MODEL: DS-48

DS-48 SPECIFICATIONS

ES-3218 Rev.8 Page 1/3

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

Plug-in Signal Conditioners M-UNIT

CURRENT LOOP SUPPLY

(10 – 50mA loop)

Functions & Features

• Powering a 10 – 50 mA DC current loop

• Electrically isolating output signal from power input

• Shortcircuit protection with fuses

• High-density mounting

Typical Applications

• Various 2-wire transmitters

50

(1.97)

129.5

(5.10)

80

(3.15)

mm (inch)

FUSE

FUSE

MODEL: DS-48-[1][2]

ORDERING INFORMATION

• Code number: DS-48-[1][2]

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

(e.g. DS-48-B/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01)

SUPPLY OUTPUT

48: 48 V DC (unregulated)

INPUT

Current

10 – 50 mA DC (Input resistance approx. 100 Ω)

OUTPUT

Voltage

1 – 5 V DC (Load resistance 100 kΩ min.)

[1] POWER INPUT

AC Power

B: 100 V AC

C: 110 V AC

D: 115 V AC

F: 120 V AC

G: 200 V AC

H: 220 V AC

J: 240 V AC

DC Power

R: 24 V DC

[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

Screw terminal: Chromated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Isolation: Input or output to power

Power fuse: 250 V, 0.5 A (size: 5.2 x 20 mm)

Loop fuse: 125 V, 0.1 A (size: 5.2 x 20 mm)

Loop monitor terminals: Output 1 – 5 V DC

Power Pilot LED: Red LED turns on in normal voltage level.

SUPPLY OUTPUT

Output voltage: 48 V DC ±10 % (with 100 % power input)

Current rating: ≤ 60mA DC

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated

INSTALLATION

Power input

•AC: Operational voltage range: rating ±10 %,

50/60 ±2 Hz, approx. 3 VA

•DC: Operational voltage range: 24 V ±10 %, approx. 120

mA (ripple 10 %p-p max.)

Operating temperature: -5 to +60°C (23 to 140°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Surface or DIN rail

Weight: 350 g (0.77 lb)