Executing Automatic Loading - Omron CS1W-MC221 - 02-2008 Operation Manual

Motion control units

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Automatic Loading

6-16-1 Executing Automatic Loading

Be sure that the program can be compiled by CX-Motion before transferring

the program with automatic loading. Programs that cannot be compiled will

not be transferred.

Personal computer running CX-Motion

1. The MC Unit's job number is always monitored by CX-Motion.

2. Using the IOWR instruction, a new job number is written to the job number

currently in the MC Unit.

3. When CX-Motion detects the specified job number, the program and posi-

tion data are downloaded to the MC Unit from the file for that job number

created by CX-Motion.

4. Before downloading the program and position data, CX-Motion deletes

from the MC Unit all of the programs for all tasks. Then it downloads the

program and position data for the specified job number.

5. When the downloading has been completed, the CPU Unit is notified from

the MC Unit. While the program and position are being downloaded, the

Autoloading Bit in the PLC Interface Area turns from OFF to ON, and when

the downloading is completed normally it turns from ON to OFF.

To execute automatic loading, set one of the following addresses for the con-

trol code (C) of the IOWR instruction and then transfer the job number to the

For details on the Command Area, refer to 3-6 Command Area. For details on

IOWR instruction specifications, refer to SECTION 4 Data Transfer and Stor-

P000, P001...

Section 6-16

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