
5
SRB 301SQ-230V
Operating instructions
Safety-monitoring module
EN
8.3 Sensor configuration
Dual-channel emergency stop circuit with command devices to
DIN EN ISO 13850 (EN 418) and EN 60947-5-5 (Fig. 5)
• Wire breakage and earth leakage in the control circuits are detected.
• Cross-wire shorts between the control circuits are detected.
• Category 4 – PL e to DIN EN ISO 13849-1 possible.
Dual-channel guard door monitoring circuit with interlocking
device to EN 1088 (Fig. 6)
• With at least one positive-break position switch
• Wire breakage and earth leakage in the control circuits are detected.
• Cross-wire shorts between the control circuits are detected.
• Category 4 – PL e to DIN EN ISO 13849-1 possible.
S12
S11
S22
S21
S12
S11
S22
S21
Fig. 5
Fig. 6
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.
S12
X3
23
13
24
14
K
C
K
A
S
L1
N
K
A
K
C
S12
X3
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.
S12
X3
23
13
24
14
K
A
L1
N
K
A
S
a)
Fig. 9 a) Enabling signal controller