Omron 3G3RX - Network Error; Cooling Fan Speed Drop Signal

4-104
4-2 Function Mode
4
Functions
Network Error
•Enabled only when ModBus-RTU is selected for RS485 communication.
•If a reception timeout error occurs, this signal is output until reception of the next data.
•Set a time before reception timeout in communication error timeout C077.
•For details, refer to "4-4 Communication Function".
Cooling Fan Speed Drop Signal
•This signal is output when detecting that the Inverter's built-in cooling fan rotation speed is reduced
to 75% or less.
•If "01" is selected in cooling fan control b092, this signal is not output even while the fan is stopped.
•While this signal is output, check the cooling fan for clogging.
•Life assessment monitor d022 shows the status of this signal.
Parameter No. Function name Data Default setting Unit
C021 to C025
Multi-function output
terminal 11 to 15 selection
32: NDc (network error)


C026
Relay output (AL2, AL1)
function selection
05
C077
Communication error
timeout
0.00 to 99.99:
Set a time before reception timeout.
0.00 s
External controller
Inverter
Monitor timer
Communication trip time
(C077)
Communication disconnection detection signal (NDc)
Parameter No. Function name Data Default setting Unit
C021 to C025
Multi-function output terminal
11 to 15 selection
40: WAF
(cooling fan life warning signal)


C026
Relay output (AL2, AL1)
function selection
05
Related functions b092, d022