Operation
27
GA 12.137/2.02 - 05/2002
Example 1 (command message):
No. of Bytes Description
Send by HOST:
STX “SYS1” CR [1+4+1] switch system ON
Response from COOLPAK:
STX “SYS2” CR [1+4+1] SYSTEM ERROR
Example 2 (request data message):
Send by HOST:
STX “DAT” CR [1+3+1] request data
Response from COOLPAK:
STX “DAT” [1+3]
“2.08” “/” [4+1] software version
“004307” “/” [6+1] (Leybold internal use only)
“14175” “/” [5+1] COOLPAK hours counter
(resetable by Leybold;
identical to the one on the display)
“23.5/01.7/06.9/” [15] (Leybold internal use only)
“003” “/” [3+1] Switch-ON timer [seconds]
(0 = system can be switched on without any delay;
prevents switching on immediately after switching off)
“1” “/” [1+1] Command status of system
(0 =OFF, 1=ON, 2 =SYSTEM ERROR;
the compressor is only switched on,
if the command status is ON and the
switch-ON timer reached zero)
“1” “/” [1+1] Actual compressor status
(0 =OFF, 1=ON)
“1/0/” [4] not used
“02” “/” [2+1] Number of still active errors
“1010000000000000” “/” [16+1] 1 = error active;
0 = error not active
error 1 is active (SYSTEM ERROR)
error 3 is active (Locked rotor error)
“4” [1] Number of recorded and logged errors (≤ 8)
CR End of message
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