prosoft MVI69-DFCM User Guide

MVI69-DFCM

CompactLogix Platform DF1 Interface Module

User Manual

Please Read This Notice

Successful application of this module requires a reasonable working knowledge of the AllenBradley CompactLogix hardware and the application in which the combination is to be used. For this reason, it is important that those responsible for implementation, satisfy themselves that the combination will meet the needs of the application without exposing personnel or equipment to unsafe or inappropriate working conditions.

This manual is provided to assist the user. Every attempt has been made to assure that the information provided is accurate and a true reflection of the product’s installation requirements. In order to assure a complete understanding of the operation of the product, the user should read all applicable Allen-Bradley documentation on the operation of the A-B hardware.

Under no circumstances will ProSoft Technology, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of the product.

Reproduction of the contents of this manual, in whole or in part, without written permission from ProSoft Technology, Inc. is prohibited.

Information in this manual is subject to change without notice and does not represent a commitment on the part of ProSoft Technology, Inc. Improvements and/or changes in this manual or the product may be made at any time. These changes will be made periodically to correct technical inaccuracies or typographical errors.

ProSoft Technology, Inc.

1675 Chester Avenue, 4 Bakersfield, CA 93301 (661) 716-5100 (661) 716-5101 (Fax) www.prosoft-technology.com

InRAx is a trademark of ProSoft Technology, Inc. CompactLogix is a trademark of Allen-Bradley Company, Inc. All other trademarks in the document are the properties of their respective owners/companies.

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Table of Contents

1 PRODUCT SPECIFICATIONS.............................................................................. 1

1.1 G

ENERAL SPECIFICATIONS................................................................................... 1

1.1.1 Slave Functional Specifications.................................................................. 1

1.1.2 Master Functional Specifications ............................................................... 1

1.1.3 Physical....................................................................................................... 2

1.1.4 CompactLogix Interface.............................................................................. 2

1.2 H

ARDWARE SPECIFICATIONS ............................................................................... 2

2 FUNCTIONAL OVERVIEW .................................................................................. 3

2.1 GENERAL CONCEPTS............................................................................................ 3

2.1.1 Module Power Up....................................................................................... 3

2.1.2 Main Logic Loop......................................................................................... 3

2.1.3 Backplane Data Transfer............................................................................ 4

2.2 N

ORMAL DATA TRANSFER .................................................................................. 5

2.2.1 Read Block .................................................................................................. 6

2.2.2 Write Block.................................................................................................. 9

2.3 SPECIAL BLOCKS ................................................................................................. 9

2.3.1 Slave Status Blocks ..................................................................................... 9

2.4 COMMAND CONTROL BLOCKS........................................................................... 12

2.4.1 Event Command ........................................................................................ 12

2.4.2 Command Control..................................................................................... 13

2.4.3 Set Module Time Using Processor Time................................................... 14

2.4.4 Warm Boot ................................................................................................ 15

2.5 D

ATA FLOW BETWEEN MVI69-DFCM MODULE AND COMPACTLOGIX

PROCESSOR .................................................................................................................... 17

2.5.1 Slave Driver Mode .................................................................................... 17

2.5.2 Master Driver Mode ................................................................................. 20

3 MODULE CONFIGURATION............................................................................. 23

3.1 POWER UP.......................................................................................................... 23

3.2 C

ONFIGURATION FILE ........................................................................................ 23

3.3 SETTING UP THE MODULE ................................................................................. 27

3.3.1 Module Data Object (DFCMModuleDef)................................................. 32

3.4 S

3.5 U

TATUS OBJECT (DFCM_STATUS) ................................................................. 34

SER DATA OBJECTS......................................................................................... 34

3.6 SLAVE POLLING CONTROL AND STATUS ............................................................ 35

3.7 DFCM S

3.8 E

3.9 C

3.10 C

VENT COMMAND (DFCMEVENTCOMMAND) .................................................. 36

OMMAND CONTROL (DFCMCOMMANDCONTROL) ......................................... 37

LOCK (DFCMCLOCK) ..................................................................................... 37

LAVE POLLING CONTROL (DFCMSLAVEPOLLINGCONTROL) ............. 35

4 LADDER LOGIC ................................................................................................... 39

4.1 M

4.2 R

4.3 W

AINROUTINE ................................................................................................... 39

EADDATA ........................................................................................................ 40

RITEDATA ...................................................................................................... 43

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Table of Contents

5 DIAGNOSTICS AND TROUBLESHOOTING .................................................. 51

5.1 READING STATUS DATA FROM THE MODULE ..................................................... 51

5.2 LED S

TATUS INDICATORS ................................................................................. 51

5.3 CLEARING A FAULT CONDITION ........................................................................ 52

5.4 T

5.5 U

ROUBLESHOOTING ........................................................................................... 52

SING THE CONFIGURATION/DEBUG PORT ........................................................ 54

5.5.1 Required Hardware .................................................................................. 54

5.6 REQUIRED SOFTWARE........................................................................................ 54

5.7 USING THE PORT .......................................................................................... 55

5.7.1 Menu Options............................................................................................ 55

5.7.1.1 A = Data Analyzer ................................................................................ 55

5.7.1.2 B = Block Transfer Statistics ................................................................ 58

5.7.1.3 C = Module Configuration.................................................................... 58

5.7.1.4 D = Database View ............................................................................... 59

5.7.1.5 E and F = Master Command Errors (Ports 1 and 2) ............................. 60

5.7.1.6 I and J = Master Command List (Ports 1 and 2)................................... 61

5.7.1.7 O and P = Slave Status List (Port 1 and 2) ........................................... 62

5.7.1.8 R = Receive Module Configuration...................................................... 62

5.7.1.9 S = Send Module Configuration ........................................................... 62

5.7.1.10 T or U = DF1 Override File Map List for Port 1 or Port 2 ............... 62

5.7.1.11 V = Version Information................................................................... 63

5.7.1.12 W = Warm Boot Module .................................................................. 63

5.7.1.13 1 and 2 = Communication Status (Ports 1 and 2) ............................. 63

5.7.1.14 6 and 7 = Port Configuration (Ports 1 and 2).................................... 64

5.7.1.15 Esc = Exit Program ........................................................................... 64

6 CABLE CONNECTIONS ...................................................................................... 65

6.1 DF1 C

OMMUNICATION PORTS ........................................................................... 65

6.1.1 Connecting the Cable to the Connector.................................................... 65

6.2 RS-232 CONFIGURATION/DEBUG PORT............................................................. 67

APPENDIX A – DFCM DATABASE DEFINITION .................................................. 69

APPENDIX B – STATUS DATA DEFINITION ......................................................... 71

APPENDIX C – CONFIGURATION DATA DEFINITION...................................... 73

APPENDIX D – DFCM COMMAND CONTROL...................................................... 83

APPENDIX E – COMMAND ERROR LIST VALUES ............................................. 85

APPENDIX F - UPLOADING AND DOWNLOADING THE CONFIGURATION

FILE ................................................................................................................................. 87

OWNLOAD A CONFIGURATION FILE TO YOUR PC........................................................ 87

PLOADING THE CONFIGURATION FILE TO THE MODULE .............................................. 92

APPENDIX G – COMMAND FUNCTION CODES .................................................. 97

Table of Contents

SUPPORT, SERVICE, AND WARRANTY .............................................................. 107

Product Specifications

1 Product Specifications

The MVI69-DFCM (“DF1 Communication Module”) product allows Allen-Bradley CompactLogix I/O compatible processors to easily interface with other DF1 protocol compatible devices. Compatible devices include not only Allen-Bradley PLC's (which all support the DF1 protocol) but also a wide assortment of end devices.

1.1 General Specifications

The MVI69-DFCM module acts as a gateway between the DF1 network and the AllenBradley backplane. The data transfer from the CompactLogix processor is asynchronous from the actions on the DF1 network. A 5000-word register space in the module is used to exchange data between the processor and the DF1 network.

Some of the general specifications include:

• Support for the storage and transfer of up to 5000 registers to/from the

CompactLogix processor's controller tags

• Module memory usage that is completely user definable

• Two ports to emulate any combination of DF1 master or slave device

• Configurable parameters include:

Protocol : Full- or half-duplex Termination Type BCC or CRC Local Station ID 0 to 254 Baud Rate : 110 to 115,200 Parity : None, Odd and Even Stop Bits : 1 or 2 RTS On and Off Timing : 0 to 65535 milliseconds Minimum Response Delay : 0 to 65535 milliseconds Use of CTS Modem Line : Yes or No ENQ Delay 0 to 65535 milliseconds Response Timeout 0 to 65535 milliseconds Retry Count 0 to 10

• Address 255 is used for broadcast messages.

1.1.1 Slave Functional Specifications

The MVI69-DFCM module accepts DF1 commands from an attached DF1 master unit. A port configured as a virtual DF1 slave permits a remote master to interact with all data contained in the module. This data can be derived from other DF1 slave devices on the network through a master port or from the CompactLogix processor.

1.1.2 Master Functional Specifications

A port configured as a virtual DF1 master device on the MVI69-DFCM module will actively issue DF1 commands to other nodes on the DF1 network. One hundred commands are supported on each port. Additionally, the master ports have an optimized polling characteristic that will poll slaves with communication problems less frequently. The CompactLogix processor can be programmed to control the activity on the port by

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actively selecting commands from the command list to execute or issuing commands directly from the ladder logic. The CompactLogix processor also has the ability to control the scanning of slaves on the port.

1.1.3 Physical

This module is designed by ProSoft Technology and incorporates licensed technology from Allen-Bradley (CompactLogix backplane technology).

• CompactLogix Form Factor - Single Slot

• Connections :

o RJ45 connectors for DF1 support of RS-232, RS-422 or RS-485

interfaces

o 1 – RJ45 RS-232 Configuration Tool Connector

1.1.4 CompactLogix Interface

• Operation via simple ladder logic

• Complete monitoring of module through RSLogix 5000 software

• CompactLogix backplane interface via I/O access

• All data related to the module is contained in a single controller tag with defined

objects to ease in the monitoring and interfacing with the module

1.2 Hardware Specifications

The MVI69-DFCM module is designed by ProSoft Technology and incorporates licensed technology from Allen-Bradley (CompactLogix backplane technology).

Current Loads 800 mA @ 5V (from backplane) Operating Temperature

Storage Temperature

Relative Humidity 5 – 95% (w/o condensation) DF1 Port Connector Two RJ45 connectors (RJ45 to DB9 cable

Configuration Connector RJ45 RS-232 Connector (RJ45 to DB9

0 to 60° C 32 to 140° F

-40 to 85°C

-40 to 185° F

shipped with unit (supporting RS-232, RS422 and RS-485 interfaces (RJ45 to DB9 cables shipped with unit.

cable shipped with unit.

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2 Functional Overview

This section provides a functional overview of the MVI69-DFCM module. A thorough understanding of the information contained in this document is required for successful implementation of the module in a user application. If you are not familiar with the data transfer and DF1 protocol operations, read this document before setting up the module.

2.1 General Concepts

The following discussion covers several concepts that are key to understanding the operation of the MVI69-DFCM module.

2.1.1 Module Power Up

• On power up the module begins performing the following logical functions:

• Initialize hardware components

o Initialize CompactLogix backplane driver o Test and Clear all RAM o Initialize the serial communication ports

• Read module configuration from the Compact Flash

• Initialize Module Register space

• Enable Slave Driver on selected ports

• Enable Master Driver on selected ports

Once this initialization procedure is complete, the module will begin communicating with other nodes on the network, depending on the configuration.

