ES-2264 Rev.8
WJR
Dual Output Plug-in Signal Conditioners W-UNIT
RTD TRANSMITTER
(field-programmable)
Functions & Features
• Accepting direct input from an RTD and providing standard process signal
• Micro-processor based
• Field-programmable temperature range
• Linearization
• Burnout protection
• Isolation up to 2000 V AC
• Loop testing via hand-held programmer PU-2x
• High-density mounting
Typical Applications
• Ideal for quick spare part
• Power plant (2000 V AC isolation)
MODEL: WJR–[1][2][3]–[4][5]
ORDERING INFORMATION
• Code number: WJR-[1][2][3]-[4][5]
Specify a code from below for each of [1] through [5].
(e.g. WJR-4AA-B/BL/Q)
• Temperature range (e.g. 0 – 500°C)
• Special output ranges (For codes Z & 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 RTD (2- or 3-wire)
1
: JPt 100 (JIS'89)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)
3
: Pt 100 (JIS'89)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
4
: Pt 100 (JIS'97, IEC)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
5
: Pt 50 Ω (JIS'81)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)
6
: Ni 508.4 Ω
(Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F)
0
: Specify
Note: Consult us for 2-wire RTD
[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.)
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)
Burnout
blank
: Upscale burnout
/BL
: Downscale burnout
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
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
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.
Linearization
: Standard
Adjustments
: Programming Unit (model: PU-2x);
(Refer to the users manual of JXCON for the adjustments configurable with JXCON.)
• RTD type (between Pt 100 and JPt 100 only)
• temp. range
• zero and span
• simulating output
• Others
INPUT SPECIFICATIONS
Maximum leadwire resistance
: 20 Ω per wire (3-wire)
Sensing current
: 2 mA (Pt)
If not specified, the input range is shown below.
1: JPt 100 (JIS '89) 0 – 100°C
3: Pt 100 (JIS '89) 0 – 100°C
4: Pt 100 (JIS '97, IEC) 0 – 100°C
5: Pt 50 Ω (JIS '81) 0 – 200°C
6: Ni 508.4 Ω 0 – 100°C
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
: ±0.1 % or ±0.1°C (±0.18°F), whichever is greater
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: ≤ 0.5 sec. (0 – 90 %)
Burnout response
: ≤ 10 sec.
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