Rockwell-automation 57C423 Common Memory Module Manual do Utilizador descarregar pdf (Página 33)

DĆ1

Appendix D

Summary of Common

Memory Module Features

M/N 57C413

This module has 128K bytes of memory and requires external battery backup

(M/N 57C492) to mainain the contents of memory in the event of a power failure.

M/N 57C413B

This module has 128K bytes of memory and an onĆboard lithium battery to

maintain the contents of memory in the event of a power failure.

M/N 57C423

This module has 256K bytes of memory available when plugged into slot 0, and

128K bytes available when plugged into any other nonĆzero slot. An onĆboard

lithium battery maintains the contents of memory in the event of a power failure.

This module is supported only by the following Program Executive version: 2.1E,

and 3.1C and later.

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Rockwell-automation 57C423 Common Memory Module Manual do Utilizador Página 33