Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 338)

Section 6
Emergency STOP Design
6-2
Connect the emergency stop circuit to the pluggable E-Stop connector on
as illustrated in Figure 6.1.
Figure 6.1
E-Stop Component Connection
E-Stop
reset
button E-Stop
button
1 E-Stop
4
5
6
7
Customer
E-Stop
string
E-Stop status
relay contact
connection
On MTB
panel
2 Common
3 Reset
Pluggable E-Stop Connector (TB1 )
E-Stop
status
relay
CR
CR
+
customer supplied fuse
(size to protect K1b contact
and your E-Stop status relay)
8 If your control has, terminal 8, then
connect it to chassis ground. If terminal
8 is not present on your control, then this
type of grounding is not necessary.
Figure 6.2 shows a typical emergency stop circuit. This varies depending
on machine tool configuration, and the devices implemented by the system
installer.
6.1
E-Stop Connections