8 wiring the emergency stop circuit, 1 cutting off the drive signal (standard) – IAI America ACON-CY User Manual
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3. Installation and W
iring
3.8
Wiring the Emergency Stop Circuit
3.8.1
Cutting off the Drive Signal (Standard)
The example below shows an emergency stop circuit for the entire system that urgently stops multiple controllers.
Note that the entire system cannot be stopped urgently even if emergency stop is applied from the teaching
pendant.
EMG signal
detection (H)
Time
constant
Drive stop signal (L)
Motor
drive
circuit
External EMG
reset switch
External EMG circuit
Connection detection
circuit
Motor
power
supply
Controller
power
supply
Controller 2
Controller n
Under normal
circumstances, it
is jumpered. If the
safety category
requires shutting
down motor
driving source,
use the following
circuit (the same
timing as EMG).
The brake is turned
on/off automatically
by turning on/off of
the servo. To
release the brake
manually, close the
brake release
switch.
* The brake release
switch shall be
prepared by the
customer.
(Switch)
24 VDC
Contact capacity
0.2 A or higher
Brake release
switch
EMG switch of
teaching pendant