Appendix B: Internal Modbus Registers - ABB SREA-01 User Manual

Appendix B: Internal Modbus registers

Holding Name
register
1 Digital input 1 status
2 Digital input 2 status
3 Number Active Connections
MB/TCP
4 Number Active Internal
Connections
Serial Status (Modbus/TCP)
5 Valid responses
6 Serial timeouts
7 CRC errors
8 Input Buffer overruns
9 Frame errors
10 Exception responses
Serial Status (Buffered
messages)
11 Valid responses
12 Serial timeouts
13 CRC errors
14 Input Buffer overruns
15 Frame errors
16 Exception responses
Serial Status (Internal
requests and Web pages)
17 Valid responses
18 Serial timeouts
19 CRC errors
20 Input Buffer overruns
21 Frame errors
22 Exception responses
Configuration Registers
23 Modbus/TCP Port
24 Gateway Modbus address
25 Modbus/TCP idle timeout
26 Baudrate
Values Options
0 or 1
0 or 1
0...10
0...10
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
0...65535
(-1)...255
-1 Disabled
0...255 Enabled
0...65535
(seconds)
0 Disabled
1...65525 Enabled
Access Comment
Read only
Read only
Read only
Read only
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Can be cleared
Read-write Default port number is 502
Read-write
Default
Read-write Default 60 seconds
Read-write
Appendix B: Internal Modbus registers
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