ABB DriveIT ACH550-UH - Page 163

ACH550-UH User’s Manual 163
Serial Communication – EFB
• The drive is in remote (REM) control.
• The serial communication channel is defined as the source for controlling
commands (set using parameters 1001
EXT1 COMMANDS, 1002 EXT2 COMMANDS
and 1102
EXT1/EXT2 SEL).
• The serial communication channel used is configured to use the ABB Drive
profile. Either of the following:
– Parameter 9802 COMM PROT SEL = 1 (STD MODBUS), and parameter 5305 EFB
CTRL PROFILE = 0 (ABB DRIVES)
– FBA module installed, parameter 9802 COMM PROT SEL = 4 (EXT FBA), and
parameters 5102…5126 configured for the ABB Drives profile.
The following table and the state diagram later in this sub-section describe the
CONTROL WORD content.
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.