MODEL: KWLD

KWLD SPECIFICATIONS

ES-3597 Rev.4 Page 1/3

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

Plug-in Signal Conditioners K-UNIT

CURRENT LOOP SUPPLY

(for level transmitter use)

Functions & Features

• Powering a 4 – 20 mA DC current loop

• Shortcircuit protection

• Applicable to smart transmitters

• Usable as 4 – 20 mA isolator

• Wide span adjustment range

• High-density mounting

50

(1.97)

132

(5.20)

80

(3.15)

mm (inch)

K

•UNIT

MODEL: KWLD–A6–[1][2]

ORDERING INFORMATION

• Code number: KWLD-A6-[1][2]

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

(e.g. KWLD-A6-B/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01)

INPUT

Current

4 – 20 mA DC (Input resistance 250 Ω)

OUTPUT 1

Current

A: 4 – 20 mA DC (Load resistance 600 Ω max.)

OUTPUT 2

Voltage

6: 1 – 5 V DC (Load resistance 5000 Ω 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

S: 12 V DC

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 to output 1 to output 2 to power

Overrange output: Approx. -10 to +110 %

Zero adjustment: ±10 % of the input 4 – 20 mA (front)

Output 2 zero adjustment: ±2 % of the calibrated range

(front)

Span adjustment: 10 – 100 % of the input 4 – 20 mA (front)

Output 2 span adjustment: ±2 % of the calibrated range

(front)

Coarse span adjustment: Rotary switch (front)

Loop test switch: Supply output is removed with OFF.

SUPPLY OUTPUT

(Across the terminals 4 – 5)

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