ES-0471 Rev.2

18KYS

Rack-mounted DCS Signal Conditioners 18K-RACK

OUTPUT ISOLATOR

Functions & Features
• Takes 1 - 5 V DC as input
• Module can be retracted without removing wiring for an insulation test
• Capable of monitoring input signals at front terminals
• Optional power switch

MODEL: 18KYS-6[1]-R[2]

ORDERING INFORMATION

• Code number: 18KYS-6[1]-R[2]
Specify a code from below for each of [1] and [2].
(e.g. 18KYS-66-R/S)

INPUT

Voltage
6: 1 – 5 V DC (Input resistance 1 MΩ min.)

[1] OUTPUT

Current
A: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
6: 1 – 5 V DC (Load resistance 500 Ω min.)

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: Connector
Input monitor: M3.5 screw terminals (torque: 0.8 N·m)
Output: M3.5 screw terminals (torque: 0.8 N·m) and connector
Power: Supplied from connector
Screw terminal: Nickel-plated steel
Isolation: Input to output to power
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)

OUTPUT SPECIFICATIONS

The output goes below 0 % when the input is open.

INSTALLATION

Current consumption:
Approx. 30 mA with voltage output
Approx. 50 mA with current output
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 in percentage of span

Accuracy: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 500 V AC @ 1 minute (input to output to power to ground )

EXTERNAL VIEW

EXTERNAL DIMENSIONS unit: mm [inch]

TERMINAL ASSIGNMENTS

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM