ES-1872 Rev.10
18JFX
Rack-mounted DCS Signal Conditioners 18-RACK
LINEARIZER
(field-programmable)
Functions & Features
• Accepting non-linear input and providing two linearized outputs, proportional to the process variables
• Micro-processor based
• On-site calibration up to 16 points using a hand-held programmer PU-2x
• Field-programmable input range
• Second channel output available at the front terminals and at the Standard Rack connector
Typical Applications
• V-notch weir
• Gas analyzer
• Irregular-shaped tank level input for volume calculation
MODEL: 18JFX–[1]66–R
ORDERING INFORMATION
• Code number: 18JFX-[1]66-R
Specify a code from below for [1].
(e.g. 18JFX-666-R)
Use Ordering Information Sheet (No. ESU-1669) to specify linearization data when the I/O signals are non-linear.
• Linearization data (max. 16 points)
• Special input range (For codes U1, U2 & U3)
[1] INPUT
Current
A
: 4 – 20 mA DC (Input resistance 250 Ω)
H
: 10 – 50 mA DC (Input resistance 100 Ω)
Voltage
6
: 1 – 5 V DC (Input resistance 1 MΩ min.)
U1
: Range ±100 mV;
(Minimum span 3 mV, Input resistance 20 kΩ min.)
U2
: Range ±1000 mV;
(Minimum span 30 mV, Input resistance 20 kΩ min.)
U3
: Range ±10 V;
(Minimum span 0.3 V,Input resistance 1 MΩ min.)
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.)
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)
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
Linearization
: 16 points max. within the range of -15.00 – +115.00 % input or output; represented as percentage of full-scale
Adjustments
: Programming Unit (model: PU-2x)
(Refer to the users manual of JXCON for the adjustments configurable with JXCON.)
• Linearization data
• Input range
• Zero and span
• Simulating output
• Others
Input range can be changed with Codes U1, U2 or U3 and limited within ranges of each code type.
INPUT SPECIFICATIONS
■
DC Current
: Input resistor incorporated
■
DC Voltage
: -10 – +10 V DC
Minimum span
: 3 mV
Offset
: Max. 3 times span
Default setting will be used if not otherwise specified.
U1
: 0 – 100 mV DC
U2
: 0 – 1 V DC
U3
: 0 – 10 V DC
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 18BXx or 18KBXx
Weight
: 150 g (0.33 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.1 % with segment gain ≤ 1 [±0.1 % × gain] with segment gain > 1
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
Response time
: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 1500 V AC @ 1 minute
(input to output 1 or output 2 or power)
500 V AC @ 1 minute
(output 1 to output 2 to power)
1500 V AC @ 1 minute
(input or output or power to ground)
EXTERNAL DIMENSIONS unit: mm [inch]
TERMINAL ASSIGNMENTS
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM