18VP-263S-R [MSYSTEM]
Rack-mounted DCS Signal Conditioners 18-RACK;型号: | 18VP-263S-R |
厂家: | M-SYSTEM |
描述: | Rack-mounted DCS Signal Conditioners 18-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: 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/
MODEL: 18VP
INSTALLATION
Supply pressure: 140 kPa (1.4 kgf/cm , 1.4 bar, 20 psig)
2
±10 %. Use dry air containing no carbon black or other
foreign particles. To ensure reliability use an air filter (0.01
microns).
Air consumption: 6 Nl/minute (0.21 SCFM)
Current consumption: Approx. 30 mA
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Standard Rack 18BXx or 18KBXx
Weight: 250 g (0.55 lb)
PERFORMANCE in percentage of span
Accuracy: ±0.3 % including linearity and repeatability
Linearity: ±0.2 %
Repeatability: 0.1 %
Temp. coefficient: ±0.05 %/°C (±0.03 %/°F)
Response time: ≤ 3 sec. (0 – 90 %)
Mounting position effect: ±0.1 % (all dimensions)
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 power)
1500 V AC @ 1 minute
(input or power to ground)
EXTERNAL DIMENSIONS unit: mm (inch)
2–M3 SCREW
OUTPUT CONNECTION
Rc 1/4” or 1/4” NPT
NPT
FITTING
14.5 (.57)
76 (2.99)
23.7 (.93)
27 (1.06)
20 (.79)
33 (1.30)
18VP SPECIFICATIONS
ES-1821 Rev.14 Page 2/3
http://www.m-system.co.jp/
MODEL: 18VP
TERMINAL ASSIGNMENTS
+
–
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
SUPPLY
PRESSURE
Pilot
Valve
OUTPUT
Semiconductor
Pressure Sensor
Z
S
–
+
Deviation
Amplifier
+
–
Driver
INPUT
ELECTRO-MAGNETIC
FLAPPER
INPUT
POWER
Specifications are subject to change without notice.
18VP SPECIFICATIONS
ES-1821 Rev.14 Page 3/3
http://www.m-system.co.jp/
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