AB Quality 2727-G7P20D1Q6 Manuale di avvio rapido - Pagina 9

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Connection Example with a Safety Control Relay
The diagram below shows suggested wiring for enabling switches using an
PILZ PST safety control relay to meet safety category 3. Refer to PILZ PST
documentation for additional information.
C ontrol cabinet
+2 4 V D C
F 2
4 A(t)
F 1
or
1 A
6 A(f)
F eedback
control loop
K A
K B
A1 (+)
X 1
X 2
1 3
K 1
P IL Z
P S T 1
K 2
A2 (-)
1 4
K A
GND
GND
1 2 3
Z T 1
L
1 2 3
Z T 2
L
D C /D C
converter
S 1 9 :
6
K 3 :
6
K 1 : 1
K 1 :
1
K 3 :
+2 4 V
X 1
X 2
K 4 :
+2 4 V
GND
F 3
F 4
4 A(t)
3 ,1 5 A
or
6 A(f)
2 3
S 1 1
S 1 2
2 4
S 2 3
S 2 4
K B
GND
MobileView
(2 enabling switches with 3
positions and 2 circuits each)
1 2 3
3 2 1 3 2 1
1 2 3
3 2 1 3 2 1
E valuation electronics
C ircuit 1
C ircuit 2
7
1
2
3
4
7
1
2
3
4
2
7
8
1 2
1 7
2
7
8
1 2
1 7
GND
E D 1 +
E D 1 -
E D 2 +
E D 2 -
GND
E D 1 +
E D 1 -
E D 2 +
E D 2 -
Note: All contacts of KA and KB must be force-guided!
MobileView Guard G750
Z T 1
R
Z T 2
R
Z T x
....... enabling switch x
y
y
Connection cable
MobileView
17-pin coinvers jack
Intermediate cable
MobileView
Terminal block socket K3
on connection box
Male connector X1 on
connection box
Connection box
Male connector X2 on
connection box
Terminal block socket K4 on
connection box
L 1
L 2
L 3
Enabling of
K A
dangerous
movement
K B
M
Publication 2727-QS002E-MU-P
9