Example 2: External Safety Relay Typical Application - Epson RC420 Manual

5.5.2 Example 2: External safety relay typical application

Emergency
Stop
switches of
an operation
unit
Emergency
stop
detection
Dynamic
brake
control
RC420 Rev.9
Setup & Operation 5.5 Circuit Diagrams (EMERGENCY Connector)
Controller
Dynamic brake relay
of motor driver
Emergency
stop detection
Dynamic
brake
control
Emergency
stop detection
+24V
+24V
Safety Door input 1
Safety Door input 2
Latch release input
Safety Door latch release input
Close: latch off
Open: latch on
External +24V
9
Fuse *1
19
1
External
+24V
2 GND
11
12
External
3
+24V
13
5
External safety relay
(The above diagram
is simplified for
representation.)
*1 For the protection of
the emergency stop
circuit, the fuse's
capacity should be
as follows:
- Meets the capacity
of the external
safety relay.
- 1A or less.
6
4
External
14
+24V
GND
10
20 External
+24V
8
7
18
17
16
15
External
+24V GND
39