Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual - Manual (Page 171)

Design Worksheets
Appendix B
B-21
Select a Classic PLCĆ5 Processor
For more information on: See:
Selecting a processor
Selecting optional memory modules
Selecting a replacement battery
Classic 1785 PLCĆ5 Programmable Controllers User Manual, publication 1785Ć6.2.1,
Chapter 2:
Choosing a Classic PLCĆ5 Processor for Your Application
Selecting Memory Modules
Selecting a Replacement Battery
Selecting a backup system PLCĆ5 Backup Communication Module User Manual, publication 1785Ć6.5.4
8. Make copies of both sides of this worksheet for each chassis that requires a processor.
9. For each chassis that requires a processor, use the table below to help you determine which
processor to use.
Total Memory
Required
Total Number
of Racks
Total Number
of Chassis
Need a Serial
Port?
Required Program
Scan Time
Total Number
of DH+ Ports
Total Number of
Remote I/O Ports
10. Record your Classic PLC-5 processor choice below.
Classic PLC-5 processor is: _______________________________
It will reside in chassis no.: _______________________________
The current required is: _______________________________
11. Select additional memory for your classic PLC-5 processor. Circle or highlight your selection in
the
table below.
Nonvolatile Memory Backup (EEPROM) RAM Memory (CMOS)
Words Catalog Number (and Processor) Words Catalog Number (and Processor)
8 K 1785ĆMJ (PLCĆ5/10, Ć5/12, Ć5/15, Ć5/25) 4 K 1785ĆMR (PLCĆ5/15 and Ć5/25)
16 K 1785ĆMK (PLCĆ5/25) 8 K 1785ĆMS (PLCĆ5/15 and Ć5/25)
12. Select a 1770-XY, AA lithium replacement battery for your classic PLC-5 processor.
BOM