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Mitsubishi Electric NZ2GN2B1-32D User Manual Page 105

Programmable controller cc-link ie tsn remote i/o module.
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When the output module is off, the LED connected as a load dimly turns on
■Cause
The load operates by the leakage current when the output module is off.
Output module
Countermeasure
Sink output
Y0
COM-
■Action
Connect a resistor of 5 to 50kΩ in parallel with the LED load.
When a digital display unit is connected as a load, data may not be displayed normally.
■Cause
The load operates by the leakage current when the output module is off.
Countermeasure
Output module
Sink output
Y0
CTL+
COM-
■Action
Install a pull-up resistor of 5 to 50kΩ and 0.5W between the outputs of 24VDC power supply and the output module.
LED
24VDC
power
supply
Digital display unit
(input signal section)
Dedicated
IC
24VDC
power
supply
11 TROUBLESHOOTING
11.5 Examples of Troubles with the I/O Module
11
103

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