Modbus Register Maps; Notes On Modbus Registers; Real-Time Concentration And Status Registers (Read Only); Instrument Setup And Configuration Registers (Read / Write) - Teledyne 465M User Manual

8.6.

MODBUS Register Maps

8.6.1.

Notes on MODBUS registers

Concentration values in the MODBUS registers are always expressed in units of PPB
(parts-per-billion,) regardless of the concentration units setting of the monitor.
8.6.2.
Real-Time Concentration and Status Registers
(Read Only)
Decimal
Address Description
1 Stream Concentration (g/Nm
3 Hi Alarm Status
3 Hi Hi Alarm Status
19 Sensor Reference Value
21 Sensor Measure Value (mV)
23 Sensor Pressure Value (mV)
25 Sensor Gas Temperature (K)
27 Sensor UV Lamp Temperature (
8.6.3.
Instrument Setup and Configuration Registers
(Read / Write)
Decimal
Address Description
1030 Hi Alarm Value (PPM)
1032 Hi Hi Alarm Value (PPM)
1034 Hi Alarm Enable (PPM)
1034 Hi Hi Alarm Enable (PPM)
1035 Alarm Latch Mode
1038 Analog Range (PPM)
50 Teledyne API Model 465M O
Register Type
3
) Float Inverse
Byte
Byte
Float Inverse
Float Inverse
Float Inverse
Float Inverse
o
C) Float Inverse
Register
Type
Float Inverse
Float Inverse
Byte
Byte
Byte
Float Inverse
Monitor User Manual
3
Start #
Bit Bits
0 32
0 8
8 8
0 32
0 32
0 32
0 32
0 32
Start #
Bit Bits
0 32
0 32
0 8
8 8
0 8
0 32
06160J DCN7969