ES-0461 Rev.2
18KPP
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 of [1] and [2].
(e.g. 18KPP-322-R/S)
[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)
■
Two-wire Current Pulse
Input pulse sensing
: AC coupled
Refer to the table above for the minimum amplitude, pulse width (duty ratio) and frequency requirements.
Convert the current to the voltage for the amplitude.
OUTPUT SPECIFICATIONS
Open collector
Rating
: 30 V DC @ 100 mA (resistive load)
Maximum frequency
: 10 kHz
Saturation voltage
: 0.5 V DC
INSTALLATION
Current consumption
: Approx. 80 mA
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Standard Rack 18KBXx
Weight
: 150 g (0.33 lb)
PERFORMANCE
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 500 V AC @ 1 minute (input to output 1 to output 2 to power to ground)
EXTERNAL VIEW
EXTERNAL DIMENSIONS unit: mm [inch]
TERMINAL ASSIGNMENTS
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM