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Getting Started Teledyne API M100E Analyzer Operation Manual
30
The status outputs are accessed via a 12-pin connector on the analyzer’s rear panel labeled STATUS (refer to
Figure 3-2). Pin-outs for this connector are:
STATUS
1 2 3 4 5 6 7
8
D
+
SYSTEM OK
HIGH RANGE
CONC VALID
ZERO CAL
SPAN CAL
DIAG MODE
Figure 3-6: Status Output Connector
Table 3-5: Status Output Signals
REAR PANEL
LABEL
STATUS
DEFINITION
CONDITION
1
SYSTEM OK
ON if no faults are present.
2
CONC VALID
OFF any time the HOLD OFF feature is active, such as during calibration or when
other faults exist possibly invalidating the current concentration measurement
(example: sample flow rate is outside of acceptable limits).
ON if concentration measurement is valid.
3
HIGH RANGE
ON if unit is in high range of either the DUAL or Auto range modes.
4
ZERO CAL ON whenever the instrument’s ZERO point is being calibrated.
5
SPAN CAL ON whenever the instrument’s SPAN point is being calibrated.
6
DIAG MODE ON whenever the instrument is in DIAGNOSTIC mode
7&8
SPARE
D
EMITTER BUS
The emitters of the transistors on pins 1-8 are bussed together.
SPARE
+
DC POWER
+ 5 VDC, 300 mA source (combined rating with Control Output, if used).
Digital Ground The ground level from the analyzer’s internal DC power supplies
04515F DCN6048