ABB ACH550-UH User Manual

1-248 ACH550-UH User’s Manual
Embedded fieldbus
ABB drives profile
The following table and the state diagram later in this sub-section describe the
CONTROL WORD content for the ABB Drives Profile.
ABB Drives Profile (EFB) CONTROL WORD
Bit Name Value
Commanded
State
Comments
0OFF1
CONTROL
1
READY TO OPERATE Enter READY TO OPERATE
0 EMERGENCY OFF Drive ramps to stop according to currently
active deceleration ramp (2203 or 2205)
Normal command sequence:
• Enter OFF1 ACTIVE
• Proceed to READY TO SWITCH ON,
unless other interlocks (
OFF2, OFF3) are
active.
1OFF2
CONTROL
1
OPERATING Continue operation (OFF2 inactive)
0
EMERGENCY OFF Drive coasts to stop.
Normal command sequence:
• Enter
OFF2 ACTIVE
• Proceed to SWITCHON INHIBITED
2OFF3
CONTROL
1 OPERATING Continue operation (OFF3 inactive)
0 EMERGENCY STOP Drive stops within in time specified by
parameter 2208.
Normal command sequence:
• Enter
OFF3 ACTIVE
• Proceed to SWITCH ON INHIBITED
WARNING! Be sure motor and driven
equipment can be stopped using this
mode.
3 INHIBIT
OPERATION
1 OPERATION
ENABLED
Enter OPERATION ENABLED (Note the Run
enable signal must be active. See 1601. If
1601 is set to COMM, this bit also actives
the Run Enable signal.)
0
OPERATION
INHIBITED
Inhibit operation. Enter OPERATION
INHIBITED
4 Unused (ABB DRV LIM)
RAMP_OUT_
ZERO
(
ABB DRV FULL)
1
NORMAL OPERATION Enter RAMP FUNCTION GENERATOR:
ACCELERATION ENABLED
0 RFG OUT ZERO Force ramp function generator output to
Zero. Drive ramps to stop (current and DC
voltage limits in force).
5 RAMP_HOLD 1 RFG OUT ENABLED Enable ramp function.
Enter
RAMP FUNCTION GENERATOR:
ACCELERATOR ENABLED
0 RFG OUT HOLD Halt ramping (Ramp Function Generator
output held)
6 RAMP_IN_
ZERO
1
RFG INPUT ENABLED Normal operation. Enter OPERATING
0 RFG INPUT ZERO Force Ramp Function Generator input to
zero.

ABB ACH550-UH Specifications

General

Brand	ABB
Model	ACH550-UH
Category	Controller
Language	English