Teledyne 4030 - Total Hydrocarbon gas analyzer - Manual (Page 26)

Installation
Teledyne Analytical Instruments 24
30
31
32 Exhaust Solenoid Hot
33 Sample Solenoid Hot
34 Range 4 Contact/ not used
35 Range 4 Contact/not used
36 Alarm 3 NC Contact
37 Alarm 3 NO Contact
38 Range 1 Contact
39 Range 2 Contact
40
41
42 Alarm 2 NC Contact
43 Alarm 2 NO Contact
44 Alarm 2 C Contact
45 Alarm 1 NC Contact
46 Alarm 1 NO Contact
47
48 Exhaust Solenoid Return
49
50 Sample Solenoid Return
3.3.4 RS-232 Port
The digital signal output is a standard RS-232 serial communications
port used to connect the analyzer to a computer, terminal, or other digital
device. It requires a standard 9-pin D connector.
Input: The input functions using RS-232 that have been implemented
to date are described in Table 3-5.
Table 3-5: Commands via RS-232 Input
Command Description
AS immediately starts an auto span.
AL immediately revert to Analyze (THC Phase)
RL Change to Manual Range LOW
RM Change to Manual Range MEDIUM
RH Change to Manual Range HIGH
RA Change to Manual Range AUTO