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KRS-5D-H/K

更新时间：2024-10-29 23:02:11

品牌：MSYSTEM

描述：Plug-in Signal Conditioners K-UNIT

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KRS-5D-H/K 概述

Plug-in Signal Conditioners K-UNIT

KRS-5D-H/K 数据手册

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MODEL: KRS

Note: Consult M-System for 2-wire RTD

Plug-in Signal Conditioners K-UNIT

[2] OUTPUT

Current

RTD TRANSMITTER

(CE, isolated)

A: 4 – 20 mA DC (Load resistance 750 Ω max.)

B: 2 – 10 mA DC (Load resistance 1500 Ω max.)

C: 1 – 5 mA DC (Load resistance 3000 Ω max.)

D: 0 – 20 mA DC (Load resistance 750 Ω max.)

E: 0 – 16 mA DC (Load resistance 900 Ω max.)

F: 0 – 10 mA DC (Load resistance 1500 Ω max.)

G: 0 – 1 mA DC (Load resistance 15 kΩ max.)

Z: Specify current (See OUTPUT SPECIFICATIONS)

Voltage

Functions & Features

• Accepting direct input from an RTD and providing a

standard process signal

• Linearization

• Burnout protection

• "Active bridge" circuit containing two constant current

sources allows large leadwire resistances up to 200 Ω

• Fast response type available

• High-density mounting

1: 0 – 10 mV DC (Load resistance 10 kΩ min.)

2: 0 – 100 mV DC (Load resistance 100 kΩ min.)

3: 0 – 1 V DC (Load resistance 3000 Ω min.)

4: 0 – 10 V DC (Load resistance 10 kΩ min.)

5: 0 – 5 V DC (Load resistance 5000 Ω min.)

6: 1 – 5 V DC (Load resistance 5000 Ω min.)

0: Specify voltage (See OUTPUT SPECIFICATIONS)

Typical Applications

• Long distance transmission between the RTD and the

transmitter

• Combination with intrinsic safety barriers

(1.97)

[3] POWER INPUT

AC Power

(3.15)

G: 200 V AC

H: 220 V AC

J: 240 V AC

123

(4.84)

DC Power

mm (inch)

S: 12 V DC

R: 24 V DC

MODEL: KRS–[1][2]–[3][4]/CE

[4] OPTIONS (multiple selections)

Response Time (0 – 90 %)

blank: Standard (≤ 0.5 sec.)

/K: Fast Response (Approx. 25 msec.)

Burnout

ORDERING INFORMATION

• Code number: KRS-[1][2]-[3][4]/CE

Specify a code from below for each of [1] through [4].

(e.g. KRS-4A-H/BL/CE)

blank: Upscale burnout

• Temperature range (e.g. 0 – 500°C)

• Special output range (For codes Z & 0)

/BL: Downscale burnout

Standards & Approvals (must be specified)

/CE: CE marking

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

1: JPt 100 (JIS'89)

GENERAL SPECIFICATIONS

Construction: Plug-in

(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)

3: Pt 100 (JIS'89)

Connection: M3.5 screw terminals

(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)

4: Pt 100 (JIS'97, IEC)

Screw terminal: Chromated steel

Housing material: Flame-resistant resin (black)

Isolation: Input to output to power

(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)

5: Pt 50 Ω (JIS'81)

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

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

Span adjustment: 95 to 105 % (front)

At burnout: Downscale ≤ -10 %, Upscale ≥ 110 %

(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)

6: Ni 508.4 Ω

(Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F)

0: Specify

KRS SPECIFICATIONS

ES-3521-CE Rev.4 Page 1/3

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

MODEL: KRS

Linearization: Standard

INPUT SPECIFICATIONS

Maximum leadwire resistance: 200 Ω per wire (3-wire)

Sensing current: 2 mA

OUTPUT SPECIFICATIONS

■ DC Current: 0 – 20 mA DC

Minimum span: 1 mA

Offset: Max. 1.5 times span

Load resistance: Output drive 15 V max.

■ DC Voltage: -10 – +12 V DC

Minimum span: 5 mV

Offset: Max. 1.5 times span

Load resistance: Output drive 1 mA max. at ≥ 3 V

INSTALLATION

Power input

• AC: Operational voltage range: rating ±10 %,

50/60 ±2 Hz, approx. 2 VA

•DC: Operational voltage range: rating ±10 %,

ripple 10 %p-p max., approx. 2 W (80 mA at 24 V)

Operating temperature: -5 to +55°C (23 to 131°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Surface or DIN rail

Weight: 350 g (0.77 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.2 %

Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)

Burnout response: ≤ 10 sec.

Line voltage effect: ±0.1 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength:

1350 V AC @1 minute (input to output)

2300 V AC @1 minute (input or output to power to ground)

STANDARDS & APPROVALS

EU conformity:

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

Low Voltage Directive

EN 61010-1

Installation Category II

Pollution Degree 2

Input or output to power: Reinforced insulation (300 V)

Input to output: Basic insulation (300 V)

RoHS Directive

KRS SPECIFICATIONS

ES-3521-CE Rev.4 Page 2/3

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

MODEL: KRS

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]

CLAMP

(top & bottom)

7.8 (.31)

DIN RAIL

35mm wide

2–

4.5 (.18) dia.

MTG HOLE

15 (.59) deep

8–

M3.5

SCREW

50 (1.97)

103 (4.06)

123 (4.84)

40 (1.57)

50 (1.97)

[3.3 (.13)]

• When mounting, no extra space is needed between units.

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Burnout

RTD

Isolation

Reference

Resistor

Differential

Amplifier

Output

Driver

–

OUTPUT

POWER

2mA

–

Linearizer

U(+)

V(–)

Base Socket

Specifications are subject to change without notice.

KRS SPECIFICATIONS

ES-3521-CE Rev.4 Page 3/3

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

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