18KVS-666-R [MSYSTEM]

Rack-mounted DCS Signal Conditioners 18K-RACK;


型号：	18KVS-666-R
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：94K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: 18KVS

Rack-mounted DCS Signal Conditioners 18K-RACK

[2] OUTPUT 2

Current

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

Voltage

SIGNAL CONVERTER

Functions & Features

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

• Converts a DC input into a standard process signal using

analog circuit

• DC isolation between inputs and outputs

• Module can be retracted without removing wiring for an

insulation test

POWER INPUT

DC Power

R: 24 V DC

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

Typical Applications

• Isolation between control room and field instrumentation

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

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)

MODEL: 18KVS–[1]6[2]–R

ORDERING INFORMATION

• Code number: 18KVS-[1]6[2]-R

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

(e.g. 18KVS-166-R)

• Special input range (For code 0)

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated

■ DC Voltage: 0 – 50 V DC

Minimum span: 3 mV

[1] INPUT

Current

Offset: Max. 1.5 times span

Input Resistance

A: 4 – 20 mA DC (Input resistance 250 Ω)

D: 0 – 20 mA DC (Input resistance 50 Ω)

G: 0 – 1 mA DC (Input resistance 1000 Ω)

H: 10 – 50 mA DC (Input resistance 100 Ω)

Voltage

Span 3 – 10 mV : ≥ 10 kΩ

Span 10 – 100 mV : ≥ 10 kΩ

Span 0.1 – 1 V : ≥ 100 kΩ

Span ≥ 1 V : ≥ 1 MΩ

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

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

3: 0 – 1 V DC (Input resistance 1 MΩ min.)

4: 0 – 10 V DC (Input resistance 1 MΩ min.)

5: 0 – 5 V DC (Input resistance 1 MΩ min.)

6: 1 – 5 V DC (Input resistance 1 MΩ min.)

0: Specify voltage (See INPUT SPECIFICATIONS)

OUTPUT SPECIFICATIONS

With the input voltage code 3, 4, 5, 6 and current, the

output goes below 0 % when the input is open.

INSTALLATION

Current consumption:

OUTPUT 1

Voltage

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

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

18KVS SPECIFICATIONS

ES-0418 Rev.1 Page 1/3

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

MODEL: 18KVS

Weight: 150 g (0.33 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.1 %

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

Response time: ≤ 0.5 sec. (0 – 90 %)

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 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

18KVS SPECIFICATIONS

ES-0418 Rev.1 Page 2/3

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

MODEL: 18KVS

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Isolation

Low Drift

Amplifier

Voltage

Duty Cycle

Output

Driver

Module Field Terminals

(Section A)

OUTPUT 2

−

Output

Driver

OUTPUT 1

OUTPUT 2

External Field Terminals

(Section A)

POWER

* Input shunt resistor incorporated for current input.

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

−

INPUT

Specifications are subject to change without notice.

18KVS SPECIFICATIONS

ES-0418 Rev.1 Page 3/3

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

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