Omron SYSDRIVE 3G3MX-A2002, Руководство пользователя

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4-58
4-2 Function Mode
4
Func
tions
PID FB Status Output
When the PID function is used, this function outputs a signal according to the FB value, as illustrated
below.
This is effective as a RUN command in operating multiple pumps.
Network error
This function detects and outputs a network error during RS485 ModBus communication.
• The error is output during RS485 ModBus communication if the next signal does not come even
after the specified time period set in C077.
Data Symbol Function name Status Description
07 FBV PID FB status output
ON See the figure below.
Shifts output when exceeding the upper limit or
falling below the lower limit.
OFF
Available input terminals P1-PC, P2-PC, MA-MC (or MB-MC)
Required settings C021, C026, C052, C053
PID FB
Upper limiter
(C052)
PID FB
Lower limiter
(C053)
PID FB value
FW
FBV
ON
ON OFF ON
OFF at output frequency = 0
Data Symbol Function name Status Description
08 NDc Network error
ON The communication watchdog timer times out.
OFF Normal
Available input terminals P1-PC, P2-PC, MA-MC (or MB-MC)
Required settings C021, C026, C052, C077
Master
Slave
Watchdog
timer [C077]
NDc
Alarm
[C076]=00 or 01
Time out