Cermet II User’s Manual
Michell Instruments
31
APPENDIX B
CODE 4
Channel 1 Measurement task, Sampling rate
DEFAULT VALUE = 207
Digit 1st digit (left most)
Analog Sample Rate
2nd digit
Analog Output 1 Source
3rd digit
0 only (No Function)
0
N/A
Dew point in degrees C
N/A
1
N/A
Dew point in degrees F
N/A
2
Single channel (50 Hz)
N/A
N/A
3
Dual channel (50 Hz)
N/A
N/A
CODE 6
Channel 2 Measurement task
DEFAULT VALUE = 000
Digit 1st digit (left most)
Measurement Task
2nd digit
0 only (No Function)
3rd digit
0 only (No Function)
0
Pressure in psig
N/A
N/A
1
Pressure in barg
N/A
N/A
CODE 7
Result processing
DEFAULT VALUE = 000
Digit 1st digit (left most)
Measurement Task
2nd digit
0 only (no function)
3rd digit
Range for Result
0
Dew point
N/A
1 – 9999
1
ppm
V
N/A
1 – 999.9
2
lbs/MMSCF
N/A
0.01 – 99.99
3
g/m
3
(Natural Gas)
N/A
0.001 – 9.999
Setpoint control 1 – 6
Relay latching, relay setup, source
DEFAULT VALUE = 000 (Prog/Down menu after setpoints)
Digit 1st digit (left most)
Relay Sense
2nd digit
Setpoint Source
3rd digit
Setpoint Function SP1 – SP4
0
Relay energized above
setpoint value
Processed result data (dew point,
ppm
V
, lbs/MMSCF, g/m
3
)
No function
1
Relay energized below
setpoint value
Dew point only
Relay latched
2
N/A
Pressure
De-energized relay
3
N/A
Open transmitter connection
N/A
4
N/A
Open / short circuit transmitter
Relay off for open transmitter
connection
5
N/A
Open / short circuit thermistor
Relay on for open transmitter
connection
6
N/A
All transmitter faults
Relay toggles at 1 Hz for
transmitter connection fault
7
N/A
N/A
Set-up hysteresis, make/
break delay and delay type
