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6-3SectionHandling
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Caution If the PC is in RUN or MONITOR mode when downloading is started, it will auto-
matically switch to PROGRAM mode and operation will stop. Confirm that no
adverse effects will occur to the system before downloading. Not doing so may
result in unexpected operation.
Note 1. If the PC is in RUN or MONITOR mode, switch the PC mode to PROGRAM
mode.
2. Confirm that the program or other data to be downloaded to the PC is com-
patible with the PC before downloading.
3. For the CQM1 or CQM1H, when downloading programs that use user-as-
signed function codes for expansion instructions, be sure that pin 4 on the
CPU Units DIP switch is ON. If these programs are downloaded while the
pin is OFF, the assignments for the expansion instructions will return to their
default settings.
4. After downloading has been completed, be sure to confirm the user pro-
gram, data, and expansion instructions.
5. When the DOWNLOAD TO PLC Button is pressed, all EEPROM data (lad-
der programs, data memory etc.) is written to the PC.
Peripheral port
PERIPHERAL
RS-232C