2.1.2 Main Logic Loop

Upon completing the power up configuration process, the module enters an infinite loop that performs the following functions:

From P o wer Up Logic

Call I/O Handler

Call Cfg/ Dbg P o rt

Driver

Call DF 1

Driver

Call I/O Handler

- Trans fers dat a betw een mo dule and p rocess or

- Trans fers dat a betw een mo dule and p rocess or (user, status, configuratio n, et c. )

(user, status, configuratio n, et c. )

Call Serial Port Driver (Configuration/Debug Port)

- Rx and Tx buffer rout ines are interr upt driven

- Call to serial port routines chec ks to see if there is any data

- Call to serial port routines chec ks to see if there is any data in the buffer, and de pen ding o n the value will ei th er servic e

in the buffer, and de pen ding o n the value will ei th er servic e the buffer or wait for more c har act ers

the buffer or wait for more c har act ers

Cal l DF1 Dri ve r

- If DF1 Mas ter P ort, poll s la ves using c omm and lis t

- If DF1 Slave P ort, respo nd to comman ds rec ei ved

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2.1.3 Backplane Data Transfer

The MVI69-DFCM module is unique in the way that the CompactLogix backplane is utilized. Data is paged between the module and the CompactLogix processor across the backplane using the module's input and output images. The update frequency of the images is determined by the scheduled scan rate defined by the user for the module and the communication load on the module. Typical updates are in the range of 2 to 10 milliseconds.

The data is paged between the processor and the module using input and output image blocks. You can configure the size of the blocks using the Block Transfer Size parameter in the configuration file. You can configure blocks of 60, 120, or 240 words of data depending on the number of words allowed for your own application.

This bi-directional transference of data is accomplished by the module filling in data in the module's input image to send to the processor. Data in the input image is placed in the Controller Tags in the processor by the ladder logic. The input image for the module may be set to 62, 122, or 242 words depending on the block transfer size parameter set in the configuration file.

The processor inserts data to the module's output image to be transferred to the module. The module's program extracts the data and places it in the module's internal database. The output image for the module may be set to 61, 121, or 241 words depending on the block transfer size parameter set in the configuration file.

The following diagram displays the data transfer method used to move data between the CompactLogix processor, the MVI69-DFCM module and the DF1 network.

Processor

MVI69-DFCM Module

Processor

Controller Tags

Or User Files

Status

Read Data

Write Data

Special Control

Special Control Blocks

Blocks

Ladder

Logic

Transfers

Data from

module’s input

image to data

areas in the

processor

Ladder

Logic

Transfers

Data from

Data from Processor

Processor data areas

data areas

to output image

Backplane Driver

Input Image

Output Image

Module’s

Internal

Database

Master

Driver

Driver Logic

Logic

Slave

Driver

Logic

DF1

DF1 Port

Port

Drivers

As shown in the diagram above, all data transferred between the module and the processor over the backplane is through the input and output images. Ladder logic must be written in the CompactLogix processor to interface the input and output image data

To DF1

To DF1 Network

Network

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with data defined in the Controller Tags. All data used by the module is stored in its internal database. The diagram below displays the layout of the database:

Module’s Internal Database Structure

Data

Status

and

Config

4999

5000

7999

5000 registers for us e r data

3000 words of configu ration and status data

Regist er

Data contained in this database is paged through the input and output images by coordination of the CompactLogix ladder logic and the MVI69-DFCM module's program. Up to 242 words of data can be transferred from the module to the processor at once. Up to 241 words of data can be transferred from the processor to the module. The read and write block identification codes in each data block determine the function to be performed or the content of the data block. The block identification codes used by the module are listed below:

Block Range Descriptions

-1 Status Block

0 Status Block

1 to 999 Read or write data

1000 Event Port 1

2000 Event Port 2

3000 to 3001 Port 1 slave polling control

3002 to 3006 Port 1 slave status

3100 to 3101 Port 2 slave polling control

3102 to 3106 Port 2 slave status

5000 to 5006 Port 1 command control

5100 to 5106 Port 2 command control

9972 Set module time using received time

9973 Pass module time to processor

9998 Warm-boot control block

9999 Cold-boot control block

Each image has a defined structure depending on the data content and the function of the data transfer as defined in the sections below:

2.2 Normal Data Transfer

Normal data transfer includes the paging of the user data found in the module's internal database in registers 0 to 4999 and the status data. These data are transferred through read (input image) and write (output image) blocks. The structure and function of each block is discussed in the following sections:

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2.2.1 Read Block

These blocks of data are used to transfer information from the module to the CompactLogix processor. The structure of the input image used to transfer this data is shown below:

2 to (n+1) Read Data n

where

n = 60, 120, or 240 depending on the Block Transfer Size parameter (refer to the

configuration file).

The Read Block ID is an index value used to determine the location of where the data will be placed in the CompactLogix processor controller tag array of module read data. The number of data words per transfer depends on the configured Block Transfer Size parameter in the configuration file (possible values are 60, 120, or 240).

The Write Block ID associated with the block is used to request data from the CompactLogix processor. Under normal, program operation, the module sequentially sends read blocks and requests write blocks. For example, if three read and two write blocks are used with the application, the sequence will be as follows:

R1W1-->R2W2-->R3W1-->R1W2-->R2W1-->R3W2-->R1W1-->

This sequence will continue until interrupted by other write block numbers sent by the controller or by a command request from a node on the DF1 network or operator control through the module's Configuration/Debug port.

The following example shows a typical backplane communication application.

Assume that the backplane parameters are configured as follows:

Read Register Start: 0 Read Register Count: 480 Write Register Start: 480 Write Register Count: 480

The backplane communication would be configured as follows:

Offset Description Length

0 Read Block ID 1

1 Write Block ID 1

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Database address 0 to 479 will be continuously transferred from the module to the processor. Database address 480 to 959 will continuously be transferred from the processor to the module.

The Block Transfer Size parameter basically configures how the Read Data and Write Data areas are broken down into data blocks (60, 120, or 240).

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If Block Transfer Size = 60:

If Block Transfer Size = 120:

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If Block Transfer Size = 240:

2.2.2 Write Block

These blocks of data are used to transfer information from the CompactLogix processor to the module. The structure of the output image used to transfer this data is shown below:

Offset Description Length

0 Write Block ID 1

1 to n Write Data n

where n = 60, 120, or 240 depending on the Block Transfer Size parameter (refer to the configuration file).

The Write Block ID is an index value used to determine the location in the module's database where the data will be placed. Each transfer can move up to 200 words (block offsets 1 to 200) of data.

2.3 Special Blocks

2.3.1 Slave Status Blocks

Slave status blocks are used to send status information of each slave device on a master port. Slaves attached to the master port can have one of the following states:

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State Description

0 The slave is inactive and not defined in the command list

1 The slave is actively being polled or controlled by the

2 The master port has failed to communicate with the slave

3 Communications with the slave has been disabled by the

Slaves are defined to the system when the module initializes the master command list. Each slave defined will be set to a state of one in this initial step. If the master port fails to communicate with a slave device (retry count expired on a command), the master will set the state of the slave to a value of 2 in the status table. This suspends communication with the slave device for a user specified scan count (Error Delay Count parameter in the configuration file). Each time a command in the list is scanned that has the address of a suspended slave, the delay counter value will be decremented. When the value reaches zero, the slave state will be set to one.

In order to read the slave status table, you should refer to the sample ladder logic. The ladder logic must send a special block to the module to request the data. Each port has a specific set of blocks to request the data as follows:

BLOCK ID DESCRIPTION

3002 Request status for slaves 0 to 59 for Port 1 3003 Request status for slaves 60 to 119 for Port 1 3004 Request status for slaves 120 to 179 for Port 1 3005 Request status for slaves 180 to 239 for Port 1 3006 Request status for slaves 240 to 255 for Port 1 3102 Request status for slaves 0 to 59 for Port 2 3103 Request status for slaves 60 to 119 for Port 2 3104 Request status for slaves 120 to 179 for Port 2 3105 Request status for slaves 180 to 239 for Port 2 3106 Request status for slaves 240 to 255 for Port 2

The format of these blocks is as shown below:

Write Block – Request Slave Status

Offset Description Length

0 3002 – 3006 or 3102 – 3106 1

1 to n Spare n

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

for the master port.

master port and communications is successful.

device. Communications with the slave is suspended for a user defined period based on the scanning of the command list.

ladder logic. No communication will occur with the slave until this state is cleared by the ladder logic.

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The module will recognize the request by receiving the special write block code and respond with a read block with the following format:

Read Block – Read Slave Status

Offset Description Length

0 3002-3006 or 3102-3106 1 1 Write Block ID 1

2-61 Slave Poll Status Data 60

62 to n Spare (if present)

The sample ladder logic shows how to override the value in the slave status table to disable slaves (state value of 3) by sending a special block of data from the processor to the slave. Port 1 slaves are disabled using block 3000, and Port 2 slaves are disabled using block 3100. Each block contains the slave node addresses to disable. The structure of the block is displayed below:

Write Block – Disable Slaves

Offset Description Length

0 3000 or 3100 1 1 Number of slaves in block 1

2 to 61 Slave indexes 60

62 to (n+1) Spare

n=120, or 240 (if configured)

The module will respond with a block with the same identification code received and indicate the number of slaves acted on with the block. The format of this response block is displayed below:

Read Block – Disable Slaves

Offset Description Length

0 3000 or 3100 1 1 Write Block ID 1 2 Number of slaves processed 1

3 to (n+1) Spare

n=60, 120, or 240 (if configured)

The sample ladder logic explains how to override the value in the slave status table to enable the slave (state value of 1) by sending a special block. Port 1 slaves are enabled using block 3001, and Port 2 slaves are enabled using block 3101. Each block contains the slave node addresses to enable. The format of the block is displayed below:

Write Block – Enable Slaves

Offset Description Length

0 3001 or 3101 1 1 Number of slaves in block 1 2 Slave indexes 1

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3 to n Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

The module will respond with a block with the same identification code received and indicate the number of slaves acted on with the block. The format of this response block is displayed below:

Read Block – Enable Slaves

Offset Description Length

0 3001 or 3101 1 1 Write Block ID 1 2 Number of slaves processed 1

3-n Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

Important: The slaves are enabled by default. Therefore, this block should only be used after Block 3000 or 3001 to re-enable the slaves.

2.4 Command Control Blocks

Command control blocks are special blocks used to control the module or request special data from the module. The current version of the software supports five command control blocks: event command control, command control, transfer time, warm boot and cold boot.

2.4.1 Event Command

Event command control blocks are used to send DF1 commands directly from the ladder logic to one of the master ports. The format for these blocks is displayed below:

Write Block – Event Command

Offset Description Length

0 1000 or 2000 1 1 Internal DB Address 1 2 Point Count 1 3 Swap Code 1 4 Node Address 1 5 Function Code 1 6 Parameter #1 1 7 Parameter #2 1 8 Parameter #3 1 9 Parameter #4 1

10 to n Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

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The block number defines the DF1 port to be considered. Block 1000 commands are directed to Port 1, and block 2000 commands are directed to Port 2. The parameters passed with the block are used to construct the command. The Internal DB Address parameter specifies the module's database location to associate with the command. The

Point Count parameter defines the number of registers for the command. The Swap Code is used to change the word or byte order. The Node Address parameter is used

to define the device on the DF1 network to consider. The Function Code parameter is one of those defined in the ProSoft DF1 Command Set documentation. The parameter fields in the block should be completed as required by the selected function code. Each command has its own set of parameters. When the block is received, the module will process it and place the command in the command queue. The module will respond to each event command block with a read block with the following format:

Read Block – Event Command

Offset Description Length

0 1000 or 2000 1 1 Write Block ID 1 2 0=Fail, 1=Success 1

3 to n Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

Word two of the block can be used by the ladder logic to determine if the command was added to the command queue of the module. The command will only fail if the command queue for the port is full (100 commands for each queue) or the command requested is invalid.

