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Installation and wiring
2-21
10. Configuring an emergency stop circuit TS-X TS-P
The EXT connector provides functions for configuring safety circuits, including the robot.
The following shows the EXT connector wiring and an example of connection with the host controller.
10.1 EXT connector signal names and functions
The following explains the EXT connector signal names and functions.
The EXT connector contains the robot's external safety circuit signals used for safe stops, and for the brake
power supply terminal on robots equipped with brakes.
Signal List
n
1
2
3
4
5
6
7
8
EXT connector
Pin No.
Signal Name
Description
1
+24V
Power input for mechanical brake
(TS-X only)
2
0V
3
ES+
Internal power for emergency stop input
4
ES1
Emergency stop contact 1
5
ES2
Emergency stop contact 2
6
ES-
Emergency stop READY signal
7
MPRDY1
"Main power input READY" output contact
8
MPRDY2
23211-M1-00
Signal Details
n
• Power input for mechanical brake (+24V, 0V)
This input supplies power for the mechanical brake.
Signal Name
Description
Type
+24V
0V
Power input for mechanical brake
Input
Explanation
When using a brake-equipped robot, this terminal serves as the 24VDC input to power the brake. If the robot has no
brake, this terminal connection is not required.
Brake power supply: 24VDC ± 10% 300mA
• Internal power for emergency stop input (ES+), and emergency stop READY signal (ES-)
These signals are used by the external safety circuit (e.g., safety enclosure, manual switch, etc.) in order to perform
robot emergency stops.
Signal Name
Description
Type
ES+
Internal power for emergency stop input
Output
ES-
Emergency stop input (emergency stop READY signal)
Input
Explanation
An emergency stop status is established when the relay contact between ES+ and ES- is open (OFF), and a "servo OFF"
status also occurs at that time.
w
DANGER
DIRECtly ShoRt-CIRCuItING thE EXt CoNNECtoRS ES+ AND ES- SIGNAlS WIll DISABlE EXtERNAl EMERGENCy
StopS (INCluDING thE hANDy tERMINAl'S EMERGENCy Stop ButtoN), thEREBy CREAtING AN EXtREMEly
hAzARDouS CoNDItIoN. BE SuRE to uSE ES+ AND ES- So thAt thE EXtERNAl SAfEty CIRCuIt fuNCtIoNS
pRopERly.
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