Hitachi SJ100DN DeviceNet Series Addendum Instruction Manual Addendum page 60

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Network Control and Monitoring
Host Output Data Notes – The following list provides further details on how the
inverter responds to the polled I/O data from the host computer.
• Out-of-range data will be ignored.
• When the inverter is in Run Mode (FW Run or RV Run), any change to the Net
Control bit or the Net Reference bit will be ignored.
• When an intelligent input terminal [CF1], [CF2], [CF3], [CF4], [JG], or [2CH] turns
ON, the inverter performs the related function with priority.
• If the inverter reset is ON at powerup, a communication time-out error will occur at
the master. In this case, the master will need to re-establish communications.
• When an inverter has a power cycle or reset, the DeviceNet master may request to start
or resume motor rotation. If the master does not specify the accel or decel times (in the
polled I/O, the inverter will use the F_02 and F_03 values.