1D8 0x358

3600 – 3899 12 96 0x1E0 0x360

3900 – 4199 13 104 0x1E8 0x368

4200 – 4499 14 112 0x1F0 0x370

4500 – 15 120 0x1F8 0x378

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Troubleshooting

Find out how to ensure the outputs of the I/O module function properly, and make sure your changes to

parameters are saved.

Problem Cause Solution

Outputs of I/O module do not

function as expected. Configured is

always false.

The I/O module is using variable address mode

and the CAN shield voltage does not fall within

the range matching the function block’s N1

value.

Use the I/O Module CAN Message Identifiers table to find the

correct voltage and ensure it is applied to the CAN shield

during power up.

Change the N1 value in the function block to match the

voltage applied to the CAN shield.

Incompat_HW is true. The function block is

communicating with a device other than the I/O

module.

Ensure the proper addressing mode and corresponding

communication parameters are set on both the I/O module

and the function block.

It is possible the I/O module is correctly configured, but a

second I/O module has a similar configuration. Review

configuration and make changes to the other I/O modules.

Incompat_Protocl is true. The firmware on the

I/O module uses a version of the I/O Protocol less

than 2.00.

Update the I/O module with the latest firmware.

Incompat_Protocl is true. The firmware on the

I/O module uses a version of the I/O Protocol

later than version 2.99.

Replace the function block by using the latest available

HWD file.

When changing the I/O module ’s

parameters with the PLUS+1

Service

Tool, those changes are not properly

saved.

A function block detects the changes and resets

the parameters to the values specified in the

function block.

Disconnect the function block’s controller before making

parameter changes. If the changes do not result in different

CAN message identifiers for the I/O module, then

reconnecting the controller results in the parameters

reverting back to the values set in the function block.

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Danfoss | July 2018 11063398 | AQ00000107en-US0101 | 11

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