Rockwell-automation 57C442 Data Highway Plus Interface Module Manual de usuario

Instruction Manual J2-3067-5Data Highway PlusInterface Module(M/N 57C442)

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2-12.0 MECHANICAL/ELECTRICAL DESCRIPTION This section describes the mechanical and electrical characteristics of the Data Highway Plus Interface modul

2-2Figure 2.2 – Data Highway Plus Interface Module Faceplate

2-32.2 Electrical Description The Data Highway Plus Interface module contains an 8 MHz microprocessor that shares 32K of dual port memory with the Aut

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3-13.0 INSTALLATION This section provides instructions on how to install the Data Highway Plus Interface module. 3.1 Wiring To reduce the possibility

3-2Step 3. Take the module out of its shipping container. Take it out of the anti-static bag, being careful not to touch the connectors on the back of

3-33.3 Module Replacement Use the following procedure to replace the Data Highway Plus Interface module: Step 1. Stop any application tasks that may b

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4-14.0 PROGRAMMING The Data Highway Plus network is a token-passing network, which means that any device on the network can initiate communication wi

©1997 Rockwell International CorporationCopyright Rockwell International 2001.The information in this user’s manual is subject to change without notic

4-24.1.1 Status and Control Registers The status and control registers are described in figure 4.2. Registers 4-31 are read-write registers from the h

4-34.1.2 Data Registers The data image in the dual port memory appears as a subset of the PLC-5 data table. The equivalent AutoMax and Modicon registe

4-4Read/Write Integer file N8 Read/WriteData Highway Plusaddresses N8:0 - N8:999 AutoMax Registers 5384-6383 Read/Write Integer file N9 Read/WriteData

4-5Mapping is handled transparently by the Data Highway Plus Interface module software. For example, if another node writes to this node at address N7

4-6Register 4352 is a Read/Write register from Multibus. To transmit global data, you must set bit 8 in the Data Highway Plus options register (regist

4-7The format for the IODEF statement (used only in V2.1 and earlier) is as follows: nnnn lODEF variable name [SLOT=slot number, &REGISTER=regist

4-84.2.2 Application Programming Read and write commands from the Data Highway Plus Interface module are initiated from a BASIC application task by ex

4-9Multiple tasks can access the module. Note, however, that if more than four tasks try to initiate messages at the same time, error code “22” will b

4-10The application task could contain the following statements: 10 OPTIONS% = 256 \! enable global data, baud rate = &57.6 Kbaud, transmit

4-113, 4, and 5, only logical addresses represented as ASCII strings are supported. Command 3, Word Range Read, transfers a block of data from the tar

ITable of Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11.1 Additional Information .

4-12For the commands shown in figure 4.6, both logical binary and logical ASCII addresses are supported. The Diagnostic Read command returns the value

4-134.2.6 Off-link Routing Paths This section describes using a Data Highway network as a bridge to link two Data Highway Plus networks using A-B 1785

4-1405 REM The variables that follow define & parameters for the & GATEWAY CMD OK@ function10 COMMON B3BASE%\! Represents the physical addre

4-15Byte 5 in the routing path (DNDE_LO) is determined as follows: The station address of the remote bridge is 240 octal (10100000). The station addre

4-16The Destination and Source Link ID’s and Node Addresses come from the network configuration. The values for LSAP, Network Control Byte, Lifetime a

4-17Example 1: Command 3, Word Range Read In the example below, the Data Highway Plus Interface module is reading 100 words from file N7:0 in the PLC

4-18Example 3: Command 5, Read-Modify-Write In the example below, the Data Highway Plus Interface module writes to three addresses in a PLC, N7:0, N7:

4-19Example 5: Command 2, Unprotected Write In the example below, the Data Highway Plus Interface module is writing 100 words from the local N7 file t

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5-15.0 DIAGNOSTICS AND TROUBLESHOOTINGThis section describes how to troubleshoot the Data Highway Plus Interface module. See Appendix D for a list of

IIAppendices Appendix A Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1Appendix B Module Block Diagram . .

5-25.3.2 Remote Station and Link Failure When the Data Highway Plus Interface module is not initiating messages, but is simply responding to unsolicit

A-1Appendix A Technical Specifications Ambient Conditions• Storage Temperature: -40o C to 85o C • Operating Temperature: 0o C to 60o C • Humidity: 5%

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B-1Appendix B Module Block Diagram

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C-1Appendix C Network Connector Pin Assignments This appendix assumes the network cable system has been installed using the appropriate A-B Data Highw

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D-1Appendix D Data Highway Plus Interface Module 7-Segment LED Error Codes The following error codes may be displayed on the 7-segment display. .0 EPR

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E-1Appendix E GATEWAY _CMD_OK@ Status CodesThe following codes are written to the variable defined as the “status” parameter in the GATEWAY _CMD_OK@ f

IIIList of Figures Figure 1.1 Connecting the AutoMax System to theData Highway Plus Network. . . . . . . . . . . . . . . . . . . . . 1-1Figure 2.1

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F-1Appendix F Mapping of Active Station List The following table shows the mapping between active station addresses and the status reported in registe

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G-1Appendix G Register Map for Diagnostic Counters This area contains statistics for the network as a whole and also for this station. These values ar

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H-1Appendix H Extended Status (EXT STS) Codes for Command 0F If the value in the upper byte of the GATEWAY_CMD_OK@ “status” parameter variable is 3F,

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I-1Appendix I Converting A-B Register Numbers to AutoMax Register and Bit Numbers for Monitoring The A-B registers in the dual port memory of the Data

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J-1Appendix J Recommendations For Reducing Noise On The Cable System We recommend that all drive systems using 57C442 Data Highway PlusInterface Modul

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For additional information1 Allen-Bradley DriveMayfield Heights, Ohio 44124 USATel: (800) 241-2886 or (440) 646-3599http://www.reliance.com/automaxCop

1-11.0 INTRODUCTION The products described in this manual are manufactured or distributed by RelianceElectric Industrial Company. The Data Highway Plu

1-2Each AutoMax Processor has access to the look-alike PLC-5 or SLC registers through the AutoMax rack backplane. The Data Highway Plus Interface mo

1-31.2 Related Hardware and Software M/N 57C442 contains one Data Highway Plus Interface module. The module can be used with the following hardware an