Yokogawa GC1000 Mark II Process Gas Chromatograph - Manual (Page 62)

<Toc> <Ind> <5. Actions of External Input and Output Signals >
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IM 11B03A03-01E 3rd Edition : Aug. 23. 2006-00
5.2 Contact Output
The following five types can be specified for up to eight contact outputs as standard.
• Stream Sequence
• Stream
• Operation Mode
• Alarm
• Timing
Actions when each type is specified, are described below.
CAUTION
If settings are changed in the DO Setup panel while the contact output is On, the contact
output may remain unchanged in On until the power is turned off and on. In changing
settings, make sure that the contact output is Off.
5.2.1 Stream Sequence
When the stream sequence with the number specified in the DO Setup panel runs, the
contact output turns On.
Actions when Stream Sequence 1 is specified for Contact Output 1, are described below.
(1) When the operation mode is changed from Stop to Run:
When the Warming up time for the first stream of Stream Sequence 1 starts, the
contact output turns On.
(2) When the operation mode is changed from Run to Stop:
The contact output is kept On until the measurement status is changed next.
(3) When the operation mode is changed from Run to Pause:
The contact output is kept On.
(4) When Stream Sequence is changed from 1 to 2:
When the Warming up time for the first stream of Stream Sequence 2 starts, the
contact output turns Off.
(5) When Stream Sequence is changed from 2 to 1:
When the Warming up time for the first stream of Stream Sequence 1 starts, the
contact output turns On.
(6) When Stream Sequence 1 is changed to other measurement status:
When the Warming up time for the first stream of the other measurement status starts,
the contact output turns Off.