Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual User Manual

Page 124

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Message Packet Formats

Chapter 5

5-45

2.

PLC-5 LOGICAL BINARY ADDRESS — Contains the logical
address of a PLC-5 file, element, and subelement. Chapter 6 gives
more details about the contents of this address field.

3.

PLC-5 LOGICAL ASCII ADDRESS — Contains the logical
address of a PLC-5 file, element, or subelement expressed as a string
of ASCII characters. Chapter 6 gives more details about the contents
of this address field.

4.

PLC-5 PHYSICAL ADDRESS — Contains the physical address
of a PLC-5 word. Chapter 6 gives more details about the contents of
this address field.

5.

TOTAL TRANS — Contains the total number of data elements
transferred by the current transaction. This is the total number of
PLC-5 elements to be transferred in the DATA fields of all message
packets in the current transaction. The value of PACKET OFFSET
is zero for the first packet in a transaction.

Download All Request

Use this command before downloading a complete system to place the
processor in a Download mode. A no privilege error is returned if the
requestor does not have the privilege of placing the processor in a
Download mode. This error occurs when:

the processor is in Run or Remote Run mode (must be in Program or

Remote Program mode),

the processor is being edited, or
some other station is already downloading to the processor.

The format for this message is as follows:

Command Format:

Reply Format:

TNS

STS

CMD

0F

SRC

DST

TNS

STS

CMD

4F

SRC

DST

FNC

50

EXT

STS

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