MODEL: 18JR

18JR SPECIFICATIONS

ES-1864 Rev.9 Page 1/3

http://www.m-system.co.jp/

Rack-mounted DCS Signal Conditioners 18-RACK

RTD CONVERTER

(field-programmable)

Functions & Features

• Accepting direct input from an RTD and providing two

standard process signals

• Micro-processor based

• Field-programmable temperature range

• Linearization

• Burnout protection

• Loop testing via hand-held programmer PU-2x

• Second channel output available at the front terminals

and at the Standard Rack connector

Typical Applications

• Ideal for quick spare part

MODEL: 18JR–[1]66–R[2]

ORDERING INFORMATION

• Code number: 18JR-[1]66-R[2]

Specify a code from below for each of [1] and [2].

(e.g. 18JR-166-R/BL)

• Temperature range (e.g. 0 – 500°C)

[1] INPUT RTD (2- or 3-wire)

1: JPt 100 (JIS'89)

(Usable range: -200 to +500°C, -328 to +932°F; min.span: 30°C, 54°F)

3: Pt 100 (JIS'89)

(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 30°C, 54°F)

4: Pt 100 (JIS'97, IEC)

(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 30°C, 54°F)

5: Pt 50 Ω (JIS'81)

(Usable range: -200 to +500°C, -328 to +932°F; min.span: 60°C, 108°F)

6: Ni 508.4 Ω

(Usable range: -50 to +200°C, -58 to +392°F; min.span: 20°C, 36°F)

0: Specify

Note: Consult M-System for 2-wire RTD

OUTPUT 1

Voltage

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.)

[2] OPTIONS

Burnout

blank: Upscale burnout

/BL: Downscale burnout

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.

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)

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

Overrange output: Approx. -10 to +120 % at 1 – 5 V

Linearization: Standard

Adjustments: Programming Unit (model: PU-2x); RTD type

(between Pt 100 and JPt 100 only), temp. range, zero and

span, simulating output, etc.

(Refer to the users manual of JXCON for the adjustments

configurable with JXCON.)