2.4.2 Command Control

Command control blocks are used to place commands in the command list into the command queue. Each port has a command queue of up to 100 commands. The module services commands in the queue before the master command list. This gives high priority to commands in the queue. Commands placed in the queue through this mechanism must be defined in the master command list. Under normal command list execution, the module will only execute commands with the Enable parameter set to one or two. If the value is set to zero, the command is skipped. Commands may be placed in the command list with an Enable parameter set to zero. These commands can then be executed using the command control blocks.

One to six commands can be placed in the command queue with a single request. The format of the block is displayed in the following table:

Write Block – Command Control

Offset Description Length

0 5001-5006 or 5101-5106 1 1 Command index 1 2 Command index 1 3 Command index 1 4 Command index 1

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n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

Blocks in the range of 5001 to 5006 are used for Port 1, and blocks in the range of 5101 to 5106 are used for Port 2. The last digit in the block code defines the number of commands to process in the block. For example, a block code of 5003 contains 3 command indexes that are to be used with Port 1. The Command index parameters in the block have a range of 0 to 99 and correspond to the master command list entries. The module responds to a command control block with a block containing the number of commands added to the command queue for the port. The format of the block is displayed below:

Read Block – Command Control

5 Command index 1 6 Command index 1

7 to n Spare

Offset Description Length

0 5000-5006 or 5100-5106 1 1 Write Block ID 1

2 Number of commands added to

command queue

3 to (n+1) Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

2.4.3 Set Module Time Using Processor Time

This block can be used to update the module’s internal clock (date and time).

Write Block – Set Module Time

Offset Description Length

0 9972 1 1 Year (0-9999) 1 2 Month (1-12) 1 3 Day (1-31) 1 4 Hour (0-23) 1 5 Minutes (0-59) 1 6 Seconds (0-59) 1

7 to n Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

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Set Module Time Response

Read Block – Set Module Time

Offset Description Length

0 9972 1 1 Write Block ID 1

2 to (n+1) Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

Get Module Time for Processor Time

Write Block – Get Module Time

Offset Description Length

0 9973 1

1 to n Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

Read Block – Write Module TIme

Offset Description Length

0 9973 1 1 Write Block ID 1 2 Year (0-9999) 1 3 Month (1-12) 1 4 Day (1-31) 1 5 Hour (0-23) 1 6 Minutes (0-59) 1 7 Seconds (0-59) 1

8 to n Spare

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

2.4.4 Warm Boot

This block is sent from the CompactLogix processor to the module (output image) when the module is required to perform a warm-boot (software reset) operation. The structure of the control block is shown below:

Offset Description Length

0 9998 1

1 to n Spare 247

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

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Functional Overview

Cold Boot

This block is sent from the CompactLogix processor to the module (output image) when the module is required to perform the cold boot (hardware reset) operation. This block is sent to the module when a hardware problem is detected by the ladder logic that requires a hardware reset. The structure of the control block is shown below:

n=60, 120, or 240 depending on what is entered in the Block Transfer Size parameter (see the configuration file).

Offset Description Length

0 9999 1

1 to n Spare 247

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Functional Overview

2.5 Data Flow between MVI69-DFCM Module and CompactLogix Processor

The following discussion details the flow of data between the two pieces of hardware (CompactLogix processor and MVI69-DFCM module) and other nodes on the DF1 network under the module’s different operating modes. Each port on the module is configured to emulate a DF1 master device or a DF1 slave device. The operation of each port is dependent on this configuration. The sections below discuss the operation of each mode.

2.5.1 Slave Driver Mode

The Slave Driver Mode allows the MVI69-DFCM module to respond to data read and write commands issued by a master on the DF1 network. The following flow chart and associated table detail the flow of data into and out of the module.

Processor Memory DFCM ModuleBackplane Interface

User Files Or

Controller Tags

Database

Addresses

from Module

Data

storage

Status

Data

4999

Data

Status

Configuration

Status

Slave

Slave Mode

Mode

Driver

Step Description

1 The DF1 slave port driver receives the configuration information from the

internal Compact Flash disk. This information is used to configure the serial port and define the slave node characteristics. The module simulates N-files to permit remote access of the database. Each file has a configurable length of 60, 120, or 240-word registers.

2 A Host device, such as an Allen-Bradley PLC or an MMI package issues a

read or write command to the module’s node address. The port driver qualifies the message before accepting it into the module.

3 Once the module accepts the command, the data is immediately

transferred to or from the internal database in the module. If the command is a read command, the data is read out of the database and a response message is built. If the command is a write command, the data is written directly into the database and a response message is built.

4 Once the data processing has been completed in Step 3, the response is

issued to the originating master node.

5 Counters are available in the Status Block that permit the ladder logic

program to determine the level of activity of the Slave Driver.

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Functional Overview

Review the Module Set Up section for a complete list of the parameters that must be defined for a slave port. The slave driver supports the following DF1 command set:

Basic Command Set Functions

Command Function Definition

0x00 N/A Protected Write X

0x01 N/A Unprotected Read X

0x02 N/A Protected Bit Write X

0x05 N/A Unprotected Bit Write X

0x06 0x00 Echo Request X

0x06 0x03 Status Request X

0x08 N/A Unprotected Write X

PLC-5 Command Set Functions

Command Function Definition

Slave

Supported in

Slave

Supported in

0x0F 0x00 Word Range Write (Binary

ddress)

0x0F 0x01 Word Range Read (Binary

ddress)

0x0F 0x26 Read-Modify-Write (Binary

ddress)

0x0F 0x00 Word Range Write (ASCII

ddress)

0x0F 0x01 Word Range Read (ASCII

ddress)

0x0F 0x26 Read-Modify-Write (ASCII

ddress)

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Functional Overview

SLC-500 Command Set Functions

Command Function Definition

0x0F 0xA1 Protected Typed Logical Read

With Two Address Fields

0x0F 0XA2 Protected Typed Logical Read

With Three Address Fields

0x0F 0XA9 Protected Typed Logical Write

With Two Address Fields

0x0F 0XAA Protected Typed Logical Write

With Three Address Fields

0x0F 0XAB Protected Typed Logical Write

With Mask (Three Address Fields)

The PLC-5 and SLC-500 command set require the use of files. These files are emulated in the module. The module defines these files depending on the following parameters in the configuration file:

• First File

• File Size

• File Offset

For example, if these parameters are configured as:

First File: 7 File Size: 200 File Offset: 0

The database would be emulated as shown in the following table:

Slave

Supported in

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Functional Overview

In order to retrieve data from the modules database register 200, the remote master would issue a command using the address N8:0. In order to interface with database base register 405, the remote master would use the address N9:5. The following table outlines the complete file emulation for the module:

0 – 4999 User Data 5000 5000 – 5099 Backplane Configuration 10 5010 – 5039 Port 1 Setup 30 5040 – 5069 Port 2 Setup 30 5070 – 5199 Reserved 130 5200 – 6399 Port 1 Commands 1200 6400 – 7599 Port 2 Commands 1200 7600 – 7700 Misc. Status Data 200 7800 – 7999 Command Control 200 8000 – 9999 Reserved 2000

All the data in the module is available to a remote host. This permits the host device to remotely configure the module and view the status data.

Database

Registe

N7:0 ------------> 0 N8:0 ------------> 200 N9:0 ------------> 400 N10:0 ------------> 600 N11:0 ------------> 800 N12:0 ------------> 1000 N13:0 ------------> 1200 N14:0 ------------> 1400 N15:0 ------------> 1600 N16:0 ------------> 1800 N17:0 ------------> 2000 N18:0 ------------> 2200 N19:0 ------------> 2400 N20:0 ------------> 2600 N21:0 ------------> 2800 N22:0 ------------> 3000 N23:0 ------------> 3200 N24:0 ------------> 3400 N25:0 ------------> 3600 N26:0 ------------> 3800 N27:0 ------------> 4000 N28:0 ------------> 4200 N29:0 ------------> 4400 N30:0 ------------> 4600 N31:0 ------------> 4800 N32:0 ------------> 5000

2.5.2 Master Driver Mode

In the Master Mode of operation, the MVI69-DFCM module is responsible for issuing read or write commands to slave devices on the DF1 network. These commands are user configured in the module via the Master Command List received from the CompactLogix processor or issued directly from the CompactLogix processor (event command control). Command status is returned to the processor for each individual command in the command list status block. The location of this status block in the module's internal database is user defined. The following flow chart and associated table detail the flow of data into and out of the module.

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Functional Overview

Processor Memory Backplane Interface

User Files Or

Controller Tags

Data

storage

Status

from Module

Event Cmd

Data

Command

Control

Database

Addresses

4999

Data

Status

Event Cmd

Data

Command

Control

Status

Configuration

Event Cmd

Data

Command

Control

DFCM Memory

Master

Command List

Master

Mode

Driver

Step Description

1 The Master driver obtains configuration data from the internal Compact

Flash disk. The configuration data obtained includes the number of commands and the Master Command List. These values are used by the Master driver to determine the type of commands to be issued to the other nodes on the DF1 network.

2 Once configured, the Master driver begins transmitting read and/or write

commands to the other nodes on the network. If writing data to another node, the data for the write command is obtained from the module's internal database to build the command.

3 Presuming successful processing by the node specified in the command, a

response message is received into the Master driver for processing.

4 Data received from the node on the network is passed into the module's

internal database, assuming a read command.

5 Status is returned to the CompactLogix processor for each command in the

Master Command List.

Refer to the appendix for a complete discussion of the structure and content of each command. Care must be taken in constructing each command in the list for predictable operation of the module. If two commands write to the same internal database address of the module, the results will not be as desired. All commands containing invalid data will be ignored by the module. The following table displays the functions supported by the module and the format of each command:

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Functional Overview

DF1 COMMAND STRUCTURE

Column # 1 2 3 4 5 6 7 8 9 10 11

Function Enable Internal Poll Interval Swap Node Function Code Code Address Tim e Count Code

FC 1 Code Register Seconds Count Code Node 1 W ord Address FC 2 Code Register Seconds Count Code Node 2 W ord Address FC 3 Code Register Seconds Count 0 Node 3 W ord Address FC 4 Code Register Seconds Count 0 Node 4 W ord Address FC 5 Code Register Seconds Count Code Node 5 W ord Address FC 100 Code Register Seconds Count Code Node 100 File Number Element Sub-Element FC 101 Code Register Seconds Count Code Node 101 File Number Element Sub-Element FC 102 Code Register Seconds Count 0 Node 102 File Number Element Sub-Element FC 150 Code Register Seconds Count Code Node 150 File String FC 151 Code Register Seconds Count Code Node 151 File String FC 152 Code Register Seconds Count 0 Node 152 File String FC 501 Code Register Seconds Count Code Node 501 File Type File Number Element FC 502 Code Register Seconds Count Code Node 502 File Type File Number Element Sub-Element FC 509 Code Register Seconds Count Code Node 509 File Type File Number Element FC 510 Code Register Seconds Count Code Node 510 File Type File Number Element Sub-Element FC 511 Code Register Seconds Count 0 Node 511 File Type File Number Element Sub-Element

Node Address = Destination Address for Message

Module Information Data Device Information Data

ddress Code Function Parameters

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Module Configuration

3 Module Configuration

3.1 Power Up

On power up, the module enters into a logical loop waiting to receive configuration data from the processor. Upon receipt, the module will begin execution of the command list if it is present.

3.2 Configuration File

In order for the module to operate, a configuration file (DFCM.CFG) is required. This configuration file contains information to set the data transfer characteristics between the module and the processor, to configure the communication information, to establish the DF1 protocol parameters, and to define the databases required to hold the protocol data sets. Each parameter in the file must be set carefully in order for the application to be implemented successfully.

The following provides an example of a DFCM configuration file. Please refer to Appendix F for information on how to transfer the configuration file between the module and the PC.

