Rockwell Automation 1785-Vx0B, D17856.5.9 PLC-5 VME VMEbus Programmable Controllers User Manual User Manual

Page 86

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Chapter 6

PLC-5/VME Processor
Communications Commands

6-17

Example of Character String
The first byte(s) are the descriptor (field a), followed by the character
string (field b). The string is not NULL determined.

00111001

Bit 76543210

00010111

01010100

a

ID = 3 for CS
Size in next byte

value = this is a fine example.

01101000

01101001

01110011

Size = 23 bytes

01101100

ASCII l

01100101

ASCII T

ASCII h

ASCII i

ASCII e

ASCII s

b

00101110

ASCII .

00110011

Bit 76543210

01000011

01100001

a

ID = 3
Size = 3

01110100

ASCII C

ASCII a

ASCII t

b

value = Cat

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