ABB ACS550-01 - ABB Drives Profile

ACS550 User’s Manual 169
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 CONTROL WORD (See Parameter 5319)
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.