EMS 7703 Manuel d'instructions télécharger pdf (Page 6)

EMS 7000 IRIS +

7940 ENGINEERS GUIDE v2.2 – 13/04/10

4. Programming Connection Details

4.1 The computer to transmitter physical connection details are as follows:-

COMPUTER ISOLATED RS 232 PORT

PIN 2 ---------------------------------- TX OUT

PIN 3 ---------------------------------- RX IN

PIN 5 ---------------------------------- COMMON CONNECT

4.2 All Computer to HyperTerminal connections are shown below in Figure 3.

Figure 3

TAMPER

LOOP

0V 12V

SUPPLY

COMMON

CONNECT

RX- RX+

RX TX COMMON

IN OUT

CONNECT

ISOLATED RS485 ISOLATED RS232

POWER

SUPPLY

9 PIN

SERIAL

CONNECTOR

1 2 3 4 5 6 7 8 9 10 11 ... 21 22

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EMS 7703 Manuel d'instructions Page 6