Figure 10-15: Interface Block Diagram - Teledyne 300E Instruction Manual

THEORY OF OPERATION
Back Panel
Connectors
Optional Ethernet
A1
A2
TEST
Front Panel
The Front panel of the analyzer is hinged at the bottom and may be opened to gain
access to various components mounted on the panel itself or located near the front
of the instrument (such as the GFC Wheel assembly). Two fasteners located in the
upper right and left corners of the panel lock it shut.
180
COM-A
COM-B
Interface
Status Outputs:
1 – 8
Control Inputs:
1 – 6
Analog Outputs
Optional
4-20 mA

Figure 10-15: Interface Block Diagram

Model 300E Carbon Monoxide Analyzer
RS – 232
RS – 232 or RS – 485
Mother
Board
PC/104 BUS
2
I C BUS
DISPLAY
Instruction Manual
CPU
KEYBOARD
2
I C BUS
RELAY
BOARD
P/N 04288 Rev: A