Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Instrukcja Użytkownika Pobierz pdf (Strona 95)

Chapter

81

Programming Examples

This chapter presents some detailed examples of 1775–KA module

commands and message procedures.

The first set of examples shows individual commands that could be

programmed directly into a PLC–3 message (MSG) instruction. Figure

8.1 illustrates the differences in reading and writing data between two

PLC–3 stations. Figure 8.2 shows how to write different types of data to a

remote PLC–3 station. Figure 8.3 shows how to write different types of

data to a remote PLC or PLC–2 station.

Figure 8.1

Reading

and W

riting PLC-3 Data W

ord

I0012

MSG

MESSAGE TYPE 1

CTL = FB200:0000=200

CHANNEL: E2.5.1

$NA:17=#H045 $B3:5

STAT

Destination

(local)

Source

(remote)

Reading word 5 of binary file 3 at data highway station 045 into word 17 of integer file 4.

Writing word 5 of binary file 3 into word 17 of integer file 4 at data highway station 045.

I0012

MSG

MESSAGE TYPE 1

CTL = FB200:0001=200

CHANNEL: E2.5.1

#H045=N4:17 $B3:5

STAT

Destination

(local)

Source

(remote)

10032-I

General

Individual Commands

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 ... 238 239

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