Siemens SINAMICS V20 Series User Manual

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

Siemens SINAMICS V20 Series Specifications

General

Brand	Siemens
Model	SINAMICS V20 Series
Category	DC Drives
Language	English