Communicating with the PLC
6.2 MODBUS communication
SINAMICS V20 Inverter
112
Operating Instructions, 07/2012, A5E03728167
Parameter
Function
Setting
r2024[0]
...
r2031[0]
USS / MODBUS error statistics
The state of the telegram information on RS485 is reported
regardless of the protocol set in P2023.
r2018[0...7]
CO: PZD from USS / MODBUS on
RS485
Displays process data received via USS / MODBUS on
RS485.
P2019[0...7]
CI: PZD to USS / MODBUS on RS485
Displays process data transmitted via USS / MODBUS on
RS485.
Mapping table
The SINAMICS V20 inverter supports two sets of registers (40001 ... 40062, 40100 ...
40522) as the table below shows. "R", "W", "R/W" in the column Access stand for read, write,
read/write.
Register No.
Inverter
MODBUS
Description
Acce
ss
Unit Scaling
factor
Range or On/Off
text
Read
Write
0
40001
WDOG TIME
R/W ms
1
0 - 65535
-
-
1
40002
WDOG ACTION
R/W -
1
-
-
-
2
40003
FREQ REF
R/W %
100
0.00 - 100.00
HSW
HSW
3
40004
RUN ENABLE
R/W -
1
0 - 1
STW:3
STW:3
4
40005
CMD FWD REV
R/W -
1
0 - 1
STW:11 STW:11
5
40006
CMD START
R/W -
1
0 - 1
STW:0
STW:0
6
40007
FAULT ACK
R/W -
1
0 - 1
STW:7
STW:7
7
40008
PID SETP REF
R/W %
100
-200.0 - 200.0
P2240
P2240
8
40009
ENABLE PID
R/W -
1
0 - 1
r0055.8
(BICO) P2200
9
40010
CURRENT LMT
R/W %
10
10.0 - 400.0
P0640
P0640
10
40011
ACCEL TIME
R/W s
100
0.00 - 650.0
P1120
P1120
11
40012
DECEL TIME
R/W s
100
0.00 - 650.0
P1121
P1121
12
40013
(Reserved)
13
40014
DIGITAL OUT 1
R/W -
1
HIGH
LOW
r0747.0
(BICO) P0731
14
40015
DIGITAL OUT 2
R/W -
1
HIGH
LOW
r0747.1
(BICO) P0732
15
40016
REF FREQ
R/W Hz
100
1.00 - 599.00
P2000
P2000
16
40017
PID UP LMT
R/W %
100
-200.0 - 200.0
P2291
P2291
17
40018
PID LO LMT
R/W %
100
-200.0 - 200.0
P2292
P2292
18
40019
P GAIN
R/W -
1000
0.000 - 65.000
P2280
P2280
19
40020
I GAIN
R/W s
1
0 - 60
P2285
P2285
20
40021
D GAIN
R/W -
1
0 - 60
P2274
P2274
21
40022
FEEDBK GAIN
R/W %
100
0.00 - 500.00
P2269
P2269
22
40023
LOW PASS
R/W -
100
0.00 - 60.00
P2265
P2265
23
40024
FREQ OUTPUT
R
Hz
100
-327.68 - 327.67
r0024
r0024
24
40025
SPEED
R
RPM 1
-16250 - 16250
r0022
r0022
25
40026
CURRENT
R
A
100
0 - 163.83
r0027
r0027
26
40027
TORQUE
R
Nm 100
-325.00 - 325.00
r0031
r0031
27
40028
ACTUAL PWR
R
kW
100
0 - 327.67
r0032
r0032
28
40029
TOTAL KWH
R
kWh 1
0 - 32767
r0039
r0039
29
40030
DC BUS VOLTS
R
V
1
0 - 32767
r0026
r0026
Содержание SINAMICS V20 Series
Страница 4: ...Preface SINAMICS V20 Inverter 4 Operating Instructions 07 2012 A5E03728167 ...
Страница 12: ...Safety instructions SINAMICS V20 Inverter 12 Operating Instructions 07 2012 A5E03728167 ...
Страница 232: ...Parameter list 7 2 Parameter list SINAMICS V20 Inverter 232 Operating Instructions 07 2012 A5E03728167 ...
Страница 274: ...Index SINAMICS V20 Inverter 274 Operating Instructions 07 2012 A5E03728167 ...