MODEL: FDU

FDU SPECIFICATIONS

ES-1428 Rev.8 Page 1/3

http://www.m-system.co.jp/

Space-saving Plug-in Signal Conditioners F-UNIT

CURRENT LOOP SUPPLY

(10 – 50 mA loop)

Functions & Features

• Powering a 10 – 50 mA DC current loop

• Isolation

• Shortcircuit protection

• Applicable to smart transmitters

• High-density mounting

Typical Applications

• Various 2-wire transmitters

26 (1.02)

100

(3.94)

mm (inch)

137

(5.39)

MODEL: FDU–24–[1][2]

ORDERING INFORMATION

• Code number: FDU-24-[1][2]

Specify a code from below for each of [1] and [2].

(e.g. FDU-24-K/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01)

SUPPLY OUTPUT

24: 24 V DC

INPUT

Current

10 – 50 mA DC

OUTPUT

Voltage

1-5 V DC (Load resistance 50 kΩ min.)

[1] POWER INPUT

AC Power

K: 85 – 132 V AC

(Operational voltage range 85 – 132 V, 47 – 66 Hz)

L: 170 – 264 V AC

(Operational voltage range 170 – 264 V, 47 – 66 Hz)

DC Power

R: 24 V DC

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

P: 110 V DC

(Operational voltage range 85 – 150 V, 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 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 (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

Output voltage: 24 – 28 V DC with no load

Current rating: ≤ 55mA DC

• Shortcircuit Protection

Current limited: Approx. 65 mA

Protected time duration: No limit

INPUT SPECIFICATIONS

Equivalent input impedance: Approx. 100 Ω at 50 mA

INPUT CURRENT [mA]

10

30

50

6.0

approx.

4.8

4.0

approx. 6.0

5.0