CHAPTER 5 AUTO mode and time files
49
Table IX. I/O contacts, lower 12 pins connector. Default status is high (5 V).
No. Name
Access Activ(at)e
Function
1 Hold/Busy slave,
master
status: low
Output: active if drift monitor ‘holds’ the
run ( slave). Input: active as
‘HOLD’ command (slave mode).
2 Start
slave level
triggered
Starts a time file
3 Reset
slave level
triggered
Resets the AUTO mode
4 Auto
zero always
level
triggered
Auto zero command, always
accessible when ‘I-Cell’ is in DECADE
display
5
Overload
always status: low
Active when recorder overload occurs
(‘REC OVLD’)
6 not
conn.
7
Inject marker
always status: low
In combination with electric valve,
high: ‘load’, low: ‘inject’.
8
to pos. A
always level
triggered
In combination with electric valve,
forces injector to ‘load’
9
to pos. B
always level
triggered
In combination with electric valve,
forces injector to ‘inject’
10
inject/load
always status: low
In combination with manual injector
with position sensor, high: ‘load’, low:
‘inject’.
11 not
conn.
12 common
always
Ground
Some contacts are
level triggered
, they are activated by making an external
contact closure for at least 100 ms with common (= low). Releasing the
external contact does not affect the I/O contact function. Other contacts are
status sensitive
. They are active only when the status is low, releasing the
external contact closure deactivates (status = high).
Lower contact 1 is only accessible in the AUTO mode (master and slave).
Lower contact 2 and 3 are only accessible in the slave mode (AUTO mode).
Lower contact 4 is always accessible when ‘I-Cell’ is displayed. Other lower
contacts are always accessible.
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