Diagnostics - Fba - ABB ACH580 Series User Manual

172
Bypass relay output control
Using the fieldbus for relay output control requires:
• Bypass parameter values set as defined below.
• Fieldbus controller supplied, binary coded, relay command(s) in the appropriate
location. (The location is defined by the Protocol Reference, which is protocol
dependent.)
1401
1402
1403
1410
1411
Note: Relay status feedback occurs without configuration as defined below.
0122
0123
Communication fault
When using fieldbus control, specify the bypass action if communication is lost.
Drive Parameter
50.02
50.03
Diagnostics – FBA
Fault Handling
The ACH580 or E-Clipse provides fault information as follows:
• The control panel display shows a fault code and text. See
page
• Parameters 0401 LAST FAULT, 0402 PREVIOUS FAULT1 and 0403 PREVIOUS
FAULT2 store the most recent faults.
Fieldbus adapter
Bypass Parameter
RELAY OUTPUT 1
RELAY OUTPUT 2
RELAY OUTPUT 3
RELAY OUTPUT 4
RELAY OUTPUT 5
Bypass Parameter
RO 1-3 STATUS
RO 4-5 STATUS
FBA A COMM 0 = No action
LOSS FUNC
1 = Fault
2 = Last speed
3 = Speed ref safe
4 = Fault always
5 = Warning
FBA A COMM Set time delay before acting on a communication
LOSS T OUT loss.
185 for a complete description.
ACH580 E-Clipse bypass and packaged drive user manual
Value Description
16 Relay Output 1 controlled by fieldbus.
(COMM
Relay Output 2 controlled by fieldbus.
CTRL)
Relay Output 3 controlled by fieldbus.
Relay Output 4 controlled by fieldbus.
Relay Output 5 controlled by fieldbus.
Value
Relay 1...3 status.
Relay 4...5 status.
Value Description
Set for appropriate drive/
bypass response. NOTE: If the
system is in bypass mode
when communication is lost,
choices 2 and 3 will cause the
bypass contactor to remain in
its present state.
Protocol
Reference
Modbus TCP
433031 bit 0
433031 bit 3
Protocol Reference
400278
400279
Protocol
Reference
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