INFICON Composer Gas Concentration Controller - Manual (Page 109)

4 - 13
IP
N 07
4-
28
9L
Composer Operating Manual
Ú . . . . . . . . . . . . . . . . . . . . . . . . . Illuminates when the concentration meets
the condition for “steady" and the STEADY
relay is closed, see
section 4.3.6.1,
Description and Purpose of SYSTEM I/O
Connector, on page 4-22
. You may press
the ZERO switch to alter the Reference
Zero when this indicator is illuminated.
CONCENTRATION TARGET . . . . Illuminates when the measured
concentration or bulk flow is within the
defined upper and lower relay limits of the
target concentration.
RELAY LIMIT UPPER. . . . . . . . . . Illuminates when the concentration or bulk
flow has exceeded the upper limit and the
@ CONCENTRATION relay is open.
RELAY LIMIT LOWER . . . . . . . . . Illuminates when the concentration or bulk
flow is less than the lower limit and the
@ CONCENTRATION relay is open.
CELL TEMPERATURE . . . . . . . . . Illuminates when the transducer’s
measurement chamber is at the value
programmed for
CELL TEMPERATURE
+0.1 °C / -0.2 °C.
CELL TEMPERATURE STEADY . Illuminates when the transducer’s
measurement chamber is at the value
programmed for CELL TEMPERATURE
and has been stable for 10 seconds.
TOTAL FLOW FIXED . . . . . . . . . . Illuminates when the “Control Dilution
Flow” configuration switch has been
activated, see
section 4.3.6.6, CFGR2, on
page 4-26 .
FUZZY . . . . . . . . . . . . . . . . . . . . . Illuminates when the fuzzy logic control
choice has been selected for the selected
film program.