Allen-Bradley 1770-M11 User Manual download pdf (Page 4)

4 SLC 500™ Chassis–Based Processors

Publication 1747-2.39

SLC 5/03™ Processor (Catalog # 1747–L531 and 1747–L532)

The SLC 5/03 processor significantly increases performance by

supplying system throughput times of 1 ms for a typical 1K user

program. Now applications such as high–speed packaging,

sorting, and material handling become more affordable. With the

addition of online editing, the SLC 5/03 processor presents a

positive solution for your continuous process application. A

built–in RS–232 channel gives you the flexibility to connect to

external intelligent devices without the need for additional

modules. The SLC 5/03 processor provides:

• program memory size of 8K or 16K

•

control of up to 4096 input and output points

• online programming (includes runtime editing)

• built–in DH–485 channel

• built–in RS–232 channel, supporting:

— DF1 Full–Duplex for point–to–point communication;

remotely via a modem, or direct connection to program-

ming or operator interface devices. (Use a 1747–CP3

cable for direct connection.)

— DF1 Half–Duplex Master/Slave for SCADA type

(point–to–multipoint) communication

— DH–485 (Serves as a second DH–485 channel. Use a

1761–NET–AIC with a 1747–CP3 cable to connect to

the DH–485 network.)

— ASCII I/O for connection to other ASCII devices, such

as bar code readers, serial printers, and weigh scales

• remote I/O passthru

• built–in real–time clock/calendar

• 2 ms Selectable Timed Interrupt (STI)

• 0.50 ms Discrete Input Interrupt (DII)

• advanced math features - trigonometric, PID, exponential,

floating point, and the compute instruction

• indirect addressing

• flash PROM provides firmware upgrades without physically

changing EPROMS

• optional flash EPROM memory module available

• keyswitch - RUN, REMote, PROGram (clear faults)

• battery–backed RAM

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Allen-Bradley 1770-M11 User Manual Page 4