120
Teledyne API T500U CAPS NO
2
Analyzer with NumaView™ Software 083730510A DCN8172
MODBUS REGISTER
ADDRESS
(DEC., 0-BASED)
DESCRIPTION
UNITS
20
In zero calibration mode
21
22
In span calibration mode
23
In multi-point calibration mode
24
System is OK (same meaning as
SYSTEM_OK
I/O signal)
25
3
NO
2
concentration alarm limit #1 exceeded
26
3
NO
2
concentration alarm limit #2 exceeded
27
4
In Manual mode
MODBUS Coil Registers
(single-bit; read/write)
0
Maps to relay output signal 36 (
MB_RELAY_36
in signal I/O list)
1
Maps to relay output signal 37 (
MB_RELAY_37
in signal I/O list)
2
Maps to relay output signal 38 (
MB_RELAY_38
in signal I/O list)
3
Maps to relay output signal 39 (
MB_RELAY_39
in signal I/O list)
20
1
Triggers zero calibration of NO
2
range #1 (on enters cal.; off exits cal.)
22
1
Triggers span calibration of O
3
range #1 (on enters cal.; off exits cal.)
23
1
Triggers zero calibration of NO
2
range #2 (on enters cal.; off exits cal.)
25
1
Triggers span calibration of NO
2
range #2 (on enters cal.; off exits cal.)
1
Refer to the Calibration section of this manual for running a calibration check without changing slope and offset vs actual
calibration.
3
Concentration alarm option.
4
Hessen option.
5
Manifold heater option.
6
IZS option.
10
External analog input option.
Summary of Contents for T500U
Page 2: ......
