IBCcontrol VariMax50M, Manual

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OPERATIONAL INDICATIONS, MODBUS
Green LED Red LED Operating mode Troubleshooting
Unlit Unlit Modbus turned off
Unlit Lit with fixed
light No communication - Communication cable broken
or not connected.
- No communication received
from host system.
Unlit Flashing Non-interpretable
communication - Incorrect speed setting
- Incorrect number of stop bits
or parity setting
- Incorrectly polarised or
poorly connected cable
- Incorrect termination
Lit with fixed
light Unlit Communication established,
no traffic on the bus
Lit with fixed
light Flashing Communication established,
temporary communication error - Poorly connected cable
- Incorrect termination
Flashing Unlit Communication established,
traffic on the bus
Flashing Lit with fixed
light Connected to bus traffic but no
reference value sent to VariMax - Incorrect address set
- No reference value received
from host system
*VariMax has received a reference value for the past 90 seconds.
TIMEOUT
If messages with reference values stop coming, VariMax50M will continue using the latest received
reference value. After 90 seconds the red LED will activate.
Green LED Red LED DIP switch
17