# DFCM69_120.CFG # # This file contains the configuration for the MVI69-DFCM communication # module. # # LOCATION : Test Bench # DATE : 02/19/2004 # CONFIGURED BY : RAR # MODIFIED : # # This section is used to define the configuration for the Module level # data. # [Module] Module Name : Test Example of MVI69-DFCM Communication Module

Backplane Fail Count : 0 # Error/Status Pointer : 2000 #Location for module status data (-1=ignore)

Block Transfer Size : 120 #Data size for BTR/BTW 60, 120 or 240

Read Register Start : 0 #Starting DB location where data read by processor Read Register Count : 360 #Number of words transferred to processor (BT size * n) Write Register Start : 1000 #Starting DB location where data placed by processor Write Register Count : 240 #Number of words transferred from processor (BT size * n)

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# This section is used to define the configuration for the DF1 master device # simulated on Port 1. #

[DF1 Port 1] Enabled : Yes #Y=Use port, N=Do not use port Type : Master #M=Master, S=Slave Local Station ID : 0 #DF1 node address Protocol : Full #F=Full-Duplex, H=Half-Duplex Termination Type : CRC #B=BCC, C=CRC Baud Rate : 19200 #Baud rate for port 110-115K Parity : None #N=None,O=Odd,E=Even,M=Mark,S=Space Data Bits : 8 #5, 6, 7 or 8 Stop Bits : 1 #1 or 2 Minimum Response Delay : 0 #0-65535 mSec before sending response msg RTS On : 0 #0-65536 mSec before message RTS Off : 1 #0-65536 mSec after message Use CTS Line : No #Use CTS modem control line (Y/N) Response Timeout : 15000 #Response messgage timeout (0-65535 mSec) Retry Count : 2 #Response failure retry count

ENQ Delay : 0 #0-65535 mSec before DLE-ENQ sent Minimum Command Delay : 10 #Minimum number of msec's between commands Error Delay Count : 100 #0-65535 Command cycle count if error Command Error Pointer : 3000 #Cmd Error list data (-1=ignore) Slave List Pointer : 3100 #Slave status list data (-1=ignore)

First File : 7 #First file number for SLC simulation File Size : 200 #Number of elements in each file File Offset : 0 #Database offset for first file element

[DF1 Port 1 Commands] # The file contains examples for a SLC 5/03 processor. # # LOCATION : # DATE : 06/24/99 # CONFIGURED BY : RAR # MODIFIED : # 07/23/99 -- Set to read more data file types. # START # 1 2 3 4 5 6 7 8 9 10 11 # Internal Poll Swap Node Func File File Elm Sub # Enable Address Interval Count Code Address Code Type # # Elm

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Module Configuration

1 10 0 10 0 1 501 N 7 0 1 1500 0 10 0 1 502 N 7 0 0 1 10 0 10 0 1 509 N 7 10 END

[DF1 Port 1 OVERRIDE DATA FILE MAPS] # DB File First Word # Address Number Element Length START END

# This section is used to define the configuration for the DF1 slave device # simulated on Port 2. #

[DF1 Port 2] Enabled : Yes #Y=Use port, N=Do not use port Type : Slave #M=Master, S=Slave Local Station ID : 1 #DF1 node address Protocol : FULL #F=Full-Duplex, H=Half-Duplex Termination Type : CRC #B=BCC, C=CRC Baud Rate : 19200 #Baud rate for port 110-115K Parity : None #N=None,O=Odd,E=Even,M=Mark,S=Space Data Bits : 8 #5, 6, 7 or 8 Stop Bits : 1 #1 or 2 Minimum Response Delay : 0 #0-65535 mSec before sending response msg RTS On : 0 #0-65536 mSec before message RTS Off : 1 #0-65536 mSec after message Use CTS Line : No #Use CTS modem control line (Y/N) Response Timeout : 1000 #Response messgage timeout (0-65535 mSec) Retry Count : 2 #Response failure retry count

ENQ Delay : 0 #0-65535 mSec before DLE-ENQ sent Minimum Command Delay : 0 #Minimum number of msec's between commands Error Delay Count : 100 #0-65535 Command cycle count if error Command Error Pointer : -1 #Cmd Error list data (-1=ignore) Slave List Pointer : -1 #Slave status list data (-1=ignore)

First File : 7 #First file number for SLC simulation File Size : 200 #Number of elements in each file File Offset : 0 #Database offset for first file element

[DF1 Port 2 Commands] # The file contains examples for a SLC 5/03 processor.

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Module Configuration

# # LOCATION : # DATE : 06/24/99 # CONFIGURED BY : RAR # MODIFIED : # 07/23/99 -- Set to read more data file types. # START # 1 2 3 4 5 6 7 8 9 10 11 # Internal Poll Swap Node Func File File Elm Sub # Enable Address Interval Count Code Address Code Type # # Elm END

[DF1 Port 2 OVERRIDE DATA FILE MAPS] # DB File First Word # Address Number Element Length START 3500 200 0 100 3600 230 0 200 END

The text file is separated into 5 sections with topic header names enclosed in the [ ] characters. The sections present in the file are as follows:

[Section] Description

[Module] Used to define the configuration for module-level data [DF1 Port x] Used to define the configuration for the DF1 master device

simulated on Port x.

DF1 Port x

Used to define the commands on the specified port Commands DF1 Port x Override Data File Maps

Used to override the slave default mapping in specific database

ranges

After each section header, the file contains a set of parameters. Unique labels are used under each section to specify a parameter. Each label in the file must be entered exactly as shown in the file for the parameter to be identified by the program. If the module is not considering a parameter, check the label for the data item. Each parameter's value is separated from the label with the ':' character. This character is used by the program to delimit the position in the data record where to start reading data. All data for a parameter must be placed after the ':' character. For numeric parameter values, any text located after the value will not be used. There must be at least one space character between the end of the parameter value and the following text. The following example shows a parameter entry:

RTS On : 6 #Set RTS On delay value from 0 to 65535 milliseconds

The parameter label is "RTS On" and the parameter value is 6. The characters after the parameter value are ignored and are used for internal documentation of the configuration file.

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Any record that begins with the '#' character is considered to be a comment record. These records can be placed anywhere in the file as long as the '#' character is found in the first column of the line. These lines are ignored in the file and can be used to provide documentation within the configuration file. Liberal use of comments within the file can ease the use and interpretation of the data in the file.

Sections of the configuration file that contain lists of data are formatted differently. Each list begins with the label START and ends when the END label is reached. When entering the list data, make certain that the first character in each line is left blank.

Refer to Appendix C for a description of configuration file parameters.

Changing parameters during operation

A copy of the module's configuration data is mapped in the module's database as displayed in the following table. These values are initialized when the module first receives its configuration from the configuration file.

Module Register Address

5000-5009 Data

5010-5039

and

5040-5069

5200-6399

and

6400-7599

Functional

Modes

Affected

General Module

Transfer

Master and

Slave

Master Master Command

Configuration

Port Configuration These sections are used to define the

List

Name

Description

This section of the configuration data contains

the module configuration data that defines the data transfer between the module and the CompactLogix processor.

characteristics of each of the DF1 serial communication ports on the module. These parameters must be set correctly for proper module operation.

If the module’s Master Mode functionality is to

be supported on a port, the Master Command List must be set up.

The configuration file is located in the module as well as on the CD and website. With a new module, ProSoft recommends that you download the configuration file from the module for editing. Refer to Appendix F for information on uploading and downloading the configuration file.

3.3 Setting Up the Module

Set up of the MVI69-DFCM module only requires software configuration using the RSLogix 5000 program. The easiest method to implement the module is to start with the example provided with the module (MVI69DFCM.ACD). If you are installing this module in an existing application, you can simply copy the elements required from the example ladder logic to your application. NOTE: The module can only be added to a project using the software in offline mode.

The first step in setting up the module is to define the module to the system. Right-click the mouse button on the I/O Configuration option in the Controller Organization window to display a pop-up menu. Select the New Module… option from the I/O Configuration menu.

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Module Configuration

This will cause the program to display the following dialog box.

Select the 1756-Module (Generic 1756 Module) from the list and select the OK button.

You should configure the Connection Parameters according to the Block Transfer Size parameter in the configuration file as follows:

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Module Configuration

Block Transfer Size = 60

Block Transfer Size = 120

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Module Configuration

Block Transfer Size = 240

Fill in the dialog boxes as shown adjusting the Name, Description and Slot options for your application. Be certain to select the Comm F Failure to set the Assembly Instance and Size values correctly will result in a module that will not communicate over the backplane of the CompactLogix rack. Select the Next command button to display the next dialog box.

ormat as Data - INT in the dialog box.

Select the Request Packet Interval value for scanning the I/O on the module. This value represents the minimum frequency the module will handle scheduled events. This value should not be set to less than 1 millisecond. Values between 1 and 10 milliseconds should work with most applications.

After completing the module setup, the Controller Organization window will display the module’s presence. The data required for the module will be defined to the application, and objects will be allocated in the Controller Tags data area. An example of the Controller Organization window follows.

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Module Configuration

The next step in the module’s setup is to define the User Defined Data Types to be used with the module. Copy these data types from the example ladder logic if you are not using the example. They will be defined if you are starting from the example ladder logic. The Controller Organization window should display the User Defined Data Types shown below:

The next step in module setup is to define the data to be used to interface with the module and the ladder logic. Open the Controller Tags Edit Tags dialog box and enter the values shown in the following example. The MVI69-DFCM module is defined in the example as DFCM1. You can set the tag name to any valid tag name you desire. If you are using the example ladder logic, this step has already been performed.

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Module Configuration

At this point, take the time to fill in the configuration values in the DFCM1 data table and adjust array sizes. Refer to the Module Data Object section of this document for information on configuring the module.

The last step in the module setup is to add the ladder logic. If you are using the example ladder logic, adjust the ladder to fit your application. If you are not using the ladder example, copy the ladder logic shown in the Controller Organization window below to your application.

The module is now set up and ready to be used with your application. Insert the module in the rack and attach the DF1 serial communication cables. Download the new application to the controller and place the processor in run mode. If all the configuration parameters are set correctly and the module is attached to a DF1 network, the module’s Application LED (APP LED) should remain on and the backplane activity LED (BP ACT) should blink very rapidly. Refer to the Diagnostics and Troubleshooting section of the if you encounter errors. Attach a computer or terminal to Port 1 on the module and check the status of the module using the resident debugger in the module. Refer to the Diagnostics and Troubleshooting section for a complete discussion of the use of this feature.

3.3.1 Module Data Object (DFCMModuleDef)

All data related to the MVI69-DFCM is stored in a user defined data type. An instance of the data type is required before the module can be used. This is done by simply declaring a variable of the data type in the Controller Tags Edit Tags dialog box. The structure of the object is displayed in the figure below:

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This object contains objects that define the configuration, user data, status and command control data related to the module. Each of these object types is discussed in the following sections of the document.

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3.4 Status Object (DFCM_STATUS)

This object is used to view the status of the module. The DFCM_STATUS object shown below is updated each time a read block is received by the processor. This data can be used to monitor the state of the module at a "real-time rate".

Refer to Appendix B for a complete listing of the data stored in this object.

3.5 User Data Objects

These objects are used to hold data to be transferred between the processor and the MVI69-DFCM module. The user data is the read and write data transferred between the processor and the module as "pages" of data up to 60, 120, or 240 words long depending on the Block Transfer Size parameter.

The read data array should be dimensioned according to the Read Data Count parameter in the configuration file. The ReadData task is responsible for placing the data received into the proper position in the read data array. This data can be used for status and control in the ladder logic of the processor.

The write data array should be dimensioned according to the Read Data Count parameter in the configuration file. . The WriteData task is responsible for placing the write data into the output image for transfer to the module.

