09419A DCN8342
Teledyne API Model 480L O
3
Monitor User Manual
43
6.3.3 REAL-TIME CONCENTRATION AND STATUS REGISTERS (READ
ONLY)
Input Registers (Read Only)
Floating Point Input Registers (32-bit IEEE 754 format; read in highword, low-word order)
Register
Address
Description
Tag Name
Data Type
# Bits
0
Gas Flow (cc/min)
AI_SAMPLE_FLOW
Inverse
Float(Double)
32
2
Sensor Reference Value
(mV)
AI_REF_MV
Inverse
Float(Double)
32
4
Sensor Measure Value
(mV)
AI_MEAS_MV
Inverse
Float(Double)
32
6
Sensor Pressure Value
(psia)
AI_O3_CELL_PRESSURE Inverse
Float(Double)
32
8
Sensor Gas Temperature
(K)
AI_CELL_TEMP
Inverse
Float(Double)
32
10
Stream 1 Concentration
(PPB)
STREAM_1_O3_CONC
Inverse
Float(Double)
32
12
Stream 2 Concentration
(PPB)
STREAM_2_O3_CONC
Inverse
Float(Double)
32
14
Stream 3 Concentration
(PPB)
STREAM_3_O3_CONC
Inverse
Float(Double)
32
16
Stream 4 Concentration
(PPB)
STREAM_4_O3_CONC
Inverse
Float(Double)
32
18
Stream 5 Concentration
(PPB)
STREAM_5_O3_CONC
Inverse
Float(Double)
32
20
Stream 6 Concentration
(PPB)
STREAM_6_O3_CONC
Inverse
Float(Double)
32
Discrete Input Registers (Read Only)
Register
Address
Description
Tag Name
Data Type
# Bits
0
Stream 1 HI Alarm Status,
1= ON
STREAM_1_HI_ALARM
Boolean
1
1
Stream 2 HI Alarm Status,
1= ON
STREAM_2_HI_ALARM
Boolean
1
2
4 Stream 3 HI Alarm
Status, 1= ON
STREAM_3_HI_ALARM
Boolean
1
3
Stream 4 HI Alarm Status,
1= ON
STREAM_4_HI_ALARM
Boolean
1
4
Stream 5 HI Alarm Status,
1= ON
STREAM_5_HI_ALARM
Boolean
1
5
Stream 6 HI Alarm Status,
1= ON
STREAM_6_HI_ALARM
Boolean
1