Watlow Series 734 Data Communications Manual de usuario descargar pdf (Pagina 5)

WATLOW Series 733/734

How to Use Data Communications

RS-423

Figure 2 -

EIA/TIA-423 Inter-

face, Pin Designa-

tions.

NOTE:

The Electronic

Industry Associa-

tion (EIA) EIA/TIA-

423 standard

recommends a

maximum 50 foot

total point-to-point

distance.

EIA/TIA-423 Interface Pinouts (EIA/TIA-232 Compatible)

73xx-xxxx-xBxx

The EIA/TIA-423 communications uses a three wire (full duplex) system. There is

a separate line for transmitting, a line for receiving data, and a line for signal

common between the computer and the Series 733/734. With EIA/TIA-423 you

can have only one Series 733/734 control connected to a single computer.

This diagram is a typical wiring example. The connections on the host computer

may vary depending on models. Refer to your computer user's manual for more

information.

Series 733

(1 unit only)

Transmit

Receive

Common

1 2 3 4 5

6 7 8 9

DB-9 Pinouts

1 DCD

2 receive

3 transmit

4 DTR

5 common

6 DSR

7 RTS

8 CTS

DB-9 female viewed from wire side

(typical connections with jumpers)

1 2 3 4 5 6 7 8 9 10 ... 23 24

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Watlow Series 734 Data Communications Manual de usuario Pagina 5

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