5
SRB 301/CL1
Operating instructions
Safety-monitoring module
EN
8.4 Actuator configuration
Single-channel control with feedback circuit (Fig. 7)
• 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.
Dual-channel control with feedback circuit (Fig. 8)
• 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
23
13
24
14
K
C
K
A
S
L1
N
K
A
K
C
X1
X2
23
13
24
14
K
B
K
C
K
D
K
A
K
B
L1
N
K
A
K
D
S
K
C
Fig. 7
Fig. 8
Differential control with feedback circuit (see Fig. 9)
• 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
23
13
24
14
K
A
L1
N
K
A
S
a)
Fig. 9
a) Enabling signal controller
