MODEL: 18KMS
Rack-mounted DCS Signal Conditioners 18K-RACK
GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw
terminals on the front and connector on the rear; terminal
cover provided
POTENTIOMETER CONVERTER
Functions & Features
Connection
• Constant voltage method has no effect on the total
resistance value
Input: M3.5 screw terminals (torque 0.8 N·m)
and connector
• Minimal interaction between zero and span adjustments
• Module can be retracted without removing wiring for an
insulation test
Output 1: Connector
Output 2: M3.5 screw terminals (torque 0.8 N·m)
and connector
• Optional power switch
Power input: Supplied from connector
Screw terminal: Nickel-plated steel
Isolation: Input to output 1 to output 2 to power
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment: 0 – 50 % of total resistance (front)
Span adjustment: 50 – 100 % of total resistance (front)
INPUT SPECIFICATIONS
Minimum span: 50 % of total resistance
Excitation: Approx. 0.2 V DC
MODEL: 18KMS–66–R[1]
INSTALLATION
Current consumption: Approx. 35 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)
ORDERING INFORMATION
• Code number: 18KMS-66-R[1]
Specify a code from below for [1].
(e.g. 18KMS-66-R/S)
INPUT POTENTIOMETER
Total resistance 100 Ω – 10 kΩ
PERFORMANCE in percentage of span
Accuracy: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
OUTPUT 1
Voltage
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 1
to output 2 to power to ground)
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
OUTPUT 2
Voltage
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
POWER INPUT
DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
[1] OPTIONS
Power Switch
blank: None
/S: With power switch
18KMS SPECIFICATIONS
ES-0416 Rev.1 Page 1/3
http://www.m-system.co.jp/