4HARDWARE SPECIFICATION OF THE CPU MODULE

Performance Specifications (continued)

MELSEC-Q

Number of device points

 

 

 

 

Model

 

Item

 

 

 

 

 

 

Remark

 

Q02CPU

Q02HCPU

Q06HCPU

Q12HCPU

 

 

 

Q25HCPU

 

Internal relay [M]

 

 

Default 8192 points (M0 to 8191)

 

 

Latch relay [L]

 

 

Default 8192 points (L0 to 8191)

 

 

Link relay [B]

 

 

Default 8192points (B0 to 1FFF)

 

 

Default 2048 points (T0 to 2047) (for low / high speed timer)

 

 

 

Select between low / high speed timer by instructions.

 

Timer [T]

The measurement unit of the low / high speed timer is set with

 

parameters.

 

: 1 to 1000ms, 1ms/unit, default 100ms)

 

 

(Low speed timer

 

 

(High speed timer

: 0.1 to 100ms, 0.1ms/unit, default 10ms)

 

 

Default 0 point(for low / high speed retentive timer)

 

 

 

Switchover between the low / high speed retentive timer is set by

 

 

instructions.

 

 

 

 

 

Number of use points

 

 

 

 

 

 

 

 

 

Retentive timer [ST]

The measurement unit of the low /high speed retentive timer is set with is set with parameters.

 

 

parameters.

 

 

 

 

 

 

 

 

(Low speed retentive timer : 1 to 1000ms, 1ms/unit, default 100ms)

4

 

(High speed retentive timer : 0.1 to 100ms, 0.1ms/unit, default 10ms)

 

• Normal counter default 1024 points (C0 to 1023)

 

 

Counter [C]

• Interrupt counter maximum 256 points

 

 

(default 0 point, set with parameters)

 

 

Data register [D]

 

 

Default 12288 points (D0 to 12287)

 

 

Link register [W]

 

 

Default 8192 points (W0 to 1FFF)

 

 

Annunciator [F]

 

 

Default 2048 points (F0 to 2047)

 

 

Edge relay [V]

 

 

Default 2048 points (V0 to 2047)

 

When a standard RAM is used:

Q02CPU ..........................32768 points (R0 to 32767)

Q02HCPU, Q06HCPU.....The number of points of up to 65536 points

can be used by block conversion in increments of 32768 points (R0 to 32767)

Q12HCPU, Q25HCPU.....The number of points of up to 131072

points can be used by block conversion in increments of 32768 points (R0 to 32767)

 

 

• When a SRAM card (1Mbyte) is used:

 

 

[R]

The number of points of up to 517120 points can be used by block

 

 

conversion in increments of 32768 points (R0 to 32767).

 

 

 

• When a SRAM card (2Mbyte) is used:

 

 

 

The number of points of up to 1041408 points can be used by block

 

 

 

conversion in increments of 32768 points (R0 to 32767).

When a Flash card is

 

 

• When a Flash card (2Mbyte) is used:

 

 

The number of points of up to 1041408 points can be used by block

used, read only is

 

 

conversion in increments of 32768 points (R0 to 32767).

File register

possible.

• When a Flash card (4Mbyte) is used:

 

 

The number of points of up to 1042432 points can be used by block

The ATA card cannot

 

 

conversion in increments of 32768 points (R0 to 32767).

be used.

 

 

• When a standard RAM is used:

 

 

 

 

 

Q02CPU ..........................32768 points (ZR0 to 32767)

 

 

 

Q02HCPU, Q06HCPU.....65536 points (ZR0 to 65535), No block

 

 

 

conversion necessary.

 

 

 

Q12HCPU, Q25HCPU.....131072 points (ZR0 to 131071), No block

 

 

 

conversion necessary.

 

 

[ZR]

• When a SRAM card (1Mbyte) is used:

 

 

517120 points (ZR0 to 517119) , No block conversion necessary.

 

 

 

 

 

 

• When a SRAM card (2Mbyte) is used:

 

 

 

1041408 points (ZR0 to 1041407), No block conversion necessary.

 

 

 

• When a Flash card (2Mbyte) is used:

 

 

 

1041408 points (ZR0 to 1041407), No block conversion necessary.

 

 

 

• When a Flash card (4Mbyte) is used:

 

 

 

1042432 points (ZR0 to 1042431), No block conversion necessary.

 

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