ES-2280 Rev.11
WJF
Dual Output Plug-in Signal Conditioners W-UNIT
2-input MATH FUNCTION MODULE
(field-programmable)
Functions & Features
• Providing temperature or pressure compensation for a gas flow, and other arithmetic operations
• Microprocessor based
• Equation and parameters
selectable on site via hand-held programmer PU-2x
• Loop testing
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Various flowmeters
• Adding two flows
• Ratio calculation
• Calculating average temperature
MODEL: WJF–[1][2][3]–[4][5]
ORDERING INFORMATION
• Code number: WJF-[1][2][3]-[4][5]
Specify a code from below for each of [1] through [5].
(e.g. WJF-6AA-B/3/Q)
• Special output ranges (For codes Z & 0)
• Parameters
Use Ordering Information Sheet (No. ESU-1980) to specify parameters. Default setting will be used if not otherwise specified.
(K
0
= 1, K
1
= 1, K
2
= 1, A
0
= 0 %, A
1
= 0 %, A
2
= 0 %)
• Specify the specification for option code /Q
(e.g. /C01/S01)
Note: When the user requires a current and a voltage output, specify the current to be the Output 1 which allows a greater load.
[1] INPUT
Current
A
: 4 – 20 mA DC (Input resistance 100 Ω)
Voltage
6
: 1 – 5 V DC (Input resistance 1 MΩ min.)
[2] OUTPUT 1
Current
A
: 4 – 20 mA DC (Load resistance 600 Ω max.)
B
: 2 – 10 mA DC (Load resistance 1200 Ω max.)
C
: 1 – 5 mA DC (Load resistance 2400 Ω max.)
D
: 0 – 20 mA DC (Load resistance 600 Ω max.)
E
: 0 – 16 mA DC (Load resistance 750 Ω max.)
F
: 0 – 10 mA DC (Load resistance 1200 Ω max.)
G
: 0 – 1 mA DC (Load resistance 12 kΩ max.)
Z
: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1
: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2
: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3
: 0 – 1 V DC (Load resistance 1000 Ω min.)
4
: 0 – 10 V DC (Load resistance 10 kΩ min.)
5
: 0 – 5 V DC (Load resistance 5000 Ω min.)
6
: 1 – 5 V DC (Load resistance 5000 Ω min.)
4W
: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W
: -5 – +5 V DC (Load resistance 5000 Ω min.)
0
: Specify voltage (See OUTPUT SPECIFICATIONS)
[3] OUTPUT 2
Current
A
: 4 – 20 mA DC (Load resistance 350 Ω max.)
B
: 2 – 10 mA DC (Load resistance 700 Ω max.)
C
: 1 – 5 mA DC (Load resistance 1400 Ω max.)
D
: 0 – 20 mA DC (Load resistance 350 Ω max.)
E
: 0 – 16 mA DC(Load resistance 430 Ω max.)
F
: 0 – 10 mA DC (Load resistance 700 Ω max.)
G
: 0 – 1 mA DC (Load resistance 7000 Ω max.)
Z
: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
Same range availability as Output 1
[4] 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
[5] OPTIONS (multiple selections)
Equation (Refer to the EQUATION table)
/1
: Temperature compensation for DP flowmeter (ideal gas)
/2
: Pressure compensation for DP flowmeter (ideal gas)
/3
: Addition/subtraction
/4
: Multiplication
/5
: Division
Other Options
blank
: none
/Q
: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
TERMINAL SCREW MATERIAL
/S01
: Stainless steel
EQUATION
Equation parameters
X
0
: output (%)
X
1
to X
2
: input (%)
K
0
to K
2
: gain ±29.999
A
0
to A
2
: bias (%) ±299.99 %
RELATED PRODUCTS
• Programming Unit (model: PU-2x)
• PC configurator software (model: JXCON)
Downloadable at our web site.
A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.
GENERAL SPECIFICATIONS
Construction
: Plug-in
Connection
: M3.5 screw terminals
Screw terminal
: Chromated steel (standard) or stainless steel
Housing material
: Flame-resistant resin (black)
Isolation
: Input to output 1 to output 2 to power (non-isolated between inputs)
Overrange input:
Approx. -25 to +125 %
Overrange output
: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Adjustable individually for each output 1 and output 2.
Adjustments
: Programming Unit (model: PU-2x); equation and parameters, square root extraction, zero and span, etc.
(Refer to the users manual of JXCON for the adjustments configurable with JXCON.)
INPUT SPECIFICATIONS
■
DC Current
: Input resistor incorporated
OUTPUT SPECIFICATIONS
■ DC Current
: 0 – 20 mA DC
Minimum span
: 1 mA
Offset
: Max. 1.5 times span
Load resistance
: Output drive 12 V max. for Output 1;
7 V max. for Output 2
■
DC Voltage
: -10 – +10 V DC
Minimum span
: 5 mV
Offset
: Max. 1.5 times span
Load resistance
: Output drive 1 mA max.; at ≥ 0.5 V
INSTALLATION
Power input
•
AC
: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 3.5 VA
•
DC
: Operational voltage range: rating ±10 %
ripple 10 %p-p max., approx. 2.6 W (110 mA at 24 V)
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 400 g (0.88 lb)
PERFORMANCE in percentage of span
Accuracy
: Input accuracy + output accuracy
Input accuracy
: ±0.2 % (gain ≤ 1)
[±0.2 % × gain] with gain > 1
Output accuracy
: ±0.2 %
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: ≤ 1.2 sec. (0 – 90 %)
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 output to power to ground)
1000 V AC @ 1 minute (output 1 to output 2)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM