MODEL: DS-824

DS-824 SPECIFICATIONS

ES-3251 Rev.2 Page 1/2

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

Plug-in Signal Conditioners M-UNIT

8-CH. CURRENT LOOP SUPPLY

Functions & Features

• Powering eight 4 – 20 mA DC current loops

• Supplying 24 V DC

• Space-saving 8-channel capacity

• Shortcircuit protection

• Smart transmitter applicable

Typical Applications

• Various two-wire transmitters

8

7

8

7

6

5

4

DS-824

3

2

1

6

5

4

3

2

1

200 (7.87)

24 (.94)

60

(2.36)

mm (inch)

MODEL: DS–824–R

ORDERING INFORMATION

• Code number: (e.g. DS-824-R)

NO. OF CHANNELS

8: 8 points

SUPPLY OUTPUT

24: 24 V DC

POWER INPUT

DC Power

R: 24 V DC

GENERAL SPECIFICATIONS

Construction: Wall-mounted terminal block

Connection: M3.5 screw terminals

Number of loops: 8

SUPPLY OUTPUT

Output voltage: 15 – 21 V DC

= power input – [internal voltage drop + loss at the

receiving resistor]

Current rating: ≤ 22 mA DC

• Shortcircuit Protection

Current limited: 30 mA max.

Protected time duration: No limit

INPUT SPECIFICATIONS

■ DC Current: 4 – 20 mA DC

Input resistance: 250 Ω resistor incorporated

OUTPUT SPECIFICATIONS

■ DC voltage: 1 – 5 V DC

Load resistance: ≥ 250 kΩ

INSTALLATION

Power input

•DC: 24 V DC ±10 % (ripple 10 % p-p max.)

[loop current + approx. 4 mA] per channel

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

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

Mounting: Surface

Weight: 380 g (0.84 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