York AYK 550, User Manual

Page: 164 / 283

160 AYK550-UH User’s Manual
Serial Communication – EFB
• The serial communication channel is defined as the source for controlling
commands (set using parameters 1001
EXT
1
COMMANDS
, 1002
EXT
2
COMMANDS
and 1102
EXT
1/
EXT
2
SEL
).
• The serial communication channel used is configured to use the YORK Drive
profile. Either of the following:
– Parameter 9802
COMM PROT SEL
= 1 (
STD MODBUS
), and parameter 5305
EFB
CTRL PROFILE
= 0 (YORK
DRIVES
)
– FBA module installed, parameter 9802
COMM PROT SEL
= 4 (
EXT FBA
), and
parameters 5102…5126 configured for the YORK Drives profile.
The following table and the state diagram later in this sub-section describe the
CONTROL WORD
content.
YORK Drives Profile (EFB)
CONTROL WORD
Bit Name Value
Commanded
State
Comments
0 OFF1
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
OFF
1
ACTIVE
• Proceed to
READY TO SWITCH ON
,
unless other interlocks (
OFF
2,
OFF
3) are
active.
1 OFF2
CONTROL
1
OPERATING
Continue operation (OFF2 inactive)
0
EMERGENCY OFF
Drive coasts to stop.
Normal command sequence:
• Enter
OFF
2
ACTIVE
• Proceed to
SWITCHON INHIBITED
2 OFF3
CONTROL
1
OPERATING
Continue operation (OFF3 inactive)
0
EMERGENCY STOP
Drive stops within in time specified by
parameter 2208.
Normal command sequence:
• Enter
OFF
3
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.
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)