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3.6 Slave Polling Control and Status

Two arrays are allocated in the processor to hold the polling status of each slave on the master ports. This status data can be used to determine which slaves are currently active on the port, are in communication error or have their polling suspended and disabled. Ladder logic in the processor can be written to monitor and control the status of each slave on a master port. The objects used are displayed below:

3.7 DFCM Slave Polling Control (DFCMSlavePollingControl)

This user-defined data type is used to send the Enable/Disable blocks to control the slave polling with blocks 3000, 3001, 3100 or 3101.

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Module Configuration

3.8 Event Command (DFCMEventCommand)

This data type is used to issue event commands to the modules using blocks 1000 and

2000.

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3.9 Command Control (DFCMCommandControl)

This data type is used to issue command control commands to the module using blocks 5000 to 5006 or 5100 to 5106.

3.10 Clock (DFCMClock)

This data type is used to issue clock commands.

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Ladder Logic

4 Ladder Logic

Ladder logic is required for application of the MVI69-DFCM module. Tasks that must be handled by the ladder logic are module configuration, data transfer, special block handling and status data receipt. This section discusses each aspect of the ladder logic as required by the module. Additionally, a power-up handler should be written to handle the initialization of the module's data and to clear any processor fault conditions.

The Controller Organization window for the example ladder logic for the MVI69-DFCM module is shown below.

4.1 MainRoutine

The first rung copies the block transfer size value to be used in the ladder logic. This value (60, 120, or 240) should match the “Block Transfer Size” parameter in the configuration file.

The following routine is used to initialize the ladder logic after a boot request:

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Ladder Logic

The MainRoutine is used to recognize the presence of new read data from the module for the processor. The module will cycle through its list of read blocks to transfer data from the module to the processor. Whenever new data is available, the module will set the value for the block in the module's input image (Local:1:I:Data[249]). The ladder logic must constantly scan this input word for a new value. When a new value is present, the ladder logic should perform the ReadData and WriteData tasks in that order.

4.2 ReadData

The ReadData task is responsible for handling all new data received from the module and placing it in the proper location in the processor. Data is transferred from the module to the processor using the module's input image (Local:1:I:Data[]). The first rung of the task sets the last read block number (DFCM1.BP.LastRead) from the current block number sent from the module (Local:1:I:Data[0]).

The module sends all the status data in blocks with identification codes of 0 and -1:

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Ladder Logic

The next rung of the ladder logic determines if the new data received in the input image is user data. If user data is present, the ladder logic will place the data in the correct location in the processor's read data area (DFCM1.ReadData[]). Up to 60, 120, or 240 data words can be transferred in each block transfer depending on the Block Transfer Size parameter.

The next two rungs of ladder logic are used to handle the receipt of the slave node status data. These blocks are requested by the processor in the WriteData task and sent from

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Ladder Logic

the module to the processor. The two rungs below display the logic required to process these blocks:

The following ladder rungs handle the command control block responses for Port 1 and Port 2.

The following rung handles the block 9973 response from the module to the processor to read the time and date information.

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Ladder Logic

4.3 WriteData

The WriteData task is responsible for sending data from the processor to the MVI69DFCM module. Data is transferred from the processor to the module using the module's output image (Local:1:O:Data[]). The first rung is used to store the currently requested data set in the module's DFCM1.BP.LastWrite data object. This object is used in all subsequent ladder logic in case the input word (Local:1:I:Data[1]) changes during processing.

The next two rungs are used to handle processor control of the module using the warmand cold- boot control block numbers. When the processor requires the module to perform one of these operations, it simply copies the block number into the output image of the module and the module will perform the operation.

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Ladder Logic

The next 10 rungs are used to request the slave node status data associated with each master port. Five requests are required for each port in order to obtain the data for the potential 256-slave addresses on a port. The ladder logic below displays that required to obtain the data for Port 1:

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Ladder Logic

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Ladder Logic

The next five rungs display the logic for Port 2 slave status/control data:

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Ladder Logic

The next rung displays an example of command control. This block of data is passed from the processor to the module to execute a command in the master port’s command list.

Up to six commands can be transferred from the command list to the command queue with one request.

The next rung is used to issue an event message (user constructed message) on Port 1.

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Ladder Logic

When the DFCM.BlockRequest.EventCommandP1 bit is set, the rung will execute. It will place the command contained in the rung in the command queue for execution. This technique can be used to issue commands on a port without constructing a master command list or to execute commands that are to be issued under special conditions.

If the module is configured for no or only one block transfer, special processing is required. The module must observe the first word of the module's output image changing in order to recognize the receipt of new data. If the value never changes, the module will not process the data. This presents a problem when fewer than two blocks are to be

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Ladder Logic

transferred to the module from the processor. To overcome this problem, the module will send -1 and 0 in the input word. When the module is configured for zero write blocks, the following block request sequence will be present: -1, 0, -1, 0... When the module is configured for one write block, the following block request sequence will be present: 1, 0, 1, 0, 1, 0... The rung below is required to handle these conditions.

The next rung in the ladder logic is the most important. It handles the transfer of processor data to the module. Up to 240 words of user data held in the processor (DFCM1.WriteData[]) can be transferred to the module at one time.

The number of words per block is given by the Block Transfer Size parameter (60, 120, or 240). The parameter DFCMBlockTransferSize should match the value configured by the user in the configuration file.

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Diagnostics and Troubleshooting

5 Diagnostics and Troubleshooting

The module provides diagnostic information in four forms to the user.

1) Status Data values are transferred from the module to the controller tags in the CompactLogix processor.

2) Status data is available to other nodes on the network by reading of module's internal database area containing status data.

3) All data contained in the module can be viewed through the configuration/debug port to an attached terminal emulator.

4) LED status indicators on the front of the module yield information on the modules status.

The following sections explain how to obtain the Status Data from the module and the meaning of the individual LED's on the module.

5.1 Reading Status Data from the module

The MVI69-DFCM module returns a 29-word Status Data block that can be used to determine the module’s operating status. This data is located in the module's database at registers 7600 to 7628 and at the location specified in the configuration. This data is transferred to the CompactLogix processor continuously with each read block.

5.2 LED Status Indicators

The LED's will indicate the module’s operating status as follows:

ProSoft Module Color

CFG Green

APP Amber

BP ACT Amber

Green

Stat

On Data is being transferred between the module and

Off No data is being transferred on the

On Data is being transferred between the module and

Off No data is being transferred on the port. On Data is being transferred between the module and

Off No data is being transferred on the port. On The MVI69-DFCM module program has recognized

Off The MVI69-DFCM is functioning normally. On The LED is on when the module is performing a

Off The LED is off when the module is performing a

Indication

a remote terminal using the Configuration/Debug port.

Configuration/Debug port.

the DF1 network on Port 1.

the DF1 network on Port 2.

a communication error on one of its ports.

write operation on the backplane.

read operation on the backplane. Under normal operation, the LED should blink rapidly on and off.

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Diagnostics and Troubleshooting

ACT/FLT Red/

Gree

Off The card is not receiving any power and is not

securely plugged into the rack.

Green The module is operating normally.

Red The program has detected an error or is being

configured. If the LED remains red for over 10 seconds, the program has probably halted. Remove the card from the rack and re-insert the

card to restart the module's program. Off The battery voltage is OK and functioning. BAT Red On The battery voltage is low or the battery is not

present. Replace the battery on the module.

During module configuration, the ACT/FLT LED will be red and the APP and BP ACT LED’s will be on.

If the APP, BP ACT and ACT/FLT LED’s blink at a rate of every one-second, call ProSoft Technology, Inc. support. There is a serious problem with the module, and it will have to be sent back to ProSoft.

5.3 Clearing a Fault Condition

Typically, if the ACT/FAULT LED on the front of the module becomes illuminated red for over ten seconds, a hardware problem has been detected in the module or the program has exited. To attempt to clear the condition:

1. Remove the card from the rack and re-insert the card in the rack

2. Verify the configuration data being transferred to the module from the CompactLogix processor

If the module’s ACT/FAULT LED does not turn green, make sure the module is inserted completely into the rack. If this does not cure the problem, contact the factory.

5.4 Troubleshooting

In order to assist in the troubleshooting of the module, the following table has been put together to assist you. Please use the following to help in using the module, but if you have additional questions or problems, please do not hesitate to contact us.

The entries in this section have been placed in the order in which the problems would most likely occur after powering up the module.

Problem Description Steps to take

Processor Fault

Processor I/O LED flashes

BP ACT LED remains off or blinks slowly

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1) Be sure that the module is plugged into the slot that has been configured for the MVI69-DFCM module.

2) Assure that the slot in the rack configuration has been set up correctly:

This indicates there is a problem with backplane communications. Be certain this and all modules in the rack are configured in the processor. This indicates that backplane transfer operations are failing. Use the Configuration/Debug port facility to check this. To establish backplane communications make sure of the following:

1. The backplane driver is loaded in the module.

2. The module is configured for read and write block data transfer.

3. The ladder logic handles all read and write block

Diagnostics and Troubleshooting

situations.

4. The module is configured in the processor.

ACT/FLT LED remains red

The program has halted or a critical error has occurred. Connect to the Configuration/Debug port to see if the module is running. If the program has halted, remove the card from the rack and re-insert the card in the rack.

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Diagnostics and Troubleshooting

5.5 Using the Configuration/Debug Port

5.5.1 Required Hardware

The hardware requirements to interface with the configuration/debugger port are not too stringent. A personal computer with a standard serial port should suffice. For optimal performance, the minimum is required:

80468 based processor (Pentium preferred) 1 megabyte of memory At least one serial communications port available

Additionally, a null-modem cable is required between your PC and the port. The module's port has a DB-9 male connector at the end of a RJ-45 to DB-9 pigtail. The RJ45 end of the cable is to be placed in the MVI69-DFCM port 1 connector (top port). The cable required is displayed below:

MVI69-DFCM Configuration/Debug Port Cable

DB-9 Male

RxD

RS-232 Host

TxD

COM

5.6 Required Software

The software required on your personal computer to interface with the configuration/debugger port is operating system dependent. Tested software include the following:

DOS ProComm, PS-Term and several other terminal

Windows 3.1 Terminal Windows 95/98 HyperTerminal and PS-Term Windows NT HyperTerminal Linux Minicom

Any ASCII terminal emulation software package provided with your operating system should work as long as it can be configured as follows:

Baud Rate 57,600 Parity None Data Bits 8 Stop Bits 1

emulation programs

RxD

COM

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Diagnostics and Troubleshooting

5.7 USING THE PORT

The following steps are required to interface with the configuration/debugger port:

1. Connect your computer to the module's port using a null-modem cable.

2. Start the terminal emulation program on your computer and configure the communication parameters to those shown in the Required Software section (57K, N, 8, 1).

3. Enter the '?' character on your computer. If everything is set up correctly, the port's menu will be displayed.

If there is no response from the module, check the communication setup and the cable. In addition, make sure you are connected to the correct port on your computer and the module.

5.7.1 Menu Options

Features available through the use of the configuration/debug port on the MVI69-DFCM module are all reached using single keystrokes on your computer. There is a single main menu and several sub-menus presented on the port. To view the current selections available, press the '?' key on your computer. If you are in main menu mode, the following menu will be displayed:

If this menu is not displayed, press the 'M' key to display the main menu. All facilities offered by the configuration/debugger are shown on the main menu. Each option is discussed below:

5.7.1.1 A = Data Analyzer

Selection of this menu option places the program in analyzer menu mode. This mode of operation is used to display DF1 messages generated and received by the module. To view the menu options available in this mode, press the '?' key and the following menu will be displayed:

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Diagnostics and Troubleshooting

This tool is extremely useful in determining the operation of the module and nodes on the network of each port. The parameters shown at the bottom of the display show the current analyzer settings. Each of the menu options is discussed in the sections below:

1=Select Port 1

This option is used to select Port 1 for analysis. Data displayed when in analyzer mode will relate to this port.

