Descriptions of functions
10.8 Communication via Modbus TCP
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
541
Table 10- 47 Assigning the Modbus register to the parameters – Process data
Register Description
Access Unit
Scaling
ON/OFF text
or Value range
Data / parameter
Control data
40100
Control word (see SINAMICS DCM List
Manual, function block diagram 2442)
R/W
-
1
-
Process data 1
40101
Main setpoint
R/W
-
1
-
Process data 2
40102
STW 3
R/W
-
1
-
Process data 3
40103
STW 4
R/W
-
1
-
Process data 4
40104
PZD 5
R/W
-
1
-
Process data 5
40105
PZD 6
R/W
-
1
-
Process data 6
40106
PZD 7
R/W
-
1
-
Process data 7
40107
PZD 8
R/W
-
1
-
Process data 8
40108
PZD 9
R/W
-
1
-
Process data 9
40109
PZD 10
R/W
-
1
-
Process data 10
Status data
40110
Control word (see SINAMICS DCM List
Manual, function block diagram 2452)
R
-
1
-
Process data 1
40111
Main actual value
R
-
1
-
Process data 2
40112
ZSW 3
R
-
1
-
Process data 3
40113
ZSW 4
R
-
1
-
Process data 4
40114
PZD 5
R
-
1
-
Process data 5
40115
PZD 6
R
-
1
-
Process data 6
40116
PZD 7
R
-
1
-
Process data 7
40117
PZD 8
R
-
1
-
Process data 8
40118
PZD 9
R
-
1
-
Process data 9
40119
PZD 10
R
-
1
-
Process data 10
Table 10- 48 Assigning the Modbus register to the parameters – Parameter data
Register Description
Access Unit Scaling
ON/OFF text
or Value range
Data / parameter
Drive identification
40300
Actual power unit code number
R
-
1
0 … 65535
r0200
40301
Control Unit firmware
R
-
1
0 … 65535
r50060
Drive data
40322
Ramp-up time
R/W
s
100
10.00 … 655.35
p50303
40323
Ramp-down time
R/W
s
100
10,00 … 655.35
p50304
40324
Reference speed
R/W
RPM 1
6 … 65535
p2000