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Teledyne API - Model T200H/T200M Operation Manual
4.14. SETUP – ALRM: USING THE OPTIONAL GAS
CONCENTRATION ALARMS (OPT 67)
ALARM
ALM1
ALM2
1
Set points listed are for PPM. Should the reporting range units of measure be changed the analyzer will automatically
scale the set points to match the new range unit setting.
Note
SAMPLE
A1:NXCNC1=100PPM
< TST TST > CAL
SETUP X.X
PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK
SETUP X.X
SECONDARY SETUP MENU
COMM VARS DIAG
ALRM
Toggle these buttons
available character set:
07270D DCN7141
The optional alarm relay outputs (Option 67) are installed includes two concentration
alarms. Each alarm has a user settable limit, and is associated with an opto-isolated TTL
relay accessible via the status output connector on the instrument's back panel. If the
concentration measured by the instrument rises above that limit, the alarm's status
output relay is closed NO
The default settings for ALM1 and ALM2 are:
Table 4-28: Concentration Alarm Default Settings
STATUS
Disabled
100 ppm
Disabled
300 ppm
To prevent the concentration alarms from activating during span calibration
operations make sure to press CAL or CALS button prior to introducing span gas
into the analyzer.
To enable either of the concentration alarms and set the Limit points, press:
NOX=XXX.X
SETUP
MORE
EXIT
EXIT
to cycle through the
0-9
.
2
1
LIMIT SET POINT
3
133.9 mg/m
3
401.6 mg/m
SETUP X.X
ALARM MENU
ALM1
ALM2
SETUP X.
ALARM 1 LIMIT: OFF
OFF
SETUP X.
ALARM 1 LIMIT: ON
ON
SETUP X.
ALARM 1 LIMIT: 200 PPM
0
1
0
0
.0
0
Operating Instructions
OUTPUT RELAY
DESIGNATION
AL2
AL3
EXIT
ENTR EXIT
ENTR EXIT
ENTR accepts the new
settings
EXIT ignores the new
ENTR EXIT
settings
163
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