MODEL: 18VP
Rack-mounted DCS Signal Conditioners 18-RACK
POWER INPUT
DC Power
R: 24 V DC
I/P TRANSDUCER
Functions & Features
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
• Converting a DC input into a proportional standard
pneumatic signal
RELATED PRODUCTS
• Semiconductor pressure sensor in the feedback circuit
• High resolution
• Standard rack with air manifold
Note: The 18VP must be installed in a 18-RACK or 18K-RACK
series rack with air manifold.
• No mounting position effect
Typical Applications
GENERAL SPECIFICATIONS
Construction: Rack-mounted; terminal access via screw
terminals on the front and connector on the rear; terminal
cover provided
• Converting a 4 – 20 mA from a PID controller into a
pneumatic signal
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
MODEL: 18VP–[1][2][3]–R
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
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)
INPUT SPECIFICATIONS
■ DC Current: Input resistor incorporated
OUTPUT SPECIFICATIONS
■ Output:
[1] PNEUMATIC CONNECTION
2: Rc 1/4"
19.6 – 98.1 kPa, 0.2 – 1.0 kgf/cm
2
7: 1/4" NPT fitting
20 – 100 kPa, 0.2 – 1.0 bar
20.7 – 103.4 kPa, 3 – 15 psig
[2] INPUT
Current
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)
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
1: 0.2 – 1.0 kgf/cm
2: 0.2 – 1.0 bar
3: 3 – 15 psig
2
18VP SPECIFICATIONS
ES-1821 Rev.14 Page 1/3
http://www.m-system.co.jp/