KEYENCE KL-4AD A/D Conversion Unit, 4 Analog Input Channels

General specifications

Current consumption

150mA or less

Vibration resistance

10 to 55 Hz, 1.5 mm or less double amplitude for 2 hours in each of the X, Y, and Z directions

Power voltage

24 VDC ± 10%

Operating ambient temperature

0 to 60°C

Operating ambient humidity

35 to 85%RH

Operating environment

Minimal amount of dust and corrosive gas present

Withstand voltage

1,500 VAC for 1 minute (between the batch of external input terminals, the case, and the batch of power supply terminals)

Insulation resistance

50 MΩ or more (between the batch of external input terminals, the case, and the batch of power supply terminals)

Weight

approx 180g

Performance specifications

Number of analog inputs

4 (can be changed to 2 by way of DIP switches)

Input range (resolution)

Voltage

0 to +5V (1.25mV 1/4000)+1 to +5V (1mV 1/4000)0 to +10V (2.5mV 1/4000)-10 to +10V (2.5mV 1/8000)

Current

0 to 20 mA (5 µA 1/4000), 4 to 20 mA (4 µA 1/4000)

Absolute maximum input

Voltage

±15 V

Current

30mA

Input impedance

Voltage

1 MΩ

Current

250 Ω

Conversion speed

High-speed mode: 200 µs/ch, average mode: 1.6 ms/ch

Total accuracy (25°C)

Voltage

Average mode: 0.2% of F.S., high-speed mode: 0.5% of F.S.

Current

Total accuracy (0 to 60°C)

Voltage

Average mode: 0.4% of F.S., high-speed mode: 0.7% of F.S.

Current

Isolation mode

Photocoupler isolation (channels are not isolated from each other)

Noise resistance

Normal mode

500 Vp-p, 1 µs, 50 ns (measured with a noise simulator)

Common mode

1,500 Vp-p (measured with a noise simulator)