APPENDIX A-2: Setup Variables For Serial I/O, Revision G.4 Model 360E Instruction Manual
SETUP VARIABLE
NUMERIC
UNITS
DEFAULT
VALUE
VALUE RANGE DESCRIPTION
SAMPLE PRESSURE,
SAMPLE FLOW,
SAMPLE TEMP,
BENCH TEMP,
WHEEL TEMP,
O2 CELL TEMP
5
,
CHASSIS TEMP,
PHT DRIVE
REMOTE_CAL_MODE — LOW
1
LOW,
HIGH
Range to calibrate during contact
closure or Hessen calibration.
PASS_ENABLE — OFF ON, OFF
ON enables passwords; OFF
disables them.
STABIL_GAS — CO
1
CO,
O2
5
Selects gas for stability
measurement.
STABIL_FREQ Seconds 10 1–300
Stability measurement sampling
frequency.
STABIL_SAMPLES Samples 25 2–40
Number of samples in concentration
stability reading.
PHOTO_TEMP_SET mV
2500
Warnings:
250–4750
0–5000
Photometer temperature warning
limits. Set point is not used.
SAMP_PRESS_SET In-Hg
29.92
Warnings:
15–35
0–100
Sample pressure warning limits. Set
point is not used.
SAMP_FLOW_SET cc/m
750
Warnings:
500–1000
0–5000
Sample flow warning limits. Set point
is not used.
SAMP_FLOW_SLOPE — 1 0.001–100
Slope term to correct sample flow
rate.
VAC_SAMP_RATIO — 0.53 0.1–2
Maximum vacuum pressure / sample
pressure ratio for valid sample flow
calculation.
PURGE_PRESS_SET PSIG
7.5
Warnings:
2.5–12.5
0–100
Purge pressure warning limits. Set
point is not used.
SAMP_TEMP_SET ºC
30
Warnings:
10.1–100
0–100
Sample temperature warning limits.
Set point is not used.
BOX_SET ºC
30
Warnings:
5–48
0–100
Internal box temperature warning
limits. Set point is not used.
BENCH_CYCLE Seconds 2 0.5–30
Optical bench temperature control
cycle period.
BENCH_PROP 1/ºC 5 0–100
Optical bench temperature PID
proportional coefficient. Proportional
band is the reciprocal of this setting.
BENCH_INTEG — 0.5 0–100
Optical bench temperature PID
integral coefficient.
BENCH_DERIV — 2 0–100
Optical bench temperature PID
derivative coefficient.
WHEEL_CYCLE Seconds 2 0.5–30
Wheel temperature control cycle
A-20 05233 Rev G.4
