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Display
Relais switches *
Cause
Reaction of Controller
Adjustment
Opera-
tion
Fault
Offset 2
Filter **
-
X
Limit alarm deviation from
Offset 2 too high
The device continues working un-
changed.
Limits depending on the deviation
from the setpoint.
For operation as MODBUS Master
When networking via the MODBUS Master interface, the individual error messages of the members are
displayed. These depend on the type of member (
operating instructions of the respective device).
Example:
Error MODBUS Com
Fan: 8
-
X
Connection to the MODBUS
Master interface interrupted
Entered member count too
high
The device continues working un-
changed.
Check member count
Check MODBUS connection.
Motor fault
Fan: 3
-
X
Example for motor fault at
member with address 3
The control module continues running
unchanged.
Reset required on the member (
operating instructions of the device
concerned).
Line Fault
Fan: 6
-
X
Example for line failure at
member with address 6
The control module continues running
unchanged.
Check line supply of member.
*
Alternative display texts for error message via external contact
Controller Setup / display text for external message.
**
Alternative display texts for limit alarms
limits function
|
3L
|
Operating Instructions
UNIcon MODBUS Master
Protocol
L-BAL-E255-GB 1901 Index 001
Part.-No.
115/121