Sharp PC-A500 Instrukcja Użytkownika Pobierz pdf (Strona 27)

1-22

Multi-drop Communication (RS-422)

Refer to the PLC manual of each manufacturer for connection.

<E.g.>

The following example describes how one ZM-62E is connected to three PLCs made by MITSUBISHI.

See MITSUBISHI’s manual for further details.

Signal

FG

RDA

RDB

SDA

SDB

SG

Link unit

Signal

FG

RDA

RDB

SDA

SDB

SG

Link unit

SD/RD terminal resistance

(ON)

Signal

Pin No.

FG

+SD

-SD

+RD

-RD

SG

1

12

13

24

25

7

ZM-62E (CN1)

* Use twist shielded cable.

Signal

FG

RDA

RDB

SDA

SDB

SG

Link unit

1 1 : n (Multi-drop) Communications

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 67 68

Komentarze do niniejszej Instrukcji

Brak uwag