ES-3474 Rev.11

HJDL

Space-saving Plug-in Signal Conditioners H-UNIT

CURRENT LOOP SUPPLY

(linearizing; field-programmable)
Functions & Features
• Powering a 4 – 20 mA DC current loop
• Microprocessor based
• Shortcircuit protection
• Applicable to smart transmitters
• Field-programmable linearization data
• Loop testing via hand-held programmer PU-2x
• High-density mounting
Typical Applications
• Various 2-wire transmitters
• Providing isolation and linearization for a 2-wire temperature transmitter
• Linearizing weir flowmeter output to provide a linear-to-volume signal
• Linearizer application
(4 – 20 mA input)
• Square root extraction for differential pressure transmitter

MODEL: HJDL–A[1][2]–R[3]

ORDERING INFORMATION

• Code number: HJDL-A[1][2]-R[3]
Specify a code from below for each of [1] through [3].
  (e.g. HJDL-A1A-R/Q)
Default setting (following table) will be used if not otherwise specified.
No linearization data will be programmed if you don't specify type of linearization and required data.
• Linearization data
Code 1 segment data: Use Ordering Information Sheet (No. ESU-1669) to specify linearization data.
Code 3 T/C, Code 4 RTD: Specify input sensor type and temperature range.
• Specify the specification for option code /Q
  (e.g. /C01/S01)

INPUT

Current
A: 4 – 20 mA DC (Input resistance 250 Ω)

[1] LINEARIZATION

0: None
1: Segment data
2: Square root extraction
3: Thermocouple
4: RTD

[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

blank: none
/Q: With options (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 (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
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Linearization: 16 points max. represented as percentage of full-scale
Adjustments: Programming Unit (model: PU-2x); linearization data, zero and span, simulating output, etc.
(Refer to the users manual of JXCON for the adjustments configurable with JXCON.)

SUPPLY OUTPUT

Output voltage: 24 – 28 V DC with no load
Current rating: ≤ 22 mA DC
• Shortcircuit Protection
Current limited: 30 mA max.
Protected time duration: No limit

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated

LINEARIZATION

• No linearization: The output is proportional to the input.
• Segment data: 16 points (15 segments) max. within the range of -15.00 to +115.00 % input or output represented as percentage of fullscale
• Square root extraction
Low-end cutout: 5 % (output); curve characteristics as in the figure below

INSTALLATION

Current consumption: Approx. 95 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: ±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: 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