Siemens SINAMICS V20 Series - How to Connect and Configure a Run;Stop Switch; With Forward;Reverse Selection

Easy Start Guide
Page 11
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10. How to connect and configure a Run/Stop switch
with Forward/Reverse selection
The procedure described in Section 7 enable
Run/Stop operation via the red and green
buttons on the Inverter.
If this is unsuitable for the application, remote
switches can be used instead.
This section explains how to enable 2-wire
control with Run/Stop and Forward/Reverse
commands via separate selector switches.
10.1 Parameters to change for remote Run/Stop
10.2 Connecting the Switch
A wiring diagram is shown in the illustration
opposite. The 24V terminal is a common
connection for terminals DI1 and DI2. Note that
DIC and 0V must be linked (blue wire).
Two suitable 2 position NO (Normally Open)
switches should be installed: One between
terminals DI1 and 24V (Run/Stop) and the
other between terminals DI2 and 24V
(Forward/Reverse).
Note that the Forward/Reverse switch only
selects the direction of rotation - it will not start
or stop the motor.
If the application only requires the motor to turn
in one direction, the Forward/Reverse switch
can be omitted.
13 12
R
Switch, 2 Position
Normally Open
“Forward / Reverse”
Switch, 2 Position
Normally Open
“Run / Stop”
Siemens V20 Series Inverter
W DC- DC+
DI 1
DI 2
DI 3
DI 4
DI C
24V
0V
D0 1+
DO 1-
DO2
NC
DO2
NO
DO2
C
UV
10V
AI 1
AI 2
AO 1
0V
P+
N–
1
3
2
Parameter
Description
How to set
P0003
User access level
Set to to allow access to extended parameters.2
P0700
Selection of command source
Set value to for terminals as command source (select index first if prompted).2 in000
P0701
Function of digital input 1
Set value to for ON (select index first if prompted).1 in000
P0702
Function of digital input 2
Set value to for reverse selection (select index first if prompted).12 in000
P0727
Selection of 2/3-wire method
Set value to to enable 2-wire (fwd / rev) control (select index first if prompted).1 in000
[Order Codes 21725 and 21690 each]