2=Select Port 2

This option is used to select the Port 2 for analysis. Data displayed when in analyzer mode will relate to this port.

5=1 mSec Ticks

This option is used to generate 1-millisecond timing marks on the display. This may help when determining communication-timing characteristics.

6=5 mSec Ticks

This option is used to generate 5-millisecond timing marks on the display. This may help when determining communication-timing characteristics.

7=10 mSec Ticks

This option is used to generate 10-millisecond timing marks on the display. This may help when determining communication-timing characteristics.

8=50 mSec Ticks

This option is used to generate 50-millisecond timing marks on the display. This may help when determining communication-timing characteristics.

9=100 mSec Ticks

This option is used to generate 100-millisecond timing marks on the display. This may help when determining communication-timing characteristics.

0=No mSec Ticks

This option is used to turn the display of timing marks off.

H=Hex Format

This option is used to select the display of the data in hexadecimal format. This format is most useful when viewing DF1 protocol messages.

A=ASCII Format

This option is used to select the display of the data in ASCII format. This format is most useful when viewing ASCII messages.

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Diagnostics and Troubleshooting

B=Start

This option is used to start the data analyzer. After the key is pressed, all data transmitted and received on the currently selected port will be displayed. An example display is shown below:

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Diagnostics and Troubleshooting

Special characters used in the display are as follows:

[ ] Data enclosed in these characters represent data

received on the port.

< > Data enclosed in these characters represent data

transmitted on the port.

<R+> These characters are inserted when the RTS line is

driven high on the port.

<R-> These characters are inserted when the RTS line is

dropped low on the port.

<CS> These characters are displayed when the CTS line

is recognized high.

_TT_ These characters are displayed when the timing

mark interval has been reached. This parameter is user defined.

S=Stop

This option is used to stop the analyzer. Use this option to freeze the display so the data can be analyzed. To restart the analyzer, press the 'B' key.

WARNING -- When in analyzer mode, program execution will slow down. Only use this tool during a trouble-shooting session. Disable the analyzer before leaving the module to run in its normal mode.

M = Main Menu This menu option is used to return to the main menu mode.

5.7.1.2 B = Block Transfer Statistics

This menu option is used to display the configuration and statistics of the backplane data transfer operations. After selecting this option, the following will be displayed. Selecting this option at one-second intervals can be used to determine the number of blocks transferred each second.

5.7.1.3 C = Module Configuration

This option displays the general module configuration information for the MVI69-DFCM module. After selecting the option, the following screen will be displayed:

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Diagnostics and Troubleshooting

5.7.1.4 D = Database View

Selection of this menu option places the program in database view menu mode. This mode of operation is used to display the module's internal database values. To view the menu options available in this mode, press the '?' key and the following menu will be displayed:

All data contained in the module's database is available for viewing using the menu options. Each option available on the menu is discussed in the sections below:

0-9 = Register pages 0-9000

This menu option is used to jump to a specific set of registers in the database and display the data. The keys perform the following functions:

Key FUNCTION

0 Display registers 0 to 99 1 Display registers 1000 to 1099 2 Display registers 2000 to 2099 3 Display registers 3000 to 3099 4 Display registers 4000 to 4099 5 Display registers 5000 to 5099 6 Display registers 6000 to 6099 7 Display registers 7000 to 7099 8 Display registers 8000 to 8099 9 Display registers 9000 to 9099

S = Show Again

This menu option is used to display the current page of 100 registers in the database. Example output of the database display is shown below:

- = Back 5 Pages

This menu option is used to skip the previous 500 registers of data for viewing and display the data.

P = Previous Page

This menu option is used to select and display the previous 100 registers of data.

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Diagnostics and Troubleshooting

+ = Skip 5 Pages

This menu option is used to skip 500 registers of data and to display the new page of data.

N = Next Page

This menu option is used to select the next 100 registers of data for viewing and displays the data.

D = Decimal Display

This menu option is used to display the data on the current page in decimal format.

H = Hexadecimal Display

This menu option is used to display the data on the current page in hexadecimal format.

F = Float Display

This menu option is used to display the data on the current page in floating-point format. The program assumes that the values are aligned on even register boundaries. If floating-point values are not aligned as such, they will not be displayed properly.

A = ASCII Display

This menu option is used to display the data on the current page in ASCII format. This is useful for regions of the database that contain ASCII data.

M = Main Menu

This menu option is used to return to the main menu mode.

5.7.1.5 E and F = Master Command Errors (Ports 1 and 2)

Selection of these menu options places the program in master command error menu mode for the specified port. This mode of operation is used to display multiple pages of master command list error/status data. To view the menu options available in this mode, press the '?' key and the following menu will be displayed:

Each menu option is discussed in the following sections:

S = Show Again

This option is used to display the current page of master command error/status data. After selecting the option, the following screen will be displayed.

Each value displayed on the screen corresponds to the error/status code for the associated master command list index

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Diagnostics and Troubleshooting

- = Back 2 Pages

This option is used to skip back 20 commands and display the data.

P = Previous Page

This option is used to display the previous page of data.

+ = Skip 2 Pages

This option is used to skip past the next 20 commands and display the data.

N = Next Page

This option is used to display the next page of master command list error/status data.

D = Decimal Display

This option is used to change the display of the data to decimal format.

H = Hexadecimal Display

This option is used to change the display of error/status data to hexadecimal format.

M = Main Menu

This option is used to return the program to main menu mode.

5.7.1.6 I and J = Master Command List (Ports 1 and 2)

Selection of these menu options places the program in master command list menu mode for the specified port. This mode of operation is used to display multiple pages of master command list data. To view the menu options available in this mode, press the '?' key and the following menu will be displayed:

Each option on the menu is discussed in the following sections:

S = Show Again

This option is used to display the current page of master commands. Ten commands are displayed on each page as shown below:

- = Back 5 Pages

This menu option is used to display the master command list data after skipping the previous 50 commands.

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Diagnostics and Troubleshooting

P = Previous Page

This menu option is used to display the previous page of master command list data.

+ = Skip 5 Pages

This menu option is used to display the master command list data after skipping the next 50 commands.

N = Next Page

This menu option is used to display the next page of master command list data.

M = Main Menu

This option is used to return to the main menu mode of operation.

5.7.1.7 O and P = Slave Status List (Port 1 and 2)

Selection of these menu options displays the 256 slave status values associated with the ports. Values shown have the following definitions: 0 = slave is not used, 1 = slave being actively polled, 2 = slave suspended and 3 = slave disabled.

5.7.1.8 R = Receive Module Configuration

Selection of this menu item allows you to upload a configuration file to the module. See Appendix F for a complete procedure.

5.7.1.9 S = Send Module Configuration

Selection of this menu item allows you to download a configuration file from the module to your PC for editing. See Appendix F for a complete procedure.

5.7.1.10 T or U = DF1 Override File Map List for Port 1 or Port 2

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Diagnostics and Troubleshooting

5.7.1.11 V = Version Information

This option is used to view the current version of the software for the module and other important values. After selecting the option, the following will be displayed:

This information may be requested when calling for technical support on the product. Values at the bottom of the display are important in determining module operation. The Program Scan Counter value is incremented each time a module's program cycle is complete. This value can be used to determine the frequency of program execution by pressing the 'V' key at one-second intervals.

5.7.1.12 W = Warm Boot Module

This option is selected when a warm-boot operation is required of the module. After selecting the option, the following will be displayed:

5.7.1.13 1 and 2 = Communication Status (Ports 1 and 2)

These options are used to display the communication status and statistics of the specified port. This information can be informative when trouble-shooting network problems. After selecting the option, the following information will be displayed:

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Diagnostics and Troubleshooting

5.7.1.14 6 and 7 = Port Configuration (Ports 1 and 2)

These options are used to display the configuration information for the selected port. After selecting the option, the following information will be displayed:

5.7.1.15 Esc = Exit Program

This option is used to exit the program and to display the operating system prompt. This option should only be selected if instructed by the ProSoft Technical Support Group. If you select the option, the module will cease operation. Data will no longer be transferred between the ports and the module and between the CompactLogix processor and the module. This might cause an upset to a currently running process.

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Cable Connections

6 Cable Connections

The MVI69-DFCM module has the following communication connections on the module:

 Two DF1 communication ports (RJ45 connector)  One RS-232 Configuration/Debug port (RJ45 connector)

CommunicationCommunication

P1 P2 P3

APP BP

BAT OK

Module Configuration/

Debug Port

DF1 Master or Slave

Serial Port 1

DF1 Master or Slave

Serial Port 2

6.1 DF1 Communication Ports

The MVI69-DFCM module has two physical DF1 connectors with a RJ45 plug located on the front of the module.

6.1.1 Connecting the Cable to the Connector

ProSoft provides two RJ45 to male DB-9 pigtails to permit simpler interfacing to other devices. The module's DF1 ports can be configured to operate in RS-232, RS-422 or RS-485 mode. The interface to be associated with a port is set with jumpers on the module. There is a jumper for each of the two ports. Additionally, the use of the modem control lines is user definable. Each interface is described below:

RS-232

When the RS-232 interface is selected, the use of the modem control lines is user definable. If no modem control lines will be used, the cable to connect to the port is as shown below:

MVI69-DFCM DF1 Port RS-232 Cable (No Handshaking)

DB-9 Male

RxD

TxD

COM

RS-232 Host

TxD

RxD

COM

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Cable Connections

The RTS line is controlled by the RTS on and off parameters set for the port. If the CTS line is used (usually only required for half-duplex modems), the RTS and CTS lines must either be connected together or connected to the modem. The diagram below displays the cable required when connecting the port to a modem.

RS-485

When the RS-485 interface is used, a single two or three wire cable is required. The use of the ground is optional and dependent on the RS-485 network. The cable required for this interface is shown below:

RS-422

When the RS-422 interface is used, a four or five wire cable is required. The use of the ground is optional and dependent on the RS-422 network. The cable required for this interface is shown below:

MVI69-DFCM DF1 Port RS-232 Cable (Use CTS Line and Modem)

DB-9 Male

RxD

TxD

COM

RTS

CTS

MVI69-DFCM DF1 Port RS-485

DB-9 Male

TxD/RxD+

TxD/RxD-

GND

RS-485 Device

MVI69-DFCM DF1 Port RS-422 Cable

DB-9 Male

TxD+

TxD-

COM

RxD+

RxD-

RS-422 Device

Modem

RxD

TxD

COM

RTS

CTS

TxD/RxD+

TxD/RxD-

GND

RxD+

RxD-

COM

TxD+

TxD-

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Cable Connections

6.2 RS-232 Configuration/Debug Port

This port is physically a RJ-45 connection. A RJ-45 to DB-9 pigtail cable is shipped with the module. This port permits a PC based terminal emulation program to view configuration and status data in the module and to control the module. The cable for communications on this port is shown below:

MVI69-DFCM Configuration/Debug Port Cable

DB-9 Male

RxD

TxD

COM

RS-232 Host

TxD

RxD

COM

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Appendix A – Database Definition

Appendix A – DFCM Database Definition

This appendix contains a listing of the internal database of the MVI69-DFCM module. This information can be used to interface other devices to the data contained in the module.

0 – 4999 User Data 5000 5000 – 5009 Backplane Configuration 10 5010 – 5039 Port 1 Setup 30 5040 – 5069 Port 2 Setup 30 5070 – 5199 Reserved 130 5200 – 6399 Port 1 Commands 1200 6400 – 7599 Port 2 Commands 1200 7600 – 7700 Misc. Status Data 200 7800 – 7999 Command Control 200 8000 – 9999 Reserved 2000

The User Data area is used to hold data collected from other nodes on the network (master read commands) or data received from the processor (write blocks). Additionally, this data area is used as a data source for the processor (read blocks) or other nodes on the network (write commands).

