ES-2421 Rev.12
VP
Plug-in Signal Conditioners M-UNIT
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
• High-density mounting
Typical Applications
• Converting a 4 – 20 mA from a PID controller into a pneumatic signal
MODEL: VP–[1]–[2][3]
ORDERING INFORMATION
• Code number: VP-[1]-[2][3]
Specify a code from below for each of [1] through [3].
(e.g. VP-6-B/A2S/P7)
[1] INPUT
Current
A
: 4 – 20 mA DC (Input resistance 250 Ω)
Voltage
6
: 1 – 5 V DC (Input resistance 1 MΩ min.)
[2] POWER INPUT
AC Power
B
: 100 V AC
C
: 110 V AC
D
: 115 V AC
F
: 120 V AC
G
: 200 V AC
H
: 220 V AC
J
: 240 V AC
DC Power
S
: 12 V DC
R
: 24 V DC
V
: 48 V DC
[3] OPTIONS (multiple selections)
Output
blank
: 0.2 – 1.0 kgf/cm
2
/A1S
: 19.6 – 98.1 kPa
/A2S
: 20 – 100 kPa
/A3S
: 20.7 – 103.4 kPa
/A2
: 0.2 – 1.0 bar
/A3
: 3 – 15 psig
Pneumatic Connection
blank
: Rc 1/4"
/P7
: 1/4" NPT fitting
GENERAL SPECIFICATIONS
Construction
: Plug-in
Connection
Input & power input
: M3.5 screw terminals (torque 0.8 N·m)
Pneumatic
: Rc 1/4" or 1/4" NPT female; (torque ≤ 12 N·m)
Material
•
Housing
: Flame-resistant resin (black)
•
Base socket
: Die cast aluminium
•
Valve section
: Die cast aluminium
•
Screw terminals
: Nickel-plated steel;
Isolation
: Input to power
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
INPUT SPECIFICATIONS
■
DC Current
:
Shunt resistor attached to the input terminals (0.5 W)
OUTPUT SPECIFICATIONS
■
Output
:
19.6 – 98.1 kPa, 0.2 – 1.0 kgf/cm
2
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)
INSTALLATION
Supply pressure
: 140 kPa (1.4 kgf/cm
2
, 1.4 bar, 20 psig)
±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)
Power input
•
AC
: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
•
DC
: Operational voltage range: rating ±10 %
(ripple 10 % p-p max.) approx. 1 W (30 mA at 24 V)
Operating temperature
: -5 to +60°C (23 to 140°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface
Weight
: 750 g (1.65 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
: 2000 V AC @ 1 minute (input to power to housing)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM