Siemens SINAMICS G120P - Page 136

Communication via RS485
5.4 Communication using Modbus RTU
Fieldbuses
134 Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
Table 5- 13 Assigning the Modbus register to the parameters - inverter data
Register
Description
Ac-
cess
Unit
Scaling
ON-/OFF
text/value range
Data / parameter
40300
Powerstack number
R
--
1
0 … 32767
r0200
40301 Inverter firmware R -- 1 z. B. 470 r0018 / 10000
40320
Rated power
R
kW
100
0 … 327.67
r0206
40321
Current limit
R/W
A
10
10.0 … 400.0
p0640
40322
Ramp-up time
R/W
s
100
0.00 … 650.0
p1120
40323
Ramp-down time
R/W
s
100
0.00 … 650.0
p1121
40324
Reference speed
R/W
RPM
1
6 … 32767
p2000
Inverter diagnostics
40340
Speed setpoint
R
RPM
1
-16250 … 16250
r0020
40341
Actual speed value
R
RPM
1
-16250 … 16250
r0022
40342
Output frequency
R
Hz
100
- 327.68 … 327.67
r0024
40343
Output voltage
R
V
1
0 … 32767
r0025
40344
DC-link voltage
R
V
1
0 … 32767
r0026
40345
Current actual value
R
A
100
0 … 163.83
r0027
40346
Actual torque value
R
Nm
100
- 325.00 … 325.00
r0031
40347
Actual active power
R
kW
100
0 … 327.67
r0032
40348
Energy consumption
R
kWh
1
0 … 32767
r0039
40349
Control priority
R
--
1
HAND
AUTO
r0807
Table 5- 14 Assigning the Modbus register to the parameters - fault diagnostics
Register
Description
Ac-
cess
Unit
Scaling
ON-/OFF
text/value range
Data / parameter
40400
Failure number, index 0
R
--
1
0 … 32767
r0947 [0]
40401
Failure number, index 1
R
--
1
0 … 32767
r0947 [1]
40402
Failure number, index 2
R
--
1
0 … 32767
r0947 [2]
40403
Fault number, index 3
R
--
1
0 … 32767
r0947 [3]
40404 Fault number, index 4 R -- 1 0 … 32767 r0947 [4]
40405
Fault number, index 5
R
--
1
0 … 32767
r0947 [5]
40406 Fault number, index 6 R -- 1 0 … 32767 r0947 [6]
40407
Fault number, index 7
R
--
1
0 … 32767
r0947 [7]
40408
Alarm number
R
--
1
0 … 32767
r2110 [0]
40409
Actual alarm code
R
--
1
0 … 32767
r2132
40499
PRM ERROR code
R
--
1
0 … 255
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