Rockwell Automation 1785-LTx,D17856.2.1 Classic PLC-5 Programmable Controllers Users Manual - Manual (Page 32)

Choosing Hardware
Chapter 2
2-13
Select a memory module from Table 2.M for your PLC-5 processor.
Table 2.M
PLCĆ5 Processor Memory Modules
Nonvolatile Memory Backup (EEPROM) RAM Memory (CMOS)
Words Catalog Number (and Processor) Words Catalog Number (and Processor)
8 K 1785ĆMJ 4 K 1785ĆMR (PLCĆ5/15 and Ć5/25)
16 K 1785ĆMK (PLCĆ5/25) 8 K 1785ĆMS (PLCĆ5/15 and Ć5/25)
A battery ships with your PLC-5 processor. Select a replacement battery
using Table 2.N and Table 2.O. See the Allen-Bradley Guidelines for
Handling Lithium Batteries, publication ICCG-5.14, for more information.
Table 2.N
Processor Batteries
Processor Battery 1 Function
PLCĆ5/10, Ć5/12, Ć5/15,
and Ć5/25
1770ĆXY, AA
lithium
Retains the processor memory and the
memory in an optional CMOS RAM module
if the processor is not powered.
1 T he 1770ĆXY is a 3.6 Volt AA size lithium thionyl chloride battery manufactured by Tadiran as
their part number TL 5104 and type AEL/S.
Table 2.O
Average Battery Life
Battery Temperature Power Off 100%
(Average)
Power Off 50%
(Average)
1770ĆXY 60 ° C
25 ° C
329 days
2 years
1.4 years
3.3 years
You configure complementary I/O by assigning an I/O rack number of one
I/O chassis (primary) to another I/O chassis (complementary). You
complement I/O functions in the primary chassis with opposite functions in
the complementary chassis. Use chapter 4, “Assigning Addressing Mode,
Racks, and Groups,” in conjunction with the following selection of
complementary I/O hardware.
Selecting Memory Modules
Selecting a Replacement
Battery
Selecting
Complementary I/O