MODEL: 18KPP
Rack-mounted DCS Signal Conditioners 18K-RACK
[2] OPTIONS
Power Switch
blank: None
PULSE ISOLATOR
Functions & Features
/S: With power switch
• output frequency = input frequency
• Built-in sensor power supply type
• Module can be retracted without removing wiring for an
insulation test
GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw
terminals on the front and connector on the rear; terminal
cover provided
• Optional power switch
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
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 SPECIFICATIONS
Excitation: 12 V DC ±10 % @ 40 mA; shortcircuit protection
■ Open Collector
Input pulse sensing: DC coupled
• Input Pulse (e.g. 0 - 1000 Hz)
Pulse width time requirement: ≥ 20 μsec. for ON and OFF
Sensing: Approx. 12 V DC @ 3 mA
[1] INPUT
ON/OFF level: ≤ 200 Ω / 5 V for ON, ≥ 100 kΩ / 7 V for OFF
■ Mechanical Contact
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)
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)
5: Two-wire current pulse, receiving resistor 510 Ω
(max. 10 kHz)
6: Two-wire current pulse, receiving resistor 1 kΩ
(max. 10 kHz)
■ Voltage Pulse: Square or sine waveform
Input pulse sensing: AC coupled
Input impedance: ≥ 10 kΩ
OUTPUT 1
2: Open collector (max. 10 kHz)
(Refer the graph and tables below for waveform, detection
level range, the minimum amplitude, pulse width (duty
ratio) and frequency requirements)
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.)
18KPP SPECIFICATIONS
ES-0461 Rev.1 Page 1/4
http://www.m-system.co.jp/