2. Installation
RC520 Safety and Installation Rev.2
38
31B
Circuit Diagrams
Example 1: External emergency stop switch typical application
External
Emergency
Stop switches
Dynamic brake relay of
each motor driver module
+24V
+24V
Safety Door input 1
External
+24V
Safety Door input 2
Latch release input
9
Latch release input
Close: latch off
Open: latch on
Emergency
Stop detection
Dynamic
brake
control
Emergency Stop
switches of an
operation unit
External
+24V GND
19
1
2
11
12
3
13
5
6
4
14
10
20
8
7
18
17
16
15
Control Unit (MIB)
Drive Unit (DMB)
Emergency
Stop detection
Dynamic
brake
control
Emergency
Stop
detection
*1
*1: The part indicated with a broken line shows
the circuit for the four-axis Drive Unit.
For the six-axis Drive Unit, there are six
motor driver modules in the circuit.