P2 - Serial - Agilent Technologies TV 551 Navigator User Manual

17 Technical Information
How to Connect the Open-Collector Inputs of the Controller
P2 – Serial
Figure 28
This is a 9 pin D-type serial input/output connector to control via an RS 232 or
RS 485 connection the TV 551/701.
Tab. 5
Pin N.
1
2
3
4
5
6
7
8
9
Note that the vent valve can also be controlled by means of the serial
NOTE
connection
A serial communication kit with a serial cable and the T-Plus software is
available (optional).
286/328
9 pin connector
Signal characteristics and use
Signal name
SPARE
TX (RS232)
RX (RS232)
SPARE
GND
A + (RS485)
SPARE
B – (RS485)
RESERVED
TV 551/701 Navigator User Manual / 87-900-934-01 (P)