rotork Modbus - Data Accessed with Function Code 03 - Read Holding Registers

Modbus MFU Option Card Installation Manual
46 of 64 Publication PUB091-004-00_0918
7.6.3 Data Accessed with Function Code 03 - Read Holding Registers
The accessible registers that can be read with this function code also include the Input registers.
Location
(Reg/Bit)
R/W
Data
Range
0
0
RO
Actuator moving
0 - 1
0
1
RO
Closed position limit
0 - 1
0
2
RO
Open position limit
0 - 1
0
3
RO
Running closed
0 - 1
0
4
RO
Running open
0 - 1
0
5
RO
Remote selected
0 - 1
0
6
RO
Local Stop selected (offline)
0 - 1
0
7
RO
Local selected
0 - 1
0
8
RO
Thermostat tripped
0 - 1
0
9
RO
Monitor relay
0 - 1
0
10
RO
Valve obstructed
0 - 1
0
11
RO
Valve jammed
0 - 1
0
12
RO
Valve moving by hand
0 - 1
0
13
RO
Moving inhibited by MIT
0 - 1
0
14
RO
Position control enabled
0 - 1
0
15
RO
EEPROM Checksum failure
0 - 1
1
0
RO
Battery low
0 - 1
1
1
RO
Open interlock active
0 - 1
1
2
RO
Close interlock active
0 - 1
1
3
RO
DI-1
0 - 1
1
4
RO
DI-2
0 - 1
1
5
RO
DI-3
0 - 1
1
6
RO
DI-4
0 - 1
1
7
RO
Reserved
0
1
8
RO
Reserved
0
1
9
RO
Reserved
0
1
10
RO
Control contention
0 - 1
1
11
RO
Partial stroke test in progress
0 - 1
1
12
RO
Partial stroke test error
0 - 1
1
13
RO
General alarm*
0 - 1
1
14
RO
Reserved
0
1
15
RO
Reserved
0
2
-
RO
Actuator Instantaneous Torque
0 - 78 hex
(0 - 120%)
3
-
RO
Valve Position
0 - 3E8 hex
(0.0 - 100.0%)
4
-
RO
Analogue Input (IQ3 range set by Insight 2
only. Analogue signal type: 5,10, 20 V or mA)
0 - 3E8 hex
(0.0 - 100.0%)