,
%**8 = 9);
YORK, A Johnson Controls Company
2,8
Operation of
CONTROL WORD
and
STATUS WORD
conform to the YORK Drives
Profile with one exception:
CONTROL WORD
bit 10 (
REMOTE
_
CMD
) is not used by the
AYK550.
/@>
Using the
CONTROL WORD
to start the drive:
•
First, the requirements for using the
CONTROL WORD
must be met. See above.
•
When the power is first connected, the state of the drive is not ready to switch on.
See dotted lined path (
) in the state diagram below.
•
Use the
CONTROL WORD
to step through the state machine states until the
OPERATING
state is reached, meaning that the drive is running and follows the
given reference. See table below.
8
AT_SETPOINT
1
OPERATING
>
Actual value equals (within tolerance limits)
the reference value.
0
Actual value is outside tolerance limits (not equal to
reference value).
9
REMOTE
1
Drive control location:
REMOTE
(
EXT
1 or
EXT
2)
0
Drive control location:
LOCAL
10
ABOVE_LIMIT
1
Supervised parameter’s value > supervision high limit.
Bit remains “1” until supervised parameter’s value <
supervision low limit.
See group 32, Supervision
0
Supervised parameter’s value < supervision low limit.
Bit remains “0” until supervised parameter’s value >
supervision high limit.
See group 32, Supervision
11
EXT CTRL LOC
1
External control location 2 (
EXT
2) selected
0
External control location 1 (
EXT
1) selected
12
EXT RUN ENABLE
1
External Run Enable signal received
0
No External Run Enable signal received
13… 15 Unused
#,
CONTROL WORD
=,2
1
CW = 0000 0000 0000 0110
This CW value changes the drive state to
READY TO SWITCH
ON
.
2
Wait at least 100 ms before proceeding.
3
CW = 0000 0000 0000 0111
This CW value changes the drive state to
READY TO OPERATE
.
4
CW = 0000 0000 0000 1111
This CW value changes the drive state to
OPERATION ENABLED
.
The drive starts, but will not accelerate.
5
CW = 0000 0000 0010 1111
This CW value releases the ramp function generator (RFG)
output, and changes the drive state to
RFG
:
ACCELERATOR
ENABLED
.
&!%24\J
#''#
6&!
J,
@
=,2
22 3,2,,`;2/ ,9,,37@
bit 0
bit 15
Summary of Contents for York AYK550
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