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UGA Series Universal Gas Analyzers
Remote Programming
3 –
ZCTP (?) {i}
Warning
34
“Sample valve OPEN”
Warning
38
“Rough pressure HIGH”
Turbo pump Off/On/Idle
The ZCTP i command turns the turbo pump Off (i=0),
On(i=1), or Idle(i=2). The ZCTP? query returns whether the
turbo pump is Off (0), On (1), Idle (2), turning on (3, 4 or
5), turning off (6 or 7), or turning idle (8, 9 or 10), or
in Error state (2).
Example
ZCTP
Turns the turbo pump On.
ZCTP?
Returns the state of the turbo pump.
Errors and warnings
The command is ignored if any of these conditions are true.
ZCTP 0 :
Warning
43
“RGA ON”
Warning
46
“IG ON”
Warning
48
“System Bake ON”
Error
0 “TP stop failed”
With Error 0, the ZCTP? query returns Error state (2), until the
turbo pump is turned off.
ZCTP :
Warning
36
“Roughing pump OFF”
Error
04 “TP too high”
Error
– 20
Error conditions detected by the
turbo pump controller. Once one of these errors
occurs, the UGA has to be turned off and turned on
again to clear the error.
ZCTP 2 :
Warning
36
“Roughing pump OFF”
Warning
48
“System Bake ON”
Error
04 “TP too high”
Error
– 20
Error conditions detected by the
turbo pump controller. Once one of these errors
occurs, the UGA has to be turned off and turned on
again to clear the error.
With Error 04, the ZCTP? query returns Error state (2), until the
turbo pump is turned off.
