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Programmable Logic ControllerKV-8000 series

A/D Conversion unit,4-point type

KV-NC4AD

SPECIFICATIONS

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Model

KV-NC4AD

Conversion speed

80 μs/channel*1

Conversion

A/D conversion

Points

4 (single end)

Range/resolution

Voltage

-10 V to +10 V

1/8000 2.5 mV

0 to 10 V

1/4000 2.5 mV

0 to 5 V

1/4000 1.25 mV

1 to 5 V

1/3200 1.25 mV

Current

0 to 20 mA

1/4000 5 μA

4 to 20 mA

1/3200 5 μA

Conversion precision

Voltage

Without temperature
compensation

±0.3% of F.S. (at 25°C ±5°C 77°F ±9°F)
±0.5% of F.S. (at 0 to 55°C 32 to 131°F)

With temperature
compensation

±0.3% of F.S. (at 0 to 55°C 32 to 131°F)

Current

Without temperature
compensation

±0.4% of F.S. (at 25°C ±5°C 77°F ±9°F)
±0.6% of F.S. (at 0 to 55°C 32 to 131°F)

With temperature
compensation

±0.4% of F.S. (at 0 to 55°C 32 to 131°F)

Input resistance

Voltage

5 MΩ

Current

250 Ω

Absolute maximum input

Voltage

±15 V

Current

±30 mA

Isolation method

Between analog input

Isolated (photocoupler, transformer)

Between analogu input channels

No isolation

Minimum load resistance

Voltage

Maximum load resistance

Current

Special functions

Input range switching,
temperature fluctuation compensation enabling/disabling,
channel skip, scaling, special data offset, peak-/bottom-hold,
zero clip, zero shift, comparator,
averaging (time-specified, count-specified, moving average),
disconnection detection,

*1 When the temperature fluctuation compensation is used, the temperature fluctuation compensation time of 80 μs will be added regardless of the number of channels being used.

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