Modbus MFU Option Card Installation Manual
12.4.3 Data Locations
Note:
All data locations listed start from 0, it may be necessary to add an offset to match the
number required for the PLC.
Read Output Status – Function code 01
Write Output Coil – Function code 05 and 15
Location
R/W
(Bit)
0
R/W
1
R/W
2
R/W
3
R/W
4
R/W
5
R/W
6
R/W
7
R/W
Read Input Status – Function code 02
Location
R/W
(Bit)
0
RO
1
RO
2
RO
3
RO
4
RO
5
RO
6
RO
7
RO
8
RO
9
RO
10
RO
11
RO
12
RO
13
RO
14
RO
15
RO
16
RO
17
RO
18
RO
19
RO
20
RO
21
RO
22
RO
23
RO
Note:
– The 'S' contacts are no longer monitored by the hardware
72 of 76
Data
Stop command output coil status
Close command output coil status
Open command output coil status
ESD command output coil status
DO-1 output coil status
DO-2 output coil status
DO-3 output coil status
DO-4 output coil status
Data
Actuator moving
Closed limit
Open limit
Thermostat Tripped
Monitor Relay
Local selected
Remote selected
Battery Low
Running Closed
Running Open
Interrupter Timer
MIT Active
Open Interlock input
Close Interlock input
Position control enabled
Error
S1
S2
S3
S4
DI –3
DI –2
DI –1
DI –4
Publication PUB091-003-00_0119
Range
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
Range
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0-1
0
0
0
0
0-1
0-1
0-1
0-1
Need help?
Do you have a question about the Modbus IQ Pro and is the answer not in the manual?
Questions and answers