Teledyne API - T360/T360M, 360E/360EM Appendix A Menu Trees (05233C DCN6552)
A-39
MODBUS
Register Address
(dec., 0-based)
Description Units
202
3
CO
2
concentration during zero/span calibration, just before
computing new slope and offset
%
204
3
CO
2
slope —
206
3
CO
2
offset %
MODBUS Floating Point Holding Registers
(32-bit IEEE 754 format; read/write in high-word, low-word order; read/write)
0 Maps to CO_SPAN1 variable; target conc. for range #1 Conc. units
2 Maps to CO_SPAN2 variable; target conc. for range #2 Conc. units
100
2
Maps to O2_TARG_SPAN_CONC variable %
200
3
Maps to CO2_TARG_SPAN_CONC variable %
MODBUS Discrete Input Registers
(single-bit; read-only)
0 Source warning
1 Box temperature warning
2 Bench temperature warning
3 Wheel temperature warning
4
11
Sample temperature warning
5 Sample pressure warning
6 Photometer detector temperature warning
7 System reset warning
8 Rear board communication warning
9 Relay board communication warning
10 Front panel communication warning
11 Analog calibration warning
12 Dynamic zero warning
13 Dynamic span warning
14 Invalid concentration
15 In zero calibration mode
16 In span calibration mode
17 In multi-point calibration mode
18 System is OK (same meaning as SYSTEM_OK I/O signal)
19
1
Purge pressure warning
20
1
Sample flow warning
21
1
Internal box temperature #2/oven warning
22
1
Concentration limit 1 exceeded
23
1
Concentration limit 2 exceeded
24
1
Auto-zero warning
25
1
Sync warning
26
1
In Hessen manual mode
100
2
In O
2
calibration mode
101
2
O
2
cell temperature warning
102
1,2
O
2
concentration limit 1 exceeded
