Michell Instruments Cermet II - Page 38

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