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

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".
Parameter No. Function name
Multi-function output
C021 to C025
terminal 11 to 15 selection
Relay output (AL2, AL1)
C026
function selection
Communication error
C077
External controller
Inverter
Monitor timer
Communication disconnection detection signal (NDc)

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
Multi-function output terminal
C021 to C025
11 to 15 selection
Relay output (AL2, AL1)
C026
function selection
Related functions
32: NDc (network error)
0.00 to 99.99:
timeout Set a time before reception timeout.
40: WAF
(cooling fan life warning signal)
4-2 Function Mode
Data Default setting
Communication trip time
(C077)
Data Default setting
b092, d022
Unit


05
0.00 s
Unit


05
4-104
4