Detailed definition of the miscellaneous status data area can be found in Appendix B.

Definition of the configuration data areas can be found in the data definition section of this document and in Appendix C.

Appendix D contains a discussion of the command control section of the database.

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Appendix B – Status Data Definition

This appendix contains a description of the members present in the DFCMStatus object. This data is transferred from the module to the processor as part of each read block.

Status Data Block Structure

Offset Content Description

7600 Program Scan

Count

7601-7602 Product Code These two registers contain the product code of

7603-7604 Product

Version

7605-7606 Operating

System

7607-7608 Run Number These two registers contain the run number

7609 Port 1

Command List Requests

This value is incremented each time a complete program cycle occurs in the module.

"DFCM"

These two registers contain the product version for the current running software.

These two registers contain the month and year values for the program operatin system.

value for the currently running software.

This field contains the number of requests made from this port to slave devices on the network.

7610 Port 1

Command List Response

7611 Port 1

Command List Errors

7612 Port 1

Requests

7613 Port 1

Responses

7614 Port 1 Errors

Sent

7615 Port 1 Errors

Received

7616 Port 2

Command List Requests

7617 Port 2

Command List Response

7618 Port 2

Command List Errors

This field contains the number of slave response messages received on the port.

This field contains the number of command errors processed on the port. These errors could be due to a bad response or command.

This field contains the total number of messages sent out of the port.

This field contains the total number of messages received on the port.

This field contains the total number of message errors sent out of the port.

This field contains the total number of message errors received on the port.

This field contains the number of requests made from this port to slave devices on the network.

This field contains the number of slave response messages received on the port.

This field contains the number of command errors processed on the port. These errors could be due to a bad response or command.

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Appendix B – Status Data Definition

7619 Port 2

Requests

7620 Port 2

Responses

7621 This field contains the total number of message

7622 Port 2 Errors

7623 Read Block

7624 Write Block

7625 Parse Block

7626 Command

7627 Command

7628 Error Block

7629 Port 1 Current

Port 2 Errors Sent

Received

Count

Event Block Count

Block Count

Count

Error

This field contains the total number of messages sent out the port.

This field contains the total number of messages received on the port.

errors sent out of the port.

This field contains the total number of message errors received on the port.

This field contains the total number of read blocks transferred from the module to the processor.

This field contains the total number of write blocks transferred from the processor to the module.

This field contains the total number of blocks successfully parsed that were received from the processor.

This field contains the total number of command event blocks received from the processor.

This field contains the total number of command blocks received from the processor.

This field contains the total number of block errors recognized by the module.

For a slave port, this field contains the value of the current error code returned. For a master port, this field contains the index of the currently executing command.

7630 Port 1 Last

Error

7631 Port 2 Current

Error

7632 Port 2 Last

Error

For a slave port, this field contains the value of the last error code returned. For a master port, this field contains the index of the command with an error.

For a slave port, this field contains the value of the current error code returned. For a master port, this field contains the index of the currently executing command.

For a slave port, this field contains the value of the last error code returned. For a master port, this field contains the index of the command with an error.

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Appendix C – Configuration Data Definition

This appendix contains listings of the MVI69-DFCM module's database that are related to the module's configuration. This data is available to any node on the network and is read from the CompactLogix processor when the module first initializes. Additionally, this appendix contains the miscellaneous status data and command control database layout.

Refer to this appendix for information about the configuration file parameters.

Configuration Data Definition

Group Register Content Description

Backplane Setup

5001 Write Reg Count This parameter specifies the number of registers to transfer

5000 Write Start Reg This parameter specifies the starting register in the module

where the data transferred from the processor will be placed. Valid range for this parameter is 0 to 4999.

from the processor to the module. Valid entry for this parameter is 0 to 5000.

5002 Read Start Reg This parameter specifies the starting register in the module

where data will be transferred from the module to the processor. Valid range for this parameter is 0 to 4999.

5003 Read Reg Count This parameter specifies the number of registers to be

transferred from the module to the processor. Valid entry for this parameter is 0 to 5000.

5004 Backplane Fail This parameter specifies the number of successive transfer

errors that must occur before the communication ports are shut down. If the parameter is set to 0, the communication ports will continue to operate under all conditions. If the value is set larger than 0 (1-65535), communications will cease if the specified number of failures occur.

5005 Error Status Pointer This parameter specifies the register location in the module's

database where module status data will be stored. If a value less than 0 is entered, the data will not be stored in the database. If the value specified is in the range of 0 to 4940, the data will be placed in the user data area.

5006 BT Size This parameter defines the size of the block transfer data area

for the application. Valid values are 60, 120 and 240.

5007 Spare

5008 Spare

5009 Spare

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Appendix C – Configuration Data Definition

Group Register Content Description

Port 1 Setup 5010 Enable This parameter is used to define if this port will be utilized. If

the parameter is set to 0, the port is disabled. A value of 1 will enable the port.

5011 Type This parameter defines if the port will emulate a master or

slave device. Enter 0 to emulate a master device and 1 to emulate a slave device.

5012 Local Station ID This parameter specifies the local station ID for all DF1

messages sent from this master port. A value of 255 is not permitted as this is the broadcast address. Enter a value in the range of 0 to 254.

5013 Protocol 0=full duplex, 1=half-duplex

5014 Termination Type This parameter specifies the error checking for all DF1

messages. 0=BCC, 1=CRC

5015 Baud Rate This is the baud rate to be used on the port. Enter the baud

rate as a value. For example, to select 19K baud, enter

19200.

5016 Parity This is the Parity code to be used for the port. The coded

values are as follows: 0=None, 1=Odd, 2=Even, 3=Mark and 4=Space.

5017 Data Bits This parameter sets the number of data bits for each word

used by the protocol. Enter a value in the range of 5 to 8.

5018 Stop Bits This parameter sets the number of stop bits to be used with

each data value sent. Enter a value of 1 or 2.

5019 Minimum Response

Delay

5020 RTS On Delay This parameter sets the number of milliseconds to delay after

5021 RTS Off Delay This parameter sets the number of milliseconds to delay after

5022 Use CTS Line This parameter specifies if the CTS modem control line is to

This parameter sets the number of milliseconds to wait before a response message is sent out of the port. This parameter is required when interfacing to a slow responding device. Enter a value in the range of 0 to 65535.

RTS is asserted before the data will be transmitted. Enter a value in the range of 0 to 65535.

the last byte of data is sent before the RTS modem signal will be set low. Enter a value in the range of 0 to 65535.

be used. If the parameter is set to 0, the CTS line will not be monitored. If the parameter is set to 1, the CTS line will be monitored and must be high before the module will send data. Normally, this parameter is required when half-duplex modems are used for communication (2-wire).

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Appendix C – Configuration Data Definition

5023 ENQ Delay This parameter specifies the number of milliseconds to wait

after a DLE-ACK is received from a slave using half-duplex mode before the DLE-ENQ request is made for data. Enter a value in the range of 0 to 65535.

5024 Command Count This parameter specifies the number of commands to be

processed for the port. Enter a value of 0 to 100.

5025 Minimum Command

Delay

This parameter specifies the number of milliseconds to wait between the initial issuance of a command. This parameter can be used to delay all commands sent to slaves to avoid "flooding" commands on the network. This parameter does not affect retries of a command as they will be issued when failure is recognized. Enter a value in the range of 0 to 65535.

5026 Command Error

Pointer

5027 Response Timeout This parameter represents the message response timeout

5028 Retry Count This parameter specifies the number of times a command will

5029 Error Delay Count This parameter specifies the number of polls to be skipped on

This parameter sets the address in the internal Modbus database where the command error data will be placed. If the value is set to -1, the data will not be transferred to the database. Enter a value of 0 to 4999.

period in 1-ms increments. This is the time that a port configured as a master will wait before re-transmitting a command if no response is received from the addressed slave. The value is set depending upon the communication network used and the expected response time of the slowest device on the network.

be retried if it fails. Enter a value in the range of 0 to 10.

the slave before trying to re-establish communications. After the slave fails to respond, the master will skip commands to be sent to the slave the number of times entered in this parameter. Enter a value in the range of 0 to 65535.

5030 Slave List Pointer This parameter specifies the starting address in the virtual

database where the 256 slave status values will be written. If the parameter is set to -1, the slave data will not be placed in the database. Enter a value in the range of -1 to 4743.

5031 Slave List Frequency This parameter specifies the number of program cycles to

delay before updating the slave list data in the virtual database. If the parameter is set to 0, the data will not be placed in the database. Enter a value in the range of 0 to

65535.

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Appendix C – Configuration Data Definition

5032 First File This parameter is used when a request for a file is received on

the communication port. This field is required when responding to PLC5 and SLC DF1 commands. Use this parameter to define the virtual file(s) to be simulated on the module. Enter a value in the range of 0 to 100.

5033 File Size This parameter is used to specify the size of each file to be

simulated on the module. All files simulated are defined to have the same assigned size. Enter a value in the range of 0 to 1000.

5034 File Offset This parameter sets the database register location of the first

element in the first file simulated in the module. All offsets in the first file and subsequent files will be computed using the address specified. Enter a value in the range of 0 to 4999.

5035 File Map Count This parameter specifies the number of specific emulated file

maps that are defined for the port. The range of this parameter is 0 to 50. This parameter limits the number of map file configuration read for the port.

5036 Spare

5037 Spare

5038 Spare

5039 Spare

Group Register Content Description

Port 2 Setup 5040 Enable This parameter is used to define if this port will be utilized. If

the parameter is set to 0, the port is disabled. A value of 1 will enable the port.

5041 Type This parameter defines if the port will emulate a master or

slave device. Enter 0 to emulate a master device and 1 to emulate a slave device.

5042 Local Station ID This parameter specifies the local station ID for all DF1

messages sent from this master port. A value of 255 is not permitted as this is the broadcast address. Enter a value in the range of 0 to 254.

5043 Protocol 0=full duplex, 1=half-duplex

5044 Termination Type This parameter specifies the error checking for all DF1

messages. 0=BCC, 1=CRC

5045 Baud Rate This is the baud rate to be used on the port. Enter the baud

rate as a value. For example, to select 19K baud, enter

19200.

5046 Parity This is the Parity code to be used for the port. The coded

values are as follows: 0=None, 1=Odd, 2=Even, 3=Mark and 4=Space.

5047 Data Bits This parameter sets the number of data bits for each word

used by the protocol. Enter a value in the range of 5 to 8.

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Appendix C – Configuration Data Definition

5048 Stop Bits This parameter sets the number of stop bits to be used with

each data value sent. Enter a value of 1 or 2.

5049 Minimum Response

Delay

5050 RTS On Delay This parameter sets the number of milliseconds to delay after

5051 RTS Off Delay This parameter sets the number of milliseconds to delay after

5052 Use CTS Line This parameter specifies if the CTS modem control line is to

RTS is asserted before the data will be transmitted. Enter a value in the range of 0 to 65535.

the last byte of data is sent before the RTS modem signal will be set low. Enter a value in the range of 0 to 65535.

5053 ENQ Delay This parameter specifies the number of milliseconds to wait

after a DLE-ACK is received from a slave using half-duplex mode before the DLE-ENQ request is made for data. Enter a value in the range of 0 to 65535.

5054 Command Count This parameter specifies the number of commands to be

processed for the port. Enter a value of 0 to 100.

5055 Minimum Command

Delay

5056 Command Error

Pointer

5057 Response Timeout This parameter represents the message response timeout

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Appendix C – Configuration Data Definition

5058 Retry Count This parameter specifies the number of times a command will

be retried if it fails. Enter a value in the range of 0 to 10.

5059 Error Delay Count This parameter specifies the number of polls to be skipped on

5060 Slave List Pointer This parameter specifies the starting address in the virtual

database where the 256 slave status values will be written. If the parameter is set to -1, the slave data will not be placed in the database. Enter a value in the range of -1 to 4743.

