Teledyne LGA-3500 - Laser Gas Analysis system User Manual
Page 35
Laser Gas Analyzer
Installation
Teledyne
Analytical
Instruments
21
Figure 3.8: Electric Connection Ports on the Central Processing
Unit for Analysis Systems Using Fiber Optic Pigtail
Table 3.1 Electric connections & definitions of Input, Output Signals of
Central Processing Unit
Socket No. On
Motherboard
Name
31
5V Power Supply
32
DGND Power Supply Ground
33 RS232-RXD
34 RS232-GND
35 RS232-TXD
36
4-20mA Concentration Output (-)
37
4-20mA Concentration Output (+)
38
4-20mA Pressure Input (-)
39
4-20mA Pressure Input (+)
40
4-20mA Pressure Input24V Power Supply
41
4-20mA Temperature Input (-)
42
4-20mA Temperature Input (+)
43
4-20mA Temperature Input 24V Power Supply
44
Warning Alarm Relay 1
1
． Grounding pole
2
． RS232 connection port
3
． Cable port between central
processing unit and the
probe
4
． 4-20mA connection port
5
． Relay connection port
6
． Fuse socket
7 Power supply port