18KRS-366-R/S [MSYSTEM]

Rack-mounted DCS Signal Conditioners 18K-RACK;


型号：	18KRS-366-R/S
厂家：	M-SYSTEM
描述：	Rack-mounted DCS Signal Conditioners 18K-RACK DCS 分布式控制系统
文件：	总3页 (文件大小：108K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: 18KRS

Rack-mounted DCS Signal Conditioners 18K-RACK

[2] OUTPUT 2

Current

A: 4 – 20 mA DC (Load resistance 600 Ω max.)

Voltage

RTD CONVERTER

Functions & Features

6: 1 – 5 V DC (Load resistance 2000 Ω min.)

• Accepting direct input from an RTD and providing two

standard process signals

• Linearization

POWER INPUT

• Burnout protection

DC Power

• Module can be retracted without removing wiring for an

insulation test

R: 24 V DC

(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

• Power switch optional

[3] OPTIONS (multiple selections)

Power Switch

Typical Applications

• Converting into standard signals

• Power plant

blank: None

/S: With power switch

Burnout

blank: Upscale burnout

/BL: Downscale burnout

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

MODEL: 18KRS–[1]6[2]–R[3]

Output 1: Connector

ORDERING INFORMATION

• Code number: 18KRS-[1]6[2]-R[3]

Specify a code from below for each of [1] through [3].

(e.g. 18KRS-466-R/S/BL)

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

Zero adjustment: -5 to +5 % (front)

Span adjustment: 95 to 105 % (front)

Linearization: Standard

• 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)

INPUT SPECIFICATIONS

Maximum leadwire resistance: 20 Ω per wire (3-wire)

Sensing current: 2 mA

(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

INSTALLATION

Current consumption:

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

0: Specify

Approx. 35 mA with voltage output

Approx. 65 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)

Note: Consult M-System for 2-wire RTD

OUTPUT 1

Voltage

6: 1 – 5 V DC (Load resistance 2000 Ω min.)

18KRS SPECIFICATIONS

ES-0414 Rev.3 Page 1/3

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

MODEL: 18KRS

PERFORMANCE in percentage of span

Accuracy: ±0.2 %

Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)

Response time: ≤ 0.5 sec. (0 – 90 %)

Burnout response: ≤ 10 sec.

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)

EXTERNAL VIEW

■ WITH POWER SWITCH

Power Switch

Span Adj.

Zero Adj.

EXTERNAL DIMENSIONS unit: mm (inch)

2–M3

SCREW

8–M3.5

7 (.28)

SCREW

7 (.28)

24 (.94)

32 (1.26)

78 (3.07)

18KRS SPECIFICATIONS

ES-0414 Rev.3 Page 2/3

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

MODEL: 18KRS

TERMINAL ASSIGNMENTS

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Burnout

Isolation

Module

Field Terminals

(Section A)

Differential

Amplifier

Voltage/

Duty Cycle

Output

Driver

–

Linearizer

OUTPUT 2

Reference

Resistor

Constant

Current

Output

Driver

OUTPUT 1

OUTPUT 2

External

Field Terminals

(Section A)

POWER

*Power switch option

Note 1: Use either of module or external field terminals.

Note 2: For OUTPUT 2 with current output, use either of terminals on the front or connector on the rear.

Section A. Field Terminals

RTD

Specifications are subject to change without notice.

18KRS SPECIFICATIONS

ES-0414 Rev.3 Page 3/3

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

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