5061 Slave List Frequency This parameter specifies the number of program cycles to

delay before updating the slave list data in the virtual database. If the parameter is set to 0, the data will not be placed in the database. Enter a value in the range of 0 to

65535.

5062 First File This parameter is used when a request for a file is received on

5063 File Size This parameter is used to specify the size of each file to be

simulated on the module. All files simulated are defined to have the same assigned size. Enter a value in the range of 0 to 1000.

5064 File Offset This parameter sets the database register location of the first

element in the first file simulated in the module. All offsets in the first file and subsequent files will be computed using the address specified. Enter a value in the range of 0 to 4999.

5065 File Map Count This parameter specifies the number of specific emulated file

maps that are defined for the port. The range of this parameter is 0 to 50. This parameter limits the number of map file configuration read for the port.

5066 Spare

5067 Spare

5068 Spare

5069 Spare

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Appendix C – Configuration Data Definition

Group Register Content Description

Port 1 Commands

5212-5223 Command # 2 Command #2 data set

6388-6399 Command # 100 Command #100 data set

Group Register Content Description

Port 2 Commands

6412-6423 Command # 2 Command #2 data set

5200-5211 Command # 1 This set of registers contains the parameters for the first

command in the master command list. The structure of this data area is as described in the data object section of the documentation.

6400-6411 Command # 1 This set of registers contains the parameters for the first

command in the master command list. The structure of this data area is as described in the data object section of the documentation.

7588-7599 Command # 100 Command #100 data set

Group Register Content Description

Misc. Status 7600 Program Scan Count This value is incremented each time a complete program cycle

occurs in the module.

7601 Product Code These two registers contain the product code of

7602 "DFCM"

7603 Product Version These two registers contain the product version for

7604 the currently running software.

7605 Operating System These two registers contain the month and year values

7606 for the program operating system.

7607 Run Number These two registers contain the run number value for

7608 the currently running software.

7609 Port 1 Command List

Requests

7610 Port 1 Command List

Response

7611 Port 1 Command List

Errors

This field contains the number of requests made from this port to slave devices on the network.

This field contains the number of slave response messages received on the port.

This field contains the number of command errors processed on the port. These errors could be due to a bad response or command.

7612 Port 1 Requests This field contains the total number of messages sent out the

port.

7613 Port 1 Responses This field contains the total number of messages received on

the port.

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Appendix C – Configuration Data Definition

7614 Port 1 Errors Sent This field contains the total number of message errors sent out

the port.

7615 Port 1 Errors Received This field contains the total number of message errors

received on the port.

7616 Port 2 Command List

Requests

7617 Port 2 Command List

Response

7618 Port 2 Command List

Errors

7619 Port 2 Requests This field contains the total number of messages sent out the

7620 Port 2 Responses This field contains the total number of messages received on

7621 Port 2 Errors Sent This field contains the total number of message errors sent out

7622 Port 2 Errors Received This field contains the total number of message errors

7623 Read Block Count This field contains the total number of read blocks transferred

7624 Write Block Count This field contains the total number of write blocks transferred

7625 Parse Block Count This field contains the total number of blocks successfully

This field contains the number of requests made from this port to slave devices on the network.

This field contains the number of slave response messages received on the port.

This field contains the number of command errors processed on the port. These errors could be due to a bad response or command.

port.

the port.

received on the port.

from the module to the processor.

from the processor to the module.

parsed that were received from the processor.

7626 Command Event Block

Count

7627 Command Block Count This field contains the total number of command blocks

7628 Error Block Count This field contains the total number of block errors recognized

7629 Port 1 Current

Error/Index

7630 Port 1 Last Error/Index For a slave port, this field contains the value of the last error

7631 Port 2 Current

Error/Index

7632 Port 2 Last Error/Index For a slave port, this field contains the value of the last error

This field contains the total number of command event blocks received from the processor.

received from the processor.

by the module.

For a slave port, this field contains the value of the current error code returned. For a master port, this field contains the index of the currently executing command.

code returned. For a master port, this field contains the index of the command with an error.

For a slave port, this field contains the value of the current error code returned. For a master port, this field contains the index of the currently executing command.

code returned. For a master port, this field contains the index of the command with an error.

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Appendix C – Configuration Data Definition

Group Register Content Description

Command Control

7801 Command Data Reserved for future use

- -

7999 Command Data Reserved for future use

Group Register Content Description

Port 1 Override File Maps

8004-8007 File Map #2 This set of registers contains the second override file map for

8196-8199 Command # 50 This set of registers contains the last override file map for the

7800 Command Code Enter one of the valid control command codes in this register

to control the module (9997, 9998 or 9999). Refer to Appendix D for more information.

8000-8003 File Map #1 This set of registers contains the first override file map for the

slave port.

the slave port.

slave port.

Group Register Content Description

Port 2 Override File Maps

8204-8207 File Map #2 This set of registers contains the second override file map for

8396-8399 Command # 50 This set of registers contains the last override file map for the

8200-8203 File Map #1 This set of registers contains the first override file map for the

slave port.

the slave port.

slave port.

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Appendix D – DFCM Command Control

Command Control data is received from other nodes on the network that can control the MVI69-DFCM module. Specific values are written to regions of this block to control the module. Currently, the module is programmed to handle the receipt of the following requests: warm boot and cold boot.

The remote node controls the module by writing one of the following values to register 7800:

9998 Warm boot the module 9999 Cold boot the module

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Appendix E – Command List Error Values

Appendix E – Command Error List Values

COMMAND ERROR LIST VALUES

LOCAL STS ERROR CODES

0x0000 Success, no error

0x0100 DST node is out of buffer space

0x0200 Cannot guarantee delivery (Link Layer)

0x0300 Duplicate token holder detected

0x0400 Local port is disconnected

0x0500 Application layer timed out waiting for response

0x0600 Duplicate node detected

0x0700 Station is offline

0x0800 Hardware fault

REMOTE STS ERROR CODES

0x0000 Success, no error

0x1000 Illegal command or format

0x2000 Host has a problem and will not communicate

0x3000 Remote node host is missing, disconnected or shut down

0x4000 Host could not complete function due to hardware fault

0x5000 Addressing problem or memory protect rungs

0x6000 Function not allowed due to command protection selection

0x7000 Processor is in Program mode

0x8000 Compatibility mode file missing or communication zone problem

0x9000 Remote node cannot buffer command

0xA000 Wait ACK (1775-KA buffer full)

0xB000 Remote node problem due to download

0xC000 Wait ACK (1775-KA buffer full)

0xD000 Not used

0xE000 Not used

0xF0nn Error code in the EXT STS byte (nn contains EXT error code)

ERRORS WHEN ETX STS IS PRESENT

0xF000 Not used

0xF001 A field has an illegal value

0xF002 Less levels specified in address than minimum for any address

0xF003 More levels specified in address than system supports

0xF004 Symbol not found

0xF005 Symbol is of improper format

0xF006 Address does not point to something usable

0xF007 File is wrong size

0xF008 Cannot complete request

0xF009 Data or file is too large

0xF00A Transaction size plus word address is too large

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Appendix E – Command List Error Values

0xF00B Access denied, improper privilege

0xF00C Condition cannot be generated - resource is not available

0xF00D Condition already exists - resource is already available

0xF00E Command cannot be executed

0xF00F Histogram overflow

0xF010 No access

0xF011 Illegal data type

0xF012 Invalid parameter or invalid data

0xF013 Address reference exists to deleted area

0xF014 Command execution failure for unknown reason

0xF015 Data conversion error

0xF016 Scanner not able to communicate with 1771 rack adapter

0xF017 Type mismatch

0xF018 1171 module response was not valid

0xF019 Duplicate label

0xF01A File is open; another node owns it

0xF01B Another node is the program owner

0xF01C Reserved

0xF01D Reserved

0xF01E Data table element protection violation

0xF01F Temporary internal problem

MODULE SPECIFIC ERROR (NOT DF1 COMPLIANT)

0xFFFF CTS modem control line not set before transmit

0xFFFE Timeout while transmitting message

0xFFF6 Timeout waiting for DLE-ACK after request

0xFFF5 Timeout waiting for response after request

0xFFEC DLE-NAK received after request

0xFFEB DLE-NAK sent after response

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Appendix F – Uploading and Downloading the Cfg File

Appendix F - Uploading and Downloading the Configuration File

ProSoft modules are shipped with a pre-loaded configuration file. In order to edit this file, you must download the file from the module to your PC. After editing, you must upload the file back to the module.

This appendix describes these procedures.

Download a Configuration File to Your PC

1. Connect your PC to the Configuration/Debug port of the module and access the DF1 Master/Slave Communication Module Menu using HyperTerminal or similar program.

2. Press the confirm configuration send!” is displayed at the bottom of the screen.

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S key (Send Module Configuration). The message “Press Y key to

Appendix F – Uploading and Downloading the Cfg File

3. Press

4. From the Transfer menu, select Receive File.

Y. The screen now indicates that the module is ready to send.

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Appendix F – Uploading and Downloading the Cfg File

The Receive File dialog box appears:

5. Select the location on your PC where you want the configuration file downloaded to.

Note: ProSoft Technology suggests that you download the configuration file preloaded on your module. However, configuration files are also available on the ProSoft CD as well as the ProSoft Technology website.

6. Select Ymodem as the receiving protocol.

7. Press the Receive button.

The progress screen appears.

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Appendix F – Uploading and Downloading the Cfg File

When the configuration file is downloaded to your PC, the screen indicates that the download is complete.

The configuration file is now on your PC at the location you specified.

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Appendix F – Uploading and Downloading the Cfg File

You can now open and edit the file.

8. Once you are done editing the file. Save and close the file.

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Appendix F – Uploading and Downloading the Cfg File

Uploading the Configuration File to the Module

Perform the following steps to upload a configuration file from your PC to the module.

1. If not already connected, Connect your PC to the Configuration/Debug port of the module and access the DF1 Master/Slave Communication Module Menu using HyperTerminal or similar program.

2. Press the to confirm configuration receive!” is displayed at the bottom of the screen.

3. Press the

R key (Receive Module Configuration). The message “Press Y key

Y key. The screen indicates that the PC is ready to send.

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Appendix F – Uploading and Downloading the Cfg File

4. From the Transfer menu, select Send File.

The Send File dialog appears.

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Appendix F – Uploading and Downloading the Cfg File

5. Browse to the location where the configuration file resides on your PC.

Note: This procedure assumes that you are uploading a newly edited configuration file from your PC to the module. However, configuration files are also available on the ProSoft CD as well as the ProSoft Technology website.

6. Select the configuration file and click Open.

7. Select Ymodem as the protocol.

8. Click the Send button. The progress screen appears.

When the upload is complete, the screen indicates that the module has reloaded program values and displays information about the module.

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prosoft MVI69-DFCM User Guide

Specifications and Main Features

Frequently Asked Questions

User Manual

Product Specifications

Functional Overview

Module Configuration

Ladder Logic

Diagnostics and Troubleshooting

5.7.1.10 T or U = DF1 Override File Map List for Port 1 or Port 2

5.7.1.11 V = Version Information

5.7.1.12 W = Warm Boot Module

5.7.1.13 1 and 2 = Communication Status (Ports 1 and 2)

5.7.1.14 6 and 7 = Port Configuration (Ports 1 and 2)

5.7.1.15 Esc = Exit Program

Cable Connections

Appendix A – DFCM Database Definition

Appendix B – Status Data Definition

Appendix C – Configuration Data Definition

Appendix D – DFCM Command Control

Appendix E – Command Error List Values

Appendix F - Uploading and Downloading the Configuration File

Download a Configuration File to Your PC

Uploading the Configuration File to the Module