MODEL: 18VP

18VP SPECIFICATIONS

ES-1821 Rev.14 Page 1/3

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

Rack-mounted DCS Signal Conditioners 18-RACK

I/P TRANSDUCER

Functions & Features

• Converting a DC input into a proportional standard

pneumatic signal

• Semiconductor pressure sensor in the feedback circuit

• High resolution

• No mounting position effect

Typical Applications

• Converting a 4 – 20 mA from a PID controller into a

pneumatic signal

MODEL: 18VP–[1][2][3]–R

ORDERING INFORMATION

• Code number: 18VP-[1][2][3]-R

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

(e.g. 18VP-261-R)

[1] PNEUMATIC CONNECTION

2: Rc 1/4"

7: 1/4" NPT fitting

[2] INPUT

Current

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

Voltage

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

[3] OUTPUT

1S: 19.6 – 98.1 kPa

2S: 20 – 100 kPa

3S: 20.7 – 103.4 kPa

2: 0.2 – 1.0 bar

3: 3 – 15 psig

POWER INPUT

DC Power

R: 24 V DC

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

RELATED PRODUCTS

• Standard rack with air manifold

Note: The 18VP must be installed in a 18-RACK or 18K-RACK

series rack with air manifold.

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

Pneumatic: Rc 1/4" or 1/4" NPT female

(torque ≤ 12 N·m)

Power input: supplied from connector

Supply pressure: supplied collectively from the rack

Screw terminal: Nickel-plated steel

Isolation: Input to power

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

Span adjustment: 95 to 105 % (front)

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated

OUTPUT SPECIFICATIONS

■ Output:

20 – 100 kPa, 0.2 – 1.0 bar

20.7 – 103.4 kPa, 3 – 15 psig

The output goes below 0 % if the input loop is open.

Maximum air delivery: 60 Nl/minute (2.1 SCFM)

Maximum air exhaust: 60 Nl/minute (2.1 SCFM)