Electronic Operation; T200H/M Electronic Block Diagram - Teledyne T200H User Manual

Principles of Operation

8.5. ELECTRONIC OPERATION

A1
A2
A3
A4
Box
Temp
Thermistor
Interface
REACTION CELL
TEMPERATURE
O OPTION
2
TEMPERATURE
PMT
Temperature
Sensor
PMT
PMT TEC
288
Figure 8-15 shows a block diagram of the major electronic components of the T200H/M.
Analog Outputs
Optional
4-20 mA
Analog
Outputs
(D/A)
Power-Up
Circuit
MOTHER
BOARD
Analog
Internal
Sensor
Digital I/O
PMT
PREAMP PCA
TEC Drive
PCA
Figure 8-15:

T200H/M Electronic Block Diagram

The core of the analyzer is a microcomputer (CPU) that controls various internal
processes, interprets data, calculates data, and reports results using specialized firmware
developed by Teledyne API. It communicates with the user, receives data from and
Teledyne API - Model T200H/T200M Operation Manual
Analog RS232
IN
Male
Control Inputs:
1 – 6
Status Outputs:
1 – 8
2
(I C Bus)
External
Digital I/O)
A/D
Converter(
V/F)
Inputs 2
I
Pneumatic
Sensor
Board
Sample
Pressure
Sensor
Vacuum
Pressure
Sensor MOLYBDENUM CONVERTER
O Flow Sensor
3
Converter Heater
O Sensor
2
Option
COM2 USB Ethernet
Female COM port
or USB
COM2 (RS–232 or RS–485)
COM1 (RS–232 ONLY)
PC 104
Bus
PUMP
(Externally Powered)
C Bus
2
I C Status
LED
CPU Status
LED
TEMPERATURE SIGNAL
Reaction Cell
Heater
Molybdenum
MOLYBDENUM CONVERTER
TEMPERATURE
07270D DCN7141
Touchscreen
USB
Display
LVDS
transmitter board
PC 104
CPU Card
Disk On
Module
Flash Chip
RELAY
BOARD
NO/NO
x
Valve
Autozero
Valve
Sample Cal
Valve Option
Option