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MODBUS
REGISTER
ADDRESS
(DECIMAL,
0-BASED)
MODBUS Discrete Input Registers
(single-bit; read-only)
0
Manifold temperature warning
1
Converter temperature warning
2
Auto-zero warning
3
Box temperature warning
4
PMT detector temperature warning
5
Reaction cell temperature warning
6
Sample flow warning
7
Ozone flow warning
8
Reaction cell pressure warning
9
HVPS warning
10
System reset warning
11
Rear board communication warning
12
Relay board communication warning
13
Front panel communication warning
14
Analog calibration warning
15
Dynamic zero warning
16
Dynamic span warning
17
Invalid concentration
18
In zero calibration mode
19
In span calibration mode
20
In multi-point calibration mode
21
System is OK (same meaning as SYSTEM_OK I/O signal)
22
Ozone generator warning
23
IZS temperature warning
24
8
In low span calibration mode
25
NO concentration alarm limit #1 exceeded
7
26
7
NO concentration alarm limit #2 exceeded
27
NO
concentration alarm limit #1 exceeded
7
2
28
7
NO
concentration alarm limit #2 exceeded
2
29
7
NO
concentration alarm limit #1 exceeded
X
30
7
NO
concentration alarm limit #2 exceeded
X
200
5
Calibrating O
201
O
sensor cell temperature warning
5
2
202
5+7
O
concentration alarm limit #1 exceeded
2
203
5+7
O
concentration alarm limit #2 exceeded
2
228
Teledyne API T200 NO/NO
DESCRIPTION 10
gas
2
/NO
Analyzer with NumaView™ Software
2
x
UNITS
083730200A DCN7962
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