Rockwell Automation 1785-Vx0B, D17856.5.9 PLC-5 VME VMEbus Programmable Controllers User Manual - Manual (Page 94)

Chapter 6
PLC-5/VME Processor
Communications Commands
6-25
Use this command to return the PLC-5/VME processor from
download/program to Program mode after downloading memory. Now,
your driver program can change the PLC-5/VME processor’s operating
mode to run or Run/Program to resume processor operation.
See the “Header Bit/Byte Descriptions” section on page 6-4 for a
description of each byte.
Message Format
DST
00
PSN
00
SRC
00
PSN
00
CMD
0F
STS
00
TNS FNC
52H
Command Packet
DST
00
PSN
00
SRC
00
PSN
00
CMD
4FH
STS EXT
STS
Reply Packet
TNS LNH
Hi
LNH
Lo
Error Codes
The PLC-5/VME processor reports errors, if detected, in its reply packet
as follows:
STS EXT STS Description
00H – No error
F0H 0BH Access denied
0DH PLC-5/VME processor already available
Refer to page D-3 for additional information on PCCC status codes.
Sample API Module
For a sample
interface
header file: Refer to page: For a sample
implementation
source file: Refer to page:
P40VDLC.H B-55 P40VDLC.C B-56
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