S90-010 CS (APR 08) FRICK
QUANTUM™ COMPRESSOR CONTROL PANEL
Page 22 COMMUNICATIONS SETUP
RETURN DATA VALUE FROM TABLE $IDT1
$ Start of command sequence.
ID Compressor ID code.
T1 Return the value of a Table address.
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
Frick
®
Address(s) of data value in Table. Up
to 16 different addresses can be requested.
Example # 1: if requesting Suction
Temperature only, command would be (to
compressor ID of 1); $01T10128CSCR.
Example # 2: If requesting address 128
through 136, the command would be
$01T101280129013001310132013301340
1350136CSCR.
CS Checksum
CR Carriage Return
RETURNED ANSWER,
Starting
Character
Position
Description
of returned data
1 A Acknowledge
2 01 Compressor ID code.
4 Value(s) of requested data.
CS (Checksum followed by CR, LF)
The response to example # 1 above would
look like: A01+000018731F, the plus
symbol (+) indicates that the data value
returned is positive.
The response to example # 2 above would
look like:
A01+00001873+00004901+00002949+000
05652-0027249+00008211+00013354
+00000656+0000288109
CHANGE SETPOINT COMMAND: $IDCS
$ Start of command sequence.
ID Compressor ID code.
CS Change Table address’s setpoint value.
0000 Frick
®
’s Table address of the setpoint.
+/- Polarity indicator (for the new setpoint).
0000 0000 Value of the new setpoint. Decimal point
assumed to two places (0000 00.00)
CS Checksum
CR Carriage Return
RETURNED ANSWER, A followed by the ID,
and 1 CR, LF if successful.
and 0 CR, LF if unsuccessful.
CLEAR ALARMS COMMAND: $IDCA
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
NOTE: The following commands are for remote
control of a compressor. A compressor should be in
both remote compressor mode and remote Slide Valve
or capacity mode for remote control.
COMPRESSOR START COMMAND: $IDCT
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
COMPRESSOR STOP COMMAND: $IDCP
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
SLIDE VALVE CONTROL COMMANDS: $IDCLXX
$IDCUXX
$ Start command sequence.
ID Compressor ID code.
C Slide Valve/Slide Stop command.
L Load Slide Valve command.
U Unload Slide Valve command.
XX = 00 Turns selected output off.
XX=01 to 15 Turns selected output on for XX seconds.
If the command is $01CL00, then the load Slide Valve
output on compressor #1 would be turned off. If the
command is $01CL05, then the load Slide Valve output
on compressor #1 would be turned on for 5 seconds,
and would then automatically turn off. Time is not
accrued, each command restarts timer. NOTE: the
Slide Valve must be in the remote mode for this
command to be executed.
RETURNED ANSWER (for L or U commands): A01
Character
Position
Description of returned data
1 Acknowledge of command sent.
2,3 ID code of compressor. (CR, line feed.)
COMPRESSOR MODE - MANUAL COMMAND: $IDMM
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
COMPRESSOR MODE - AUTOCYCLE COMMAND:
$IDMA
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
COMPRESSOR MODE - REMOTE COMMAND: $IDMR
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
SLIDE VALVE MODE - AUTOMATIC COMMAND:
$IDVA
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
SLIDE VALVE MODE - REMOTE COMMAND: $IDVR
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
COMPRESSOR SEQUENCE - ACTIVATE
COMMAND: $IDS2
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.
COMPRESSOR SEQUENCE – DE-ACTIVAT
COMMAND: $IDS3
followed by the CS, CR
RETURNED ANSWER, A followed by the ID,
CR, LF if successful.