3-52
Emergency stop input/output
3Controller
3.6 Emergency stop input/output
Input from the "emergency stop input" terminal, which is located inside the CR3-535M controller, or on the rear
of the CR2B-572 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
.
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.
[Caution] When wiring the emergency stop switch (duble emergency line type), wire both contacts to the two ter
-
minal blocks on the controller. If both contacts are wired to only one of the terminal blocks, errors can
-
not be cancelled using the door switch.
Fig.3-10 ： Connection of the external emergency stop (CR3-535M controller)
Class
Name
Details
Input
Emergency stop
Applies the emergency stop (Dual emergency line.)
Input
Door switch
The servo turns OFF.
Output
Emergency stop
This output indicates that the emergency stop is being input.
24V
STOP SWITCH
6
EXTEMG1
Relay
GND (24G)
EXTEMG2
5
4
3
2
1
6
5
4
3
2
1
EMG. DOOR
24V
Relay
GND (24G)
RA
RA
×
×
×
×
×
×
×
×
×
×
×
EXTEMG1
Wire insert
Wire fixing screw
6
5
4
3
2
1
EXTEMG2
×
AWG#24 to #12
(0.2 to 2.5mm
2
)
Maker:Phoenix Contact
Type:FRONT-MSTB2.5/6-ST-5.08
EXTEMG connector
(Same for both left and right outputs)
Control unit
Example of wiring for
external emergency stop and door switch
(customer-prepared wiring)
Warning
Do not check the voltage which withstand insulation.
And, failure will be caused if it connects incorrectly.
System emergency
stop line
(Prepared
by cusotmer)
System emergency
stop line
(Prepared
by cusotmer)
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 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.
RA1
RA2
1
2
3
4
5
6
RA11
24V
1
2
3
4
5
6
RA21
RG (24G)
24V
Short piece 1
Short piece 2
EXTEMG1
EXTEMG2
Short piece 1
Short piece 2
External emergency stop input
RA31:Emergency stop output
Note1)
Internal circuit composition of
external emergency stop and door switch
External
door switch input
External emergency stop input
External
door switch input
RA3:Emergency stop output
Note1)
(Customer-prepared wiring) (Controller side)
