Mitsubishi Electric MELSEC Q Series User Manual page 52

3 SPECIFICATIONS
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(c) Restrictions
• The heater-disconnection compensation function will not work if only one
channel is used.
• The heater-disconnection compensation function will not work if only one
channel is used to keep the heater on while the others are used to keep it off.
The module may detect a disconnection even when the heater is not
disconnected.
• The heater disconnection detection compensation value is up to 20%.
Therefore, when there is a voltage drop by more than 40%, a disconnection
is detected even with a 20% compensation.
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MELSEC-Q
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