3-45
Emergency stop input/output
3 Controller
3.6 Emergency stop input/output
This signal is input from the "emergency stop input" terminal in the controller.
Table 3-3 : Dedicated input terminals in controller
3.6.1 Connection of the external emergency stop
The external emergency stop input and door switch input are short-circuited with a short cable at shipment as
shown in
Fig. 3-5.
Connect the external emergency stop switch and door switch with the following procedure.
1) Prepare the "emergency stop switch" and "door switch".
2) Remove the two short pieces 1 and 2.
3) Securely connect the external emergency stop's contacts across "1)-2), and the door switch's contacts
across 3)-4)" on the terminal block.
Fig.3-5 : Connection of the external emergency stop
[Note] Refer to Page 98, "6.1.7 Examples of safety measures" together, and carry out wiring to the emergency stop.
Class Name Details
Input Emergency stop Applies the emergency stop (Single emergency line.)
Input Door switch The servo turns OFF.
Output Emergency stop This output indicates that the emergency stop input or the door switch input is turned on.
RA1
RA2
RA3
RG (24G)
RG (24G)
24V
24V
EMG.
STOP
DOOR
Switch
1
2
3
4
5
6
RA5
1
2
3
4
5
6
1)
2)
3)
4)
5)
6)
Short piece 1
Short piece 2
Emergency stop input
Door switch input
Emergency stop output
Composition of external emergency stop and door switch
System emergency
stop line
(Prepared by customer)
Example of wiring for external emergency stop and door switch
(customer-prepared wiring)
Controller rear side
Terminal block array of
external emergency stop
Wire insert
Wire fixing screw
Note1)
Maker:Phoenix Contact
Type:FRONT-MSTB2.5/6-ST-5.08
(Customer-prepared wiring)
(Controller side)
Note 1)
Emergency stop output opens when either one of the
emergency stop switches shown below or an input signal turns on.
・
Emergency stop switch of the controller.
・Emergency stop switch or deadman switch of the T/B (option).
・
External emergency stop input.
・
External door input.
・The T/B mount/dismount switch is OFF
when the T/B is unconnected.