Siemens SIMOCODE pro

Mounting, wiring, interfaces
SIMOCODE pro
GWA 4NEB 631 6050-22 DS 03
13-13
Supplying the inputs of the basic unit
There are three possibilities for supplying the inputs:
• a): 24 V DC internal
• b): 24 V DC external However, input 3 is the reference potential, i.e.
three inputs are available.
• c): 24 V DC external Only possible for basic units with a supply voltage of
24 V DC!
Fig. 13-9: 24 V DC for supplying the inputs
All inputs work reactionless, i.e. the signal statuses on neighboring inputs
do not influence each other.
Basic unit (BU)
BU Inputs
1
2
3
4
IN1
IN2
IN3
IN4
24 V DC internal, 4 inputs usable
Basic unit (BU)
BU Inputs
1
2
3
4
IN1
IN2
IN3
IN4
24 V DC external, 3 inputs usable
Basic unit (BU)
BU Inputs
1
2
3
4
IN1
IN2
IN3
IN4
24 V DC external, 4 inputs usable
A1
A2
a) b) c)
Only possible for the basic unit with 24 V DC
supply voltage!
24 V DC
(not usable)