Datasheet > 18PR-21-R

18PR-21-R

更新时间： 2024-02-06 02:25:24

品牌	Logo	应用领域
爱模 - MSYSTEM		DCS 分布式控制系统
页数	文件大小	规格书
4页	117K
描述
Rack-mounted DCS Signal Conditioners 18-RACK

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中文翻译

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数据手册

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18PR-21-R 数据手册

MODEL: 18PR

Rack-mounted DCS Signal Conditioners 18-RACK

CAUTION

1) This unit's output waveform is not uniform due to its

scaling method. The user must be aware that it may be

inconvenient for certain types of application.

2) This unit is designed to accept at the maximum of 100

kHz, which may cause errors due to chattering in the input

pulses.

PULSE SCALER

Functions & Features

• Converting pulse rate into convenient engineering unit for

display on a totalizing counter or meter

Use input relays which do not cause chattering (e.g.

mercury relays). Other relays could be used only with a CR

filter, for 10 Hz at maximum.

Typical Applications

• Positive displacement flowmeters and turbine flowmeters

• Magnetic tachometers

3) Use M-System’s Model M2PRU instead of this unit in

conjunction with the pulse output from M-System’s power

transducers.

C = 1 µF

R = 10kΩ

PULSE

SCALER

Relay

MODEL: 18PR–[1][2]–R

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: 18PR-[1][2]-R

Connection

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

(e.g. 18PR-11-R)

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

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

and connector

• Input frequency range (e.g. 0 – 356.7 Hz)

• Output frequency range (e.g. 0 – 1.00 Hz)

Power input: Supplied from connector

Screw terminal: Nickel-plated steel

[1] INPUT

Isolation: Input to output to power

1: Dry contact (max. 100 kHz)

Input pulse sensing: Capacitor coupled; detecting pulse rise

Sensitivity adjustment: Single-turn screwdriver adjustment

(front); 25 mVp-p – 5 Vp-p

2: Voltage pulse (max. 100 kHz)

Scaling factor adjustment: 10-position rotary switch; 0.9999

[2] OUTPUT

× 10 – 0.0001 × 10–6

1: Open collector (max. frequency 20 kHz)

2: 5 V pulse (max. frequency 20 kHz)

3: Relay contact (max. frequency 2 Hz)

4: 24 V pulse (max. frequency 20 Hz)

POWER INPUT

DC Power

R: 24 V DC

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

18PR SPECIFICATIONS

ES-1860 Rev.11 Page 1/4

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

12 3 4

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