7
SRB 308IT
Operating instructions
Safety-monitoring module
EN
8.4
Actuator coniguration
Single-channel control with feedback circuit (Fig. 19)
•
Suitable for increase in capacity or number of contacts by means
of contactors or relays with positive-guided contacts.
•
If the feedback circuit
is not required, establish a bridge.
•
S
= Feedback circuit:
if the feedback circuit is not required, establish a bridge.
Dual-channel control with feedback circuit (Fig. 20)
•
Suitable for increase in capacity or number of contacts by means
of contactors or relays with positive-guided contacts.
•
S
= Feedback circuit:
if the feedback circuit is not required, establish a bridge.
X1
X2
13
14
K
A
S
L1
N
K
A
X1
X2
13
14
K
A
S
L1
N
K
B
K
A
K
B
Fig. 19
Fig. 20