Eco Physics CLD 780 TR - Interface Hardware

E C O P H Y S I C S RS-232 interface
CLD 780 TR / July 2000 101
8.2 Interface hardware
8.2.1 Interface specification
Type: RS-232 *)
Baud rate: 300/1200/2400/4800/9600 Baud *)
Start bit: 1
Data bits: 7 / 8 *)
Parity: odd/even/none *)
Stop bits: 1 / 2 *)
Signal levels: +/- 8 VDC
*) parameters selectable by menu (see section 5.2.2.2)
8.2.2 Connector pinout
Front (pin) view of 9 pin DB9 connector on instrument front panel.
------ 5 ----- 4 ----- 3 ----- 2 ----- 1 -----
o o o o o
o o o o
----- 9 ----- 8 ----- 7 ----- 6 -----
Pin number Signal Signal type Interface
1 RDO / RDI receive/transmit 0 bi-directional RS-485 not avail.
2 RxD received data input RS-232
3 TxD transmit data output RS-232
4 DTR data terminal ready output RS-232
5 GND signal ground RS-232/485
6 RD1 / TD1 receive/transmit 1 bi-directional RS-232
7 RTS request to send output RS-232
8 CTS clear to send input RS-232
9 N.C. not connected RS-232
Screen