Setting backplane switches – Rockwell Automation 1785-M100_ME16_ME32_ME64 INSTL DATA ENHANCED ETHERNET PLC-5 User Manual
Page 4

Installation Data
PLCĆ5/11, Ć5/20, Ć5/30, Ć5/40, Ć5/40L, Ć5/60
Programmable Controller Memory Module
Installation Data
Enhanced PLCĆ5 and Ethernet PLCĆ5
Programmable Controller Memory Module
4
Set the I/O chassis backplane switches before you install the PLC-5
processor. Use a ballpoint pen to set each switch (do not use a pencil
because the tip can break off and short the switch).
18594
ON (Closed)
OFF (Open)
Backplane
Switches
Backplane
switches
Use Table 2 to select the mode of memory transfer at power-up.
Table 2
Selecting Mode of Memory Transfer and Switch Settings
If you want the contents of the memory module:
Then set switch 6:
And set switch 7:
to transfer to processor memory at every powerĆup
OFF
OFF
to transfer to processor memory when a defect is detected in existing
processor memory
ON
ON
not to transfer to processor memory at powerĆup; if the processor
memory is not valid, a processor fault occurs.
ON
OFF
Setting Backplane Switches