MODEL: 18KPP

18KPP SPECIFICATIONS

ES-0461 Rev.1 Page 1/4

http://www.m-system.co.jp/

Rack-mounted DCS Signal Conditioners 18K-RACK

PULSE ISOLATOR

Functions & Features

• output frequency = input frequency

• Built-in sensor power supply type

• Module can be retracted without removing wiring for an

insulation test

• Optional power switch

MODEL: 18KPP–[1]22–R[2]

ORDERING INFORMATION

• Code number: 18KPP-[1]22-R[2]

Specify a code from below for each [1] and [2].

(e.g. 18KPP-322-R/S)

• Input Pulse (e.g. 0 - 1000 Hz)

[1] INPUT

1: Mechanical contact (max. 5 Hz)

2: Open collector (max. 10 kHz)

3: Voltage pulse (max. 10 kHz)

4: Two-wire current pulse, receiving resistor 200 Ω

(max. 10 kHz)

5: Two-wire current pulse, receiving resistor 510 Ω

(max. 10 kHz)

6: Two-wire current pulse, receiving resistor 1 kΩ

(max. 10 kHz)

OUTPUT 1

2: Open collector (max. 10 kHz)

OUTPUT 2

2: Open collector (max. 10 kHz)

(Output 1 and 2 frequency is equal)

POWER INPUT

DC Power

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[2] OPTIONS

Power Switch

blank: None

/S: With power switch

GENERAL SPECIFICATIONS

Construction: Rack-mounted; terminal access via screw

terminals on the front and connector on the rear; terminal

cover provided

Connection

Input: M3.5 screw terminals (torque 0.8 N·m)

and connector

Output 1: Connector

Output 2: M3.5 screw terminals (torque 0.8 N·m)

and connector

Power input: Supplied from connector

Screw terminal: Nickel-plated steel

Isolation: Input to output 1 to output 2 to power

Frequency range: Input and output are the same.

Chattering protection: Filter provided for mechanical

contact input

INPUT SPECIFICATIONS

Excitation: 12 V DC ±10 % @ 40 mA; shortcircuit protection

■ Open Collector

Input pulse sensing: DC coupled

Pulse width time requirement: ≥ 20 μsec. for ON and OFF

Sensing: Approx. 12 V DC @ 3 mA

ON/OFF level: ≤ 200 Ω / 5 V for ON, ≥ 100 kΩ / 7 V for OFF

■ Mechanical Contact

Input pulse sensing: DC coupled

Pulse width time requirement: ≥ 20 msec. for ON and OFF

Sensing: Approx. 12 V DC @ 3 mA

ON/OFF level: ≤ 200 Ω / 5 V for ON, ≥ 100 kΩ / 7 V for OFF

Time constant: 10 msec. (able to cancel it by changing

jumper, J6)

■ Voltage Pulse: Square or sine waveform

Input pulse sensing: AC coupled

Input impedance: ≥ 10 kΩ

(Refer the graph and tables below for waveform, detection

level range, the minimum amplitude, pulse width (duty

ratio) and frequency requirements)