External Safety Relay Typical Application - Epson RC620 CU Manual

8.4.2 Example 2: External safety relay typical application
Emergency
Stop switch of
an Operation
Unit (TP)
Motor Driver
NOTE:+24V GND
+ 5V GND
RC620 Rev.8
Main Circuit
Control
+ −
+
AC Input
Emergency
Stop detection
Setup & Operation 8. EMERGENCY
Controller
+24V
+5V
Safety Door input 1
Safety Door input 2
Latch Release input
Latch release input
Fuse
9
10
22
23
1
2
14
15
3
16
External safety relay
(The above diagram
is simplified for
representation.)
* For the protection of the
emergency stop circuit,
the fuse's capacity
should be as follows:
- Meets the capacity of
the external safety
relay
- 0.4A or less
4
17
11
External
12
+24V
GND
24
External
25
+24V
7
8
20
21
18
19
External +24V
Close :Latch off
GND
Open :Latch on
External +24V
External
+24V
GND
External
+24V
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