5
SRB301STV.2 /CCV.2 /PCV.2
SRB301STV.3 /CCV.3 /PCV.3
Operating instructions
Safety-monitoring module
EN
7. Disassembly and disposal
7.1 Disassembly
The safety-monitoring module must be disassembled in a de-energised
condition only.
Push up the bottom of the enclosure and hang out slightly tilted
forwards.
7.2 Disposal
The safety-monitoring module must be disposed of in an appropriate
manner in accordance with the national prescriptions and legislations.
8. Appendix
8.1 Wiring examples
Dual-channel control, shown for a guard door monitor with two
position switches where one has a positive break contact; with
external reset button
J
(Fig. 4)
• Relay outputs: Suitable for 2-channel control, for increase in ca
-
pacity or number of contacts by means of contactors or relays with
positive-guided contacts.
• The control system recognises wire-breakage, earth faults and
cross-wire shorts in the monitoring circuit.
•
S
= Feedback circuit
SRB301STV.2 /CCV.2 /PCV.2
A1
S11
S12
S21 S22
X3
X2
13
23
33
41
42
34
24
14
N
K
A
K
B
L1
K
A
K
B
J
S
F1
Ui
U
B
a)
nQS
QS
A2
K1
K2
K1
K2
SRB301STV.3 /CCV.3 /PCV.3
A1
S11
S12
S21 S22
X3
X2
13
23
33
41
42
34
24
14
N
K
A
K
B
L1
K
A
K
B
J
S
F1
Ui
U
B
a)
nQS
QS
A2
K1
K2
K1
K2
Fig. 4 a) Logic
8.2 Start configuration
External reset button (monitored start) (see Fig. 5)
• The external reset button is integrated in the feedback circuit in series.
• The safety-monitoring module is activated by the reset (after release)
of the reset button (= detection of the trailing edge). Faults in the reset
button, e.g. welded contacts or manipulations which could lead to an
inadvertent restart, are detected in this configuration and will result in
an inhibition of the operation.
Automatic start (see Fig. 6)
• The automatic start is programmed by connecting the feedback circuit
to the terminals S12-X3. If the feedback circuit is not required, estab-
lish a bridge.
• Caution: Not admitted without additional measure due to the risk of
gaining access by stepping behind!
• When the SRB301ST safety-monitoring module is used with the oper
-
ating mode "Automatic start", an automatic restart after a shutdown in
case of emergency must be prevented by the upstream control to
EN 60204-1 paragraph 9.2.5.4.2.
X2
S12
K
A
J
K
B
X3
S12
K
A
K
B
Fig. 5
Fig. 6
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. 7)
• Wire breakage and earth leakage in the control circuits are detected.
• Category 1 – PL c to DIN EN ISO 13849-1 possible.
Dual-channel emergency stop circuit with command devices to
DIN EN ISO 13850 (EN 418) and EN 60947-5-5 (Fig. 8)
• Wire breakage and earth leakage in the control circuits are detected.
• Cross-wire shorts between the control circuits are not detected.
• Control category 4 – PL e to DIN EN ISO 13849-1 possible
(with protective wiring)
Dual-channel emergency stop circuit with command devices to
DIN EN ISO 13850 (EN 418) and EN 60947-5-5 (Fig. 9)
• 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
S12
nQS
QS
S12
S11
S22
S21
nQS
QS
S12
S11
S22
S21
nQS
QS
Fig. 7
Fig. 8
Fig. 9
