Installation guide
2. Installation 
RC180 Safety and Installation Rev.19 
60 
Checking Latch Release Switch Operation 
Refer to 3.2 Development PC and Controller Connection and connect the 
development PC and Controller before checking the function. 
)
NOTE 
After connecting the safety door switch and latch release switch to the 
EMERGENCY connector, be sure to check the switch operation for safety by 
following the procedures described below before operating the Manipulator. 
(1)
  Turn ON the Controller while the safety door is open in order to boot the 
controller software. 
(2)
  Make sure that “Safety” is displayed on the EPSON RC+ 5.0 status bar. 
(3)
  Close the safety door, and turn ON the switch connecting to the latch release 
input. 
Make sure that the “Safety” is dimmed on the status bar. 
The information that the safety door is open can be latched by software based on 
the latch release input condition. 
Open  : The latch release switch latches condition that the safety door is open. 
To cancel the condition, close the safety door, and then close the 
safety door latch release input. 
Closed  : The latch release switch does not latch the condition that the safety 
door is open. 
The latch release input also functions to acknowledge the change of TEACH 
mode. 
)
NOTE 
In order to change the latched condition of the TEACH mode, turn the mode 
selector key switch on the Teach Pendant to “Auto”.    Then, close the latch release 
input. 
Emergency Stop Switch 
If it is desired to create an external Emergency Stop switch(es) in addition to the 
Emergency Stop on the Teach Pendant and Operator Panel, make sure to connect 
such Emergency Stop switch(es) to the Emergency Stop input terminal on the 
EMERGENCY connector.   
The Emergency Stop switch connected must comply with the following: 
- It must be a push button switch that is “normally closed”. 
- A button that does not automatically return or resume. 
- The button must be mushroom-shaped and red. 
- The button must have a double contact that is “normally closed”. 










