SERIES 2000 COMMUNICATIONS MANUAL 1
M41 Issue 1.1
SERIES 2000 COMMUNICATIONS MANUAL.
CONTENTS.
1.0 GENERAL DESCRIPTION.
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1.1 Specification.
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1.1.1 2-Wire EIA-485 Mode (RS485)
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1.1.2 4-Wire EIA-422-A Mode (RS422)
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2.0 CONNECTIONS.
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2.1 General.
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2.2 2 Wire EIA-485 Mode (RS-485)
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2.3 4-Wire EIA-422-A (RS-422)
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2.4 Connection reference table
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2.5 Software Configuration.
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3.0 COMMUNICATIONS PROTOCOL
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3.1 Message construction
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3.1.1 Write messages
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3.1.2 Read messages
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3.1.3 Set instrument status messages
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3.2 Message header.
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3.3 Instrument address.
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3.3.1 Wildcard addresses
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3.4 Message parameter code.
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3.5 Segment number field (P2000 Only).
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3.6 Message data field
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3.7 Controller read/write parameter codes
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3.8 Programmer read/write parameter codes
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3.9 Controller Set status codes.
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3.10 Programmer Set status codes.
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3.11 Response from read or write
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3.12 Set status response
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3.13 Controller error responses
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3.13.1 Corrupt message response
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3.13.2 Syntax error response
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3.14 Data fields
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3.14.1 Data field type 1
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3.14.2 Data field type 2.
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3.14.3 Data field type 3
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3.14.4 Data field type 4 (P2000 Only)
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3.14.5 Data field type 5 (P2000 Only)
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3.14.6 Data field type 6 (P2000 Only)
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3.15 Coded data fields.
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3.15.1 Alarm type codes.
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3.15.2 Setpoint type codes.
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3.15.3 Ratio limit reference type codes.
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3.15.4 Hold type codes (P2000 Only)
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APPENDIX A - BASIC COMMUNICATIONS PROGRAM
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