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2. Programming Concepts

2.4 SX2 Memory Map

Specifications

Control Method Stored program, cyclic scan system

Batch processing method (when END instruction is

executed)

I/O Processing Method

Execution Speed LD instructions – 0.54μs, MOV instructions – 3.4μs

Program language Instruction List + Ladder + SFC

Program Capacity 15872 steps

X External inputs

X0~X377, octal number system, 256

points max.

Y External outputs

Y0~Y377, octal number system, 256

points max.

Total

480+14

I/O(*4)

General

M0~M511, 512 points, (*1)

M768~M999, 232 points, (*1)

M2000~M2047, 48 points, (*1)

Latched

M512~M767, 256 points, (*2)

M2048~M4095, 2048 points, (*2)

M

A

uxiliary

relay

Special

M1000~M1999, 1000 points, some

are latched

Total

4096 points

T0~T126, 127 points, (*1)

T128~T183, 56 points, (*1)

T184~T199 for Subroutines, 16

points, (*1)

100ms

(M1028=ON,

T64~T126:

10ms)

T250~T255(accumulative),

6 points (*1)

T200~T239, 40 points, (*1)

10ms

(M1038=ON,

T200~T245: 1ms)

T240~T245(accumulative),

6 points, (*1)

T Timer

1ms

T127, 1 points, (*1)

T246~T249(accumulative), 4 points,

(*1)

Total

256 points

C0~C111, 112 points, (*1)

C128~C199, 72 points, (*1)

16-bit count up

C112~C127, 16 points, (*2)

C200~C223, 24 points, (*1)

32-bit count

up/down

C224~C231, 8 points, (*2)

Total

232 points

Bit

Contacts

Counter

C

Total

32bit Soft-

C235~C242, 1 phase 1 input, 8

points, (*2)

23 points

high- ware

2-11

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 701 702

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