Modbus Exception Responses; Operating Mode; Operating Mode Modbus Coils - ABB SM3000 User Manual

SM3000
Multipoint Videographic Recorder
B.3.2 Modbus Exception Responses
If the instrument detects one of the errors listed in Table B.1
while receiving a message from the host system, it replies with a
response message consisting of the instrument's Modbus
address, the function code, the error code and error check
fields.
Code Name
01 Illegal Function
02 Illegal Data Address
03 Illegal Data Value
Negative
07
Acknowledgment
08 Memory Parity Error
Table B.1 Modbus Exception Responses
132
Definition
The message function received is
not an allowable action
The address reference in the data
field is not an allowable address
The value referenced in the data
field is not allowable in the
addressed slave
Received message error
Parity check indicates an error in
one or more of the characters
received
B.4 Operating Mode
B.4.1 Operating Mode Modbus Coils
Tables B.2 to B.17 detail the contents of each Modbus coil.
Each coil is assigned a register that can have one of two values:
0000 or 0001.
Modbus Coil
Analog (Read Only)
Input 0 = Input OK
1 = Input failed
A1 0001
A2 0002
A3 0003
A4 0004
A5 0005
A6 0006
B1 0007
B2 0008
B3 0009
B4 0010
B5 0011
B6 0012
C1 0013
C2 0014
C3 0015
C4 0016
C5 0017
C6 0018
Table B.2 Analog Input Fail States
Appendix B – Modbus Guide
Modbus Coil
Analog (Read Only)
Input 0 = Input OK
1 = Input failed
D1 0019
D2 0020
D3 0021
D4 0022
D5 0023
D6 0024
E1 0025
E2 0026
E3 0027
E4 0028
E5 0029
E6 0030
F1 0031
F2 0032
F3 0033
F4 0034
F5 0035
F6 0036
IM/SM3000–EN Rev. L