Allen-Bradley 1770-M11 User Manual download pdf (Page 3)

SLC 500™ Chassis–Based Processors 3

Publication 1747-2.39

Supports a host of third–party products through the Allen–Bradley

Encompass Program.

The Encompass Program provides access to

products and services that increase your application capabilities.

Overview of the

Processors

The SLC 500 processor product line offers five types of chassis–

based processors.

SLC 5/01

™

Processor (Catalog # 1747–L511 or 1747–L514)

The SLC 5/01 processor offers the instruction set of the SLC 500

fixed controller in a modular hardware configuration. The SLC 5/

01 processor provides:

• two choices of program memory size - 1K or 4K instructions

• control of up to 3840 input and output points

• powerful ladder logic programming instruction set

• subroutines

• a DH–485 communication channel (peer–to–peer

communication response to message commands only)

• capacitor backup for the –L511; battery backup for the –

L514

SLC 5/02

™

Processor (Catalog # 1747–L524)

The SLC 5/02 processor offers additional instructions, increased

diagnostics, faster throughput, and additional peer–to–peer

communication options; building on what the SLC 5/01

processors offer. The SLC 5/02 processor provides:

• program memory size of 4K instructions

• control of up to 4096 input and output points

• PID - used to provide closed loop process control

• indexed addressing

• interrupt capability

• user fault routines

• ability to handle 32–bit signed math functions

• built–in DH–485 communication channel (initiation of peer–

to–peer communication)

• battery–backed RAM

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Allen-Bradley 1770-M11 User Manual Page 3