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Appendix G—Modbus Register Map
S811+ Soft Starter
MN03900001E—November 2012
65
Appendix G—Modbus Register Map
Register Map
Parameter
Data
Length
Modbus
Register
Number
Read/Write
Data
Type
Description
Motor Control Status
1
300
R
UINT8
bit
0
1
2
3
4
5
6
7
status
Running1
Running2
Permissive
Ramp2
LocalControlStatus
Faulted
Warning
In bypass
Active Faults & Warning List
(latest Fault)
2
301
R
UINT16
Latest Fault/Warning code
2
302
R
UINT16
2nd Latest Fault/Warning code
2
303
R
UINT16
3rd Latest Fault/Warning code
Motor Control Faults
2
304
R
UINT16
bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
fault
Phaseloss
Phase Imbalance
Thermal Pile
Overcurrent
Breaker Fault
GND Fault
Motor Stall
Motor Jam
OverTemp
UnderLoad
Reserved
Estop
Reserved
Reserved
Reserved
Other
Motor Control Warnings
2
305
R
UINT16
bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
warning
0 Phaseloss
Phase Imbalance
Thermal Pile
Overcurrent
Breaker Fault
GND Fault
Motor Stall
Motor Jam
OverTemp
UnderLoad
Overload Impending Trip
Reserved
Reserved
Reserved
Reserved
Other
Ave 3phase RMS AC Current as
a % of FLA
2
306
R
UINT8
0–255%; Percent of FLA setting
Thermal Pile Percentage
1
307
R
UINT8
0–255%; Thermal Pile % used (100% trip)