18KJT [MSYSTEM]

Rack-mounted DCS Signal Conditioners 18K-RACK;


型号：	18KJT
厂家：	M-SYSTEM
描述：	Rack-mounted DCS Signal Conditioners 18K-RACK DCS 分布式控制系统
文件：	总4页 (文件大小：99K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: 18KJT

Rack-mounted DCS Signal Conditioners 18K-RACK

POWER INPUT

DC Power

R: 24 V DC

THERMOCOUPLE CONVERTER

(field-programmable)

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

Functions & Features

• Module can be retracted without removing wiring for an

insulation test

[2] OPTIONS

Burnout

• Input specifications (thermocouple type and range) are

freely configurable via programming unit

blank: Upscale burnout

/BL: Downscale burnout

/BN: No 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.

MODEL: 18KJT–[1]66–R[2]

GENERAL SPECIFICATIONS

Construction: Rack-mounted; terminal access via screw

terminals on the front and connector on the rear; terminal

cover provided

ORDERING INFORMATION

• Code number: 18KJT-[1]66-R[2]

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

(e.g. 18KJT-266-R/BL)

Connection

Input: M3.5 screw terminals (torque 0.8 N·m)

and connector

• Temperature range (e.g. 0 – 800°C)

Default setting will be used if not otherwise specified.

K thermocouple setting will be used if the input code is not

specified.

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

[1] INPUT THERMOCOUPLE

1: (PR) (Usable Range 0 to 1760°C, 32 to 3200°F)

2: K (CA) (Usable range -270 to +1370°C, -454 to +2498°F)

3: E (CRC) (Usable range -270 to +1000°C, -454 to +1832°F)

4: J (IC) (Usable range -210 to +1200°C, -346 to +2192°F)

5: T (CC) (Usable range -270 to +400°C, -454 to +752°F)

6: B (RH) (Usable range 0 to 1820°C, 32 to 3308°F)

7: R (Usable range -50 to +1760°C, -58 to +3200°F)

8: S (Usable range -50 to +1760°C, -58 to +3200°F)

N: N (Usable range -270 to +1300°C, -454 to +2372°F)

0: Specify

Cold junction compensation: CJC sensor attached to the field

terminals

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

(Refer to the users manual of JXCON for the adjustments

configurable with JXCON.)

• T/C type

• temp. range

• zero and span

• simulating output

OUTPUT 1

Voltage

• Others

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

OUTPUT 2

Voltage

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

18KJT SPECIFICATIONS

ES-0463 Rev.2 Page 1/4

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

MODEL: 18KJT

INPUT SPECIFICATIONS

Minimum span: 3 mV

Offset: Max. 3 times span

Input resistance: 20 kΩ min.

Burnout sensing: 0.1 μA

Minimum span

(PR): 370°C, 670°F

K (CA): 75°C, 140°F

E (CRC): 50°C, 90°F

J (IC): 60°C, 110°F

T (CC): 75°C, 140°F

B (RH): 780°C, 1410°F

R: 360°C, 650°F

S: 380°C, 690°F

N: 110°C, 200°F

Note: The described accuracy may be partially not satisfied

when the temperature ranges below 0°C. Consult factory.

If not specified, the input range is shown below.

(PR): 0 to 1600°C

K (CA): 0 to 1000°C

E (CRC): 0 to 500°C

J (IC): 0 to 500°C

T (CC): 0 to 300°C

B (RH): 0 to 1800°C

R: 0 to 1600°C

S: 0 to 1600°C

N: 0 to 1000°C

INSTALLATION

Current consumption: Approx. 60 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)

PERFORMANCE in percentage of span

Accuracy: ±0.1 %

Linearization accuracy: ±0.05 %

Cold junction compensation error: ±0.5°C or ±0.9°F

(at 20°C ±10°C or 68°F ±18°F)

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

Response time: ≤ 0.8 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)

18KJT SPECIFICATIONS

ES-0463 Rev.2 Page 2/4

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

MODEL: 18KJT

EXTERNAL DIMENSIONS unit: mm (inch)

2–M3

SCREW

8–M3.5

7 (.28)

SCREW

7 (.28)

24 (.94)

32 (1.26)

78 (3.07)

TERMINAL ASSIGNMENTS

CJC SENSOR (model: CJM)

18KJT SPECIFICATIONS

ES-0463 Rev.2 Page 3/4

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

MODEL: 18KJT

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Isolation

Low Drift

Amplifier

Digital

Computation

Output

Driver

−

OUTPUT 2

Module

Field Terminals

(Section A)

Output

Driver

OUTPUT 1

OUTPUT 2

Burnout

Protection

External

Field Terminals

(Section A)

PU-2x

MODULAR JACK

Serial Transmission Line

POWER

Use either of module or external field terminals.

Section A. Field Terminals

T/C

comp. leadwire

−

CJC

SENSOR

red

black

model: CJM

Specifications are subject to change without notice.

18KJT SPECIFICATIONS

ES-0463 Rev.2 Page 4/4

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

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