Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manuel d'utilisateur télécharger pdf (Page 68)

Addressing Rules and Examples

Chapter 4

412

Figure 4.8

Example

of Addressing Specific Bits in PLC/PLC-2 Memory

#H015$0121/010

Bit number 10 (octal)

Delimiter

Word offset from beginning of memory (octal)

Address delimiter

Remote station number

Remote data highway station delimiter

10025–I

To specify the address of data at a remote station, use the format shown in

Figure 4.9. This format applies to both PLC–3 and non–PLC–3 remote

stations. The characters #H delimit a remote Date Highway station, and

the characters #M delimit a remote modem station.

Figure 4.9

Example

of Addressing a W

ord in a Remote PLC-3 Station

#H 020 $ B 15:9

Word address at remote station

Address delimiter

Remote station number 20 (octal)

Port identification for data highway port

Remote station delimiter

#H 020 @ WORD_9

Symbolic word address defined at remote station

Remote station number 20 (octal)

Port identifier for data highway port

Remote station delimiter

10026-I

Remote station addresses are subject to the following restrictions:

Remote Station Address

Specifications

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 238 239

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Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manuel d'utilisateur Page 68