Rockwell-automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command Instrukcja Użytkownika Pobierz pdf (Strona 119)

7–32 Communication Commands

Publication

17706.5.16 - October 1996

unprotected write

1774-PLC, PLC-2, PLC-3, PLC-5

Writes words of data into any area of PLC and PLC-2 data table

memory. In PLC-3 and PLC-5 processors, the data is written into the

PLC-2 compatibility file.

CMD

STS

TNS ADDR

STS

TNS

CMD

Data

(max. 244 bytes)

DST SRC

SRC DST

SLC 500, MicroLogix 1000

Writes data to a common interface file (CIF). The SLC CIF is data

file number 9; the MicroLogix CIF is integer file 7.

CMD

STS

TNS

CMD

STS

TNS

DST SRC

SRC DST

Address

Low High

Address

- Logical of

fset into the CIF

. V

alue is in words or bytes as shown below:

SLC 500, SLC 5/01 and SLC 5/02 (SLC 5/02 prior to series C FRN 3) processors use word addressing

SLC 5/02 series C FRN 3 and later, SLC 5/03, and SLC 5/04 processors select word or byte addressing

for S:2/8 = 0 (default)  word addressing is used

for S:2/8 = 1  byte addressing is used

Data - Data to be written. This size of the data is implied by the number of data bytes sent.

for SLC 500, SLC 5/01 and SLC 5/02 processors: valid range is 0  94 bytes (odd or even)

for SLC 5/03 and 5/04 processors - with internet protocol: valid range is 0  223 bytes (odd or even)

without internet protocol: valid range is 0  234 bytes (odd or even)

Data (size implied by

data sent)

• 1774PLC

• PLC2

• PLC3

• PLC5

•

SLC 500

•

MicroLogix 1000

1 2 ... 114 115 116 117 118 119 120 121 122 123 124 ... 250 251

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Rockwell-automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command Instrukcja Użytkownika Strona 119

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