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FRICK
®
QUANTUM™ COMPRESSOR CONTROL PANEL S90-010 CS (APR 08)
COMMUNICATIONS SETUP Page 13
QUERY SETPOINTS DATA - #IDQ1 will return
Position
# Byte(s) Setpoint (Name/Comment)
1 1
Always
0
2, 3, 4, 5
4
Capacity Control Setpoint,
3 chars followed by g or h
14, 15
2
Prop band
16, 17
2
Dead band
18, 19
2
Cycle time
20, 21, 22, 23
4
Future
24, 25, 26, 27
4
Future
28, 29, 30, 31
4
Future
32, 33
2
Future
34, 35
2
Future
36, 37
2
Future
38, 39, 40, 41
4
High
Discharge
Pressure
Shutdown
42, 43, 44, 45
4
High Discharge Press. Alarm
46
1
ID (tenths position byte)
47
1
ID (ones position byte)
48
1
ID Checksum of all data (pos.
1 to 47)
49 1
CR
code
13
50
1
LF code 10
51
1
0 null terminator char.
QUERY SETPOINTS DATA - #IDQ2 will return
Position
# Byte(s)
Setpoint (Name/Comment)
1, 2, 3
3
Future
4, 5, 6
3
Future
7, 8, 9
3
MLC amps stop load
10, 11, 12
3
MLC amps force unload
13, 14, 15
3
CT factor
16, 17
2
Recycle delay (setpoint, not
time left)
18
1
Aux 1 0=alarm, 1=shutdown
19
1
Aux 1 0=NO, 1=NC
20
1
Aux 2 0=alarm, 1=shutdown
21
1
Aux 2 0=NO, 1=NC
22 1
Future
23, 24
2
Future
25 1
Future
26 1
Future
27, 28
2
Future
29 1
Future
30
1
ID (tenths position byte)
31
1
ID (ones position byte)
32
1
ID Checksum of all data
(pos. 1 to 47)
33 1
CR
code
13
34
1
LF code 10
35
1
0 null terminator char.
QUERY SETPOINTS DATA - #IDQ3 will return
Position
# Byte(s)
Setpoint (Name/Comment)
1, 2, 3, 4
4
Spaces
5, 6, 7, 8
4
Future
9
1
Setback active 1=yes, 0=no
10, 11, 12, 13
4
Auto. cycling comp. start
14, 15, 16, 17
4
Auto. cycling comp. stop
18, 19
2
Future
20, 21
2
Future
22, 23
2
Autocycle min. Slide Valve
24
1
Autocycle active 0=no 1=yes
25, 26, 27, 28
4
Future
29, 30, 31, 32
4
Future
33, 34
2
Future
35, 36
2
Future
37, 38
2
Future
39 1
Future
40
1
ID (tenths position byte)
41
1
ID (ones position byte)
42
1
ID Chksum of data (pos 1-47)
43 1
CR
code
13
44
1
LF code 10
45
1
0 null terminator char.
CHANGE SETPOINTS COMMAND: #01C
#
Start command sequence.
01
Compressor ID code.
C
Change setpoint command.
xx Which
setpoint
xxx New
value
y
g or h for gauge or inches
The following is the complete list of setpoints that may
be changed while in the change setpoints command:
01xxxy
Capacity Control Setpoint
(
y
deleted for KpaA & BarA ver.)
02xxxy
Change Low Suction Shutdown Setpoint
(
y
deleted for KpaA & BarA ver.)
03xxxy
Capacity Low Suction Alarm Setpoint
(
y
deleted for KpaA & BarA ver.)
04xxx
Change High Press. Shutdown Setpoint
(
xxxx
is used for KpaA & BarA ver.)
05xxx
Change High Press. Alarm Setpoint
(
xxxx
is used for KpaA & BarA ver.)
06xxx
Change MLC Stop Load Setpoint
07xxx
Change MLC Force Unload Setpoint
08xx Change
Recycle
Delay Setpoint
09xxx
Change CTF Setpoint
10xx Proportional
Band
11xx Dead
Band
12xx Cycle
Time
01
Compressor ID code
RETURNED ANSWER:
Axxxx
The new setpoint which was sent followed by a
carriage return, line feed.
BAD
followed by the
ID
,
CR
,
LF
if unsuccessful.
If the command was sent #01C01300g01, the capacity
control setpoint would be changed to 30.0g and the
returned answer is A300g followed by a carriage return,
line feed. If the command was sent #01C0711001, the
MLC force unload setpoint would be changed to 110%
and the returned answer is A110 followed by a carriage
return, line feed. If the command sent was
#01C0520002, the returned answer is
BAD
followed by
the ID number and a carriage return, line feed.