Teledyne IR-7000 - Non-dispersive infrared series - Manual (Page 36)

Installation 3 IR7000
28
Teledyne Analytical Instruments., - Rev. 3
P IN
#
F UNCTION
P IN
#
F UNCTION IN/OUT
1 Range Bit 0 + 2 Range Bit 0 - Output
3 Range Bit 1 + 4 Range Bit 1 - Output
5 Doing Cal + 6 Doing Cal - Output
7 Alarm/Limit 1 + 8 Alarm/Limit 1 - Output
9 Alarm/Limit 2 + 10 Alarm/Limit 2 - Output
11 Audible Alarm + 12 Audible Alarm - Output
13 Spare1+ 14 Spare1 - Input
15 Spare2 + 16 Spare2 - Input
17 Not Used 18 Not Used
19 Cal Req. Full/Zero + 20 Cal Req. Full/Zero - Input
21 Cal Req. Span + 22 Cal Req. Span - Input
23 Fault + 24 Fault - Output
Table 3-2: Digital I/O Connector Pin Out
C HART
R ANGE
BIT 0 BIT 1
1 Off Off
2 On Off
3 Off On
4 On On
Table 3-3: Range ID Logic Table
Installation involves:
• Fabricate the I/O cable with mating connector.
• Mate cable and connector to the rear panel.
• Connect opposite end(s) of cable to the input and output devices.
3.6.6 RS-232 Cable
An optional serial port is available for communication to and from a
remote computer. The port is a standard RS-232 serial communications
port and allows the user to input control functions and output data in
response to a variety of requests. A standard DB-9 male connector is
mounted on the rear panel for connection to a remote PC computer via a