MODEL: 18KJDN
Rack-mounted DCS Signal Conditioners 18K-RACK
[1] OPTIONS
Power Switch
blank: None
CURRENT LOOP SUPPLY
(with square root extractor)
/S: With power switch
Functions & Features
• 2-wire transmitter circuit with short-circuit protection
• Applicable to smart transmitters
• Can also be used as a 4 - 20 mA DC square root extractor
• Module can be retracted without removing wiring for an
insulation test
RELATED PRODUCTS
• Programming Unit (model: PU-2x)
• PC configurator software (model: JXCON)
Downloadable at M-System’s web site.
A dedicated cable is required to connect the module to the
PC. Please refer to the internet software download site or
the users manual for the PC configurator for applicable
cable types.
• Optional power switch
Typical Applications
• Various 2-wire transmitters
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
MODEL: 18KJDN–A66–R[1]
Power input: Supplied from connector
Screw terminal: Nickel-plated steel
Isolation: Input to output 1 to output 2 to power
Overrange output: 0 – 105 % at 1 – 5 V
Adjustments: Programming Unit (model: PU-2x);
(For settings programable with JXCON, refer to its
instruction manual)
ORDERING INFORMATION
• Code number: 18KJDN-A66-R[1]
Specify a code from below for [1].
(e.g. 18KJDN-A66-R/S)
•Zero and span
INPUT
Current
Low-end cutout: Output is proportional to input when the
output is less than approx. 5 %
A: 4 – 20 mA DC (Input resistance 250 Ω)
OUTPUT 1
Voltage
Approx. 6%
Approx. 5%
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
0
OUTPUT 2
INPUT
Voltage
6: 1 – 5 V DC (Load resistance 2000 Ω min.)
SUPPLY OUTPUT
Output voltage: 24 – 28 V DC with no load
Current rating: ≤ 22 mA DC
• Shortcircuit Protection
POWER INPUT
DC Power
R: 24 V DC
Current limited: 30 mA max.
Protected time duration: No limit
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
18KJDN SPECIFICATIONS
ES-0425 Rev.2 Page 1/4
http://www.m-system.co.jp/