L4AS-262-K [MSYSTEM]

Plug-in Signal Conditioners M-UNIT;


型号：	L4AS-262-K
厂家：	M-SYSTEM
描述：	Plug-in Signal Conditioners M-UNIT
文件：	总4页 (文件大小：139K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: L4AS

Plug-in Signal