ES-3480 Rev.12
HJF
Space-saving Plug-in Signal Conditioners H-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
• High-density mounting
Typical Applications
• Various flowmeters
• Adding two flows
• Ratio calculation
• Calculating average temperature
MODEL: HJF–[1][2]–R[3]
ORDERING INFORMATION
• Code number: HJF-[1][2]-R[3]
Specify a code from below for each of [1] through [3].
(e.g. HJF-6A-R/3/Q)
• Parameters
Use Ordering Information Sheet (No. ESU 1980). 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)
[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
Current
A
: 4 – 20 mA DC (Load resistance 600 Ω max.)
Voltage
6
: 1 – 5 V DC (Load resistance 500 Ω min.)
POWER INPUT
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
[3] 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 (torque 0.8 N·m)
Screw terminal
: Nickel-plated steel (standard) or stainless steel
Housing material
: Flame-resistant resin (black)
Isolation
: input to output to power (non-isolated between inputs)
Overrange input:
Approx. -25 to +125 %
Overrange output
: Approx. -10 to +120 % at 1 – 5 V
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
INSTALLATION
Current consumption
: Approx. 90 mA
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail; Standard Rack Mounting Frame BX-16H available
Weight
: 220 g (0.49 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
: 500 V AC @ 1 minute
(input to output to power)
1500 V AC @ 1 minute (input or output or power to ground)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM