Programmable Controller

KV-5000/3000 series

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This model has been discontinued.

Recommended Replaceable Products: FL-net Unit - KV-FL20V

FL-net Unit KV-FL20

KV-FL20 - FL-net Unit




General specifications

Current consumption

80mA Max

Power voltage

24 VDC ± 10% (supplied by the CPU unit)

Operating ambient temperature

0 to +50°C (no freezing)

Operating ambient humidity

35 to 85%RH(no condensation)

Ambient temperature for storage

-20 to +70°C

Operating environment

Minimal amount of dust and corrosive gas present

Noise immunity

1,500 Vp-p or more, pulse width: 1 µs, 50 ns (by way of a noise simulator), conforms to IEC standards (IEC 61000, 4-2/3/4/6)*1

Withstand voltage

1,500 VAC for 1 minute

Vibration resistance

Intermittent vibration

Frequency: 10 to 57 Hz

Amplitude: 0.075 mm*2

Frequency: 57 to 150 Hz

Acceleration: 9.8 m/s2*2

Continuous vibration

Frequency: 10 to 57 Hz

Amplitude: 0.035 mm*2

Frequency: 57 to 150 Hz

Acceleration: 4.9 m/s2*2

Performance specification

Transmission specifications

Transmission rate

10 Mbps (10BASE-T), 100 Mbps (100BASE-TX)

Transmission method


Performance specifications



Conforms to IEEE802.3 (conforms to CSMA/CD)

Transmission protocol

UDP/IP FA link protocol

Maximum cable length


Maximum number of nodes


Amount of cyclic data

Maximum (8,000 bits + 8,000 words), system maximum (8,000 bits + 8,000 words), node

Message data amount

1,024 bytes maximum

Token frequency time

50 ms/32 nodes (when there are 2,000 bits + 2,000 words for all nodes)

Message transmission time

500 ms (1:1 one-direction message arrival time)

Token holding time

1.56 ms (when area 1 has 4 words and area 2 has 64 words)

Link data specifications

Common memory area

Normal refresh region

Bit region (relay)

8,000 bits (512 words)

Word region (data memory)

8,000 words*4

High-speed refresh region

Bit region (relay)


Word region (data memory)

100 words*4

Status memory area

Bit region (relay)

32 bits (2 words)

Word region (data memory)

200 words

Message region (transient region)

Bit region (relay)


Word region (data memory)

512 words (1,024 bytes) × 2 (1 for transmission and 1 for reception)


approx 120g

*1 When the noise filter for communication and the noise filter for the DC power supply are mounted
*2 Conforms to JIS B 3502 IEC61131-2
Number of sweeps: 10 times respectively in the X, Y, and Z directions, 80 minutes
*3 The maximum cable length is the distance between the KV-FL20 and the Ethernet switch hub.
*4 The total of the normal refresh area and high-speed refresh area is 8,000 words maximum.

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