Single Gas Sensor Module (SGSM)
Operations Manual
Super Systems Inc.
Page 8 of 30
Page 8 of 51
Register Name
Register Location
Description
Defaults, 23208 = Loop 2
Defaults
DEGREE_REG
17
0 = °F, 1 = °C, 2 = °R, 3 = K
CUR_LOOP_CAL_REG
18
Calibration state. 0 = normal, 1
= prep zero, 2 = store zero, 3 =
prep span, 4 = store span
CUR_LOOP_CAL_CHN
19
Calibration channel
CUR_LOOP_CAL_VAL
20
Cal value. 20.12 mA would be
20120
CUR_LOOP_TARGET_VALUE
22
Actual request value
CUR_LOOP_ZERO_TO_TWENTY
24
0-20 mA enable
CUR_LOOP_SOURCE
26
0 = H2, 1 = DA, 2 = NH3, 3 = KN,
4 = External, 5 = Standard Kn, 6
= NDIR gas
CUR_LOOP_ZERO
28
Zero value. This value equates
to either 4 mA or 0 mA
CUR_LOOP_SPAN
30
Span value. This value equates
to either 20 mA
CUR_LOOP_MANUAL
32
If manual mode is set, then this
register controls (0-20000)
INST_PV_MODE
34
0 = H2, 1 = DA, 2 = NH3, 3 = KN,
4 = Standard Kn, 5 = NDIR single
gas
H2_SELECTION
36
0 = Single gas OEM, 1 = In-Situ
Sensor
DISP_OPT
37
Display option bitmap: bit 0 =
H2, 1 = DA, 2 = NH3, 3 = Super
KN, 4 = Standard KN
EEPROM_WRITER_COUNT
38
Counts how many times the
EEPROM has been written
CUR_LOOP_OUTPUT_CNTS
39
Counts being output for each
current loop.
MB_LO_ALARM_BITMAP
96
First of two words containing
the low threshold alarm bit map
MB_HI_ALARM_BITMAP
98
First of two words containing
the high threshold alarm bit
map