Latch Release Switch; Checking Latch Release Switch Operation - Epson RC620+ Manual

Setup & Operation 6. EMERGENCY
Door switch to the Safety Door input terminal on the EMERGENCY connector.
The Safety Door switch has safety features such as temporary hold-up of the program or
the operation-prohibited status that are activated whenever the Safety Door is opened.
Observe the followings in designing the Safety Door switch and the Safety Door.
- For the Safety Door switch, select a switch that opens as the Safety Door opens, and
- The signal from the Safety Door (Safety Door input) is designed to input to two
- The Safety Door must be designed and installed so that it does not close accidentally.

6.1.2 Latch Release Switch

The software latches these conditions:
The EMERGENCY connector has an input terminal for a latch release switch that cancels
the latched conditions.
Open
Closed : The latch release switch releases the latched conditions.
NOTE
When the latched TEACH mode is released while the safety door is open, the status of

Manipulator power is operation-prohibited because the safety door is open at that time.
To execute a Manipulator operation, close the safety door again, and then close the latch
release input.

6.1.3 Checking Latch Release Switch Operation

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 Drive Unit while the safety door is open in order to boot the software.
(2) Make sure that "Safety" is displayed on the main window status bar.
(3) Close the safety door, and turn ON the switch connecting to the latch release input.
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not by the spring of the switch itself.
redundant signals. If the signals at the two inputs differ by two seconds or more, the
system recognizes it to be a critical error. Therefore, make sure that the Safety Door
switch has two separate redundant circuits and that each connects to the specified pins
at the EMERGENCY connector on the
- The safety door is open.
- The operation mode is set to "TEACH".
: The latch release switch latches conditions that the safety door is open or the
operation mode is "TEACH".
Make sure that the "Safety" is dimmed on the status bar.
.
Drive Unit
RC620DU Rev.5