ES-3427 Rev.4

HDY2

Space-saving Plug-in Signal Conditioners H-UNIT

CURRENT LOOP SUPPLY

(isolated)
Functions & Features
• Powering a 4 – 20 mA DC current loop
• Shortcircuit protection
• Applicable to smart transmitters
• High-density mounting
Typical Applications
• Various 2-wire transmitters

MODEL: HDY2–24[1]–R[2]

ORDERING INFORMATION

• Code number: HDY2-24[1]-R[2]
Specify a code from below for each of [1] and [2].
  (e.g. HDY2-246-R/Q)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

SUPPLY OUTPUT

24: 24 V DC

INPUT

Current
4 – 20 mA DC (Input resistance 300 Ω)

[1] OUTPUT

Current
A: 4 – 20 mA DC (Load resistance 750 Ω max.)
B: 2 – 10 mA DC (Load resistance 1500 Ω max.)
C: 1 – 5 mA DC (Load resistance 3000 Ω max.)
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.)

POWER INPUT

DC Power
R: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)

[2] 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

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
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)

SUPPLY OUTPUT

(across the terminals 1 – 2)
Output voltage:
24 – 28 V DC with no load
18 V DC min. at 20 mA
Current rating: ≤ 22 mA DC
Shortcircuit Protection
Current limited
: 30 mA max.
Protected time duration: No limit

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: 200 g (0.44 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect
  Supply output: ±3 % over voltage range
  Output signal: ±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