·Some details are not shown. Please refer to specification sheets for all information.

HD

Space-saving Plug-in Signal Conditioners H-UNIT

CURRENT LOOP SUPPLY
(non-isolated)

Functions & Features
• Powering a 4 – 20 mA DC current loop
• Electrically isolating output signal from power input
• Shortcircuit protection
• Applicable to smart transmitters
• High-density mounting
Typical Applications
• Various 2-wire transmitters

MODEL: HD–24–R[1]

ORDERING INFORMATION
• Code number: HD-24-[1]
Specify a code from below for [1].
(e.g. HD-24-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 250 Ω)

OUTPUT
Voltage
1 – 5 V DC (Load resistance 250 kΩ min.)

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

[1] OPTIONS
blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's 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
Housing material: Flame-resistant resin (black)
Isolation: Input or output to power

SUPPLY OUTPUT
Output voltage: 24 – 32 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

INSTALLATION
Current consumption: Approx. 50 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 % (accuracy of the receiving resistor)
Temp. coefficient: ±0.003 %/°C (±0.002 %/°F) (temp. coefficient of the receiving resistor)
Line voltage effect to supply output: ±3 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 500 V AC @ 1 minute (input or 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

MG Co., Ltd.