KV-N8EXR Expansion Unit

This document provides specifications for the KV-N8EXR expansion unit.

Input Expansion Unit

Connection Method

Terminal block

Number of Inputs

8

Input Terminals

24 VCD mode, 5 VCD mode

Maximum Input Voltage

26.4 VCD

Nominal Input Voltage

24 VCD mode: 5.3 mA

5 VCD mode: 1 mA

Minimum ON Voltage

24 VCD mode: 19 V

5 VCD mode: 3.5 V

Maximum OFF Current

24 VCD mode: 1.5 mA

Maximum OFF Voltage

5 VCD mode: 1.5 V

Common Point Mode

8 points/1 common (1 terminal)

• *1 The input and output COM terminals are independent.

Input Time Constant (Four-Level Switching)

Input Time Constant Adjustment

• OFF to ON: Typ. 25 µs: 10 µs, 300 µs: 240 µs, 1 ms: 1 ms, 10 ms: 10 ms
• OFF to ON: Max. 25 µs: 50 µs, 300 µs: 290 µs, 1 ms: 1.2 ms, 10 ms: 11 ms
• ON to OFF: Typ. 25 µs: 50 µs, 300 µs: 280 µs, 1 ms: 1 ms, 10 ms: 10 ms
• ON to OFF: Max. 25 µs: 150 µs, 300 µs: 390 µs, 1 ms: 1.2 ms, 10 ms: 11 ms

Input Impedance

4.3 kΩ

Output Expansion Unit

Number of Outputs

8

Output Mode

Relay

Nominal Load

250 VCA/30 VCD 2A

Leakage Current in OFF State

―

Residual Voltage in ON State

―

Resistance in ON State

50 mΩ or less

Common Point Mode

4 points/1 common (2 terminals)

• *1 The KV-N8EXR has two output terminals for each of C1 and C2, respectively, but each pair is internally shared. (C1 and C2 are isolated)

Response Time

• OFF to ON: 10 ms or less
• ON to OFF: ―

Relay Life

• Electrical: 100,000 cycles or more (20 cycles/minute)
• Mechanical: 20,000,000 cycles or more

Relay Replacement

Impossible

Internal Current Consumption

60 mA or less

Weight

Approx. 230 g