Teledyne IR-7000 - Non-dispersive infrared series - Manual (Page 37)

NDIR Gas Analyzer Installation 3
Teledyne Analytical Instruments., - Rev. 3 29
Null Modem cable. The pin assignment for the DB-9 connector is shown
in Figure 3-7.
The RS-232 communication parameters are fixed at:
Parameter Setting
Baud 2400
Byte 8 bits
Parity none
Stop Bits 1
The description of the RS-232 communication protocol is given in
the Appendix.
Figure 3-7: RS-232 Pin Assignment
3.6.7 Power Connections
The IR7000 is shipped configured for 120 or 230 VAC operation.
After all other electrical and gas connections have been made,
connect the AC power to the power entry module on the rear panel.
The analyzer can now be powered up for testing gas connections,
solenoid operation and internal functions through the power-on self
diagnostic test.
If the instrument successfully powers up with no error messages and
there are no gas connection or solenoid activation problems, the analyzer