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ACH580 E-Clipse bypass and packaged drive user manual
Embedded fieldbus
Communications fault
When using fieldbus control, specify the bypass’ action if external serial
communication is lost.
Feedback from the ABB E-Clipse Bypass – EFB
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.
Note:
As noted above, Modbus provides direct access to all parameters using the
format: (group #) * 256 + parameter #.
Example: drive parameter 28.01 is mapped as 40000 + 28 * 256 + 1 = 407169.
Bypass Parameter
Value
Setting
3004
COMM LOSS
0 (Not Sel)
1 (Fault)
2 (Const Sp7)
3 (Last Speed)
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.
3005
COMM FAULT TIME Set time delay before acting on a communication loss.
Bypass Parameter
Protocol Reference
Modbus
N2
BACnet
0101
MOTOR CURR
400257
AI1
AV0
Type
Name
Description
N2
BACnet
DI
System Ready
System is ready to accept start command (either
mode).
BI1
BV7
DI
System Enabled
System is enabled to start motor (either mode).
BI2
BV9
DI
System Started
System start interlocks are made and start
command has been received (either mode).
Motor runs if run permissive is active.
BI3
BV1
DI
System Running
Motor is running (either mode).
BI4
BV0
DI
Fieldbus Local
System is under fieldbus local control (either
mode).
BI5
N/A
DI
Bypass Fault
Bypass is faulted.
BI6
BV2
DI
Bypass Warning
Bypass is alarming.
BI7
BV5
DI
Comm Control
System is configured for control in the comm
channel
BI8
N/A
DI
Override
Override status
BI9
BV13
DI
DI1 Status
Bypass digital input 1 status
BI10
BI5
Summary of Contents for ACH580 Series
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