ES-0464 Rev.3
18KJR
Rack-mounted DCS Signal Conditioners 18K-RACK
RTD CONVERTER
(field-programmable)
Functions & Features
• Module can be retracted without removing wiring for an insulation test
• Optional power switch
• Software setting of input range via programming unit (model: PU-2x) is available
MODEL: 18KJR–[1]66–R[2]
ORDERING INFORMATION
• Code number: 18KJR-[1]66-R[2]
Specify a code from below for each of [1] and [2].
(e.g. 18KJR-166-R/S/BL)
• Temperature range (e.g. 0 - 100°C)
[1] INPUT RTD (2- or 3-wire)
1
: JPt 100 (JIS'89)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 30°C, 54°F)
3
: Pt 100 (JIS'89)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 30°C, 54°F)
4
: Pt 100 (JIS'97, IEC)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 30°C, 54°F)
5
: Pt 50 Ω (JIS'81)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 60°C, 108°F)
6
: Ni 508.4 Ω
(Usable range: -50 to +200°C, -58 to +392°F; min.span: 20°C, 36°F)
0
: Specify
Note: Consult us for 2-wire RTD
OUTPUT 1
Voltage
6
: 1 – 5 V DC (Load resistance 2000 Ω min.)
OUTPUT 2
Voltage
6
: 1 – 5 V DC (Load resistance 2000 Ω min.)
POWER INPUT
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
[2] OPTIONS (multiple selections)
Power Switch
blank
: None
/S
: With power switch
Burnout
blank
: Upscale burnout
/BL
: Downscale burnout
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
: Rack-mounted; terminal access via screw terminals on the front and connector on the rear; terminal cover provided
Connection
Input
: M3.5 screw terminals (torque 0.8 N·m)
and connector
Output 1
: Connector
Output 2
: M3.5 screw terminals (torque 0.8 N·m)
and connector
Power input
: Supplied from connector
Screw terminal
: Nickel-plated steel
Isolation
: Input to output 1 to output 2 to power
Overrange output
: Approx. -10 to +120 % at 1 – 5 V
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
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
INSTALLATION
Current consumption
: Approx. 60 mA
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Standard Rack 18KBXx
Weight
: 150 g (0.33 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
: Approx. 10 sec.
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 output 1 to output 2 to power to ground)
EXTERNAL VIEW
EXTERNAL DIMENSIONS unit: mm [inch]
TERMINAL ASSIGNMENTS
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM