Mitsubishi Electric MELSEC-Q Series

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3 REPLACEMENT OF I/O MODULE

3 - 6

Input module

A1SX71 (24VDC,

negative common)

QX81

1) External wiring: changed

2) Number of slots: not changed

3) Program

Number of occupied I/O points: not changed

4) Specifications

Rated input voltage: not changed

Rated input current: changed (Approx.7mA Approx.4mA)

On voltage/on current: changed

Off voltage/off current: changed

Input resistance: changed

5) Function: not changed

QX81-S2

1) External wiring: changed

2) Number of slots: not changed

3) Program

Number of occupied I/O points: not changed

4) Specifications

Rated input voltage: not changed

Rated input current: changed (Approx.7mA Approx.6mA)

On voltage/on current: changed

Off voltage/off current: changed

Input resistance: changed

5) Function: not changed

A1SX71

(5VDC, 12VDC)

QX71

1) External wiring: not changed

2) Number of slots: not changed

3) Program

Number of occupied I/O points: not changed

4) Specifications

Rated input voltage: not changed

Rated input current: not changed

On voltage/on current: not changed

Off voltage/off current: not changed

Input resistance: changed

5) Function: not changed

A1SX80 (24VDC,

positive common)

QX40

1) External wiring: changed

2) Number of slots: not changed

3) Program

Number of occupied I/O points: not changed

4) Specifications

Rated input voltage: not changed

Rated input current: changed (Approx.7mA Approx.4mA)

On voltage/on current: changed

Off voltage/off current: changed

Input resistance: changed

5) Function: not changed

A1SX80 (24VDC,

negative common)

QX80

1) External wiring: changed

2) Number of slots: not changed

3) Program

Number of occupied I/O points: not changed

4) Specifications

Rated input voltage: not changed

Rated input current: changed (Approx.7mA Approx.4mA)

On voltage/on current: changed

Off voltage/off current: changed

Input resistance: changed

5) Function: not changed

AnS/QnAS series model Q series alternative model

Product Model Model Remarks (restrictions)

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Mitsubishi Electric MELSEC-Q Series - Page 59

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