5
SRB NA-R-C.15
Operating instructions
Safety-monitoring module
EN
8.3 Sensor configuration
Single-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.
• Possible control categories:
– 1 to EN 954-1
– 2 – PL d to DIN EN ISO 13849-1
Single-channel guard door monitoring circuit with interlocking
devices to EN 1088 (Fig. 6)
• At least one contact with positive break required.
• Wire breakage and earth leakage in the control circuits are detected.
• Possible control categories:
– 1 to EN 954-1
– 2 – PL d to DIN EN ISO 13849-1
C
U
B
(L+)
C
U
B
(L+)
Fig. 5
Fig. 6
Dual-channel emergency stop circuit with command devices to
DIN EN ISO 13850 (EN 418) and EN 60947-5-5 (Fig. 7)
• Wire breakage and earth leakage in the control circuits are detected.
• Cross-wire shorts between the control circuits are detected.
• Category 3 – PL d to DIN EN ISO 13849-1 possible.
Dual-channel guard door monitoring circuit with interlocking
device to EN 1088 (Fig. 8)
• At least one contact with positive break required.
• Wire breakage and earth leakage in the control circuits are detected.
• Cross-wire shorts between the control circuits are detected.
• Category 3 – PL d to DIN EN ISO 13849-1 possible.
C
U
B
(L+)
D
U
B
(L–)
C
U
B
(L+)
D
U
B
(L–)
Fig. 7
Fig. 8
8.4 Actuator configuration
Single-channel control (see Fig. 9)
• 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 and external reset in series
Dual-channel control with feedback circuit (Fig. 10)
• 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 and external reset in series
X1
X2
13
14
K
A
K
A
K
A
S
L1
N
X1
X2
13
14
K
B
K
A
K
B
K
A
K
B
L1
N
K
A
S
Fig. 9
Fig. 10
