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5) Operation of device
(5) Output signal
Output signals (excluding reserve output) on #29 to 34 pins of D-Sub37 connector are generated in a
sequence as follows.
Equipment circuit breaker
Key switch
Equipment power ON (29)
LED radiation ready (30)
LED radiation underway (31)
Occurrence of equipment error (33)
Equipment main unit under
emergency stop (34)
LED lighting (2)
Items to note)
• "Equipment power ON" on #29 pin turns ON when device's circuit breaker is ON and PLC inside the
device is ready, and the ON state will be maintained until device circuit breaker is turned OFF. Use as a
signal to check from external devices whether the power to UD40 controller is ON.
• "LED radiation ready" signal on #30 pin goes OFF only at the time of error occurrence during full-block
radiation, and the ON state will be maintained as long as there is any LED block that can be turned ON
when LEDs of individual blocks are lit.
• "Occurrence of equipment error" signal on #33 pin and "Equipment main unit under emergency stop" on
#34 pin have ON signal when there is no error.
• "Occurrence of equipment error" on #33 pin goes OFF when there is an error with the system, when the
emergency stop button of the main unit is pressed, and when the external emergency stop signal is
lost.
• "Warning" signal on #32 pin turns ON only in the case of occurrence of warning state, and will not be
affected by other signals.
ON
ON
ON
ON
ON
ON
ON (note: normal state)
ON (note: normal state)
ON
- 34 -
ON
ON
Occurrence of error
Main unit emergency stop
ON
ON
ON
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