ACH550 E-Clipse Bypass User’s Manual 2-209
Fieldbus adapter
Note: Relay status feedback occurs without configuration as defined below.
Communication fault
When using fieldbus control, specify the bypass action if serial communication is
lost.
Feedback from the ABB E-Clipse Bypass – FBA
Pre-defined feedback
Inputs to the controller (bypass outputs) have pre-defined meanings established by
the protocol. This feedback does not require bypass configuration. The following
table lists a sample of feedback data. For a complete listing, see input word/point/
object listings in the technical data for the appropriate protocol.
Bypass Parameter Value Protocol Reference
0122
RO 1-3 STATUS Relay 1…3 status.
0123 RO 4-5 STATUS Relay 4…5 status.
Drive Parameter Value Description
Protocol
Reference
3004
COMM LOSS 0 (NOT SEL)
1 (FAULT)
2 (
CONST SP7)
3 (
LAST SPEED)
Set for appropriate drive
response.
–
3005
COMM FAULT
TIME
Set time delay before acting on a communication
loss.
–
Bypass Parameter Description Protocol Reference
System Ready System is ready to accept start command
(either mode).
System Enabled System is enabled to start motor (either
mode).
System Started System start enables are made and start
command has been received (either mode).
Motor runs if run enable is active.
System Running Motor is running (either mode).
Fieldbus Local System is under fieldbus local control (either
mode).
Bypass Fault Bypass is faulted.
Bypass Alarm Bypass is alarming.
Comm Control System is configured for control in the comm
channel
Override Override status
DI1 Status Bypass digital input 1 status
DI2 Status Bypass digital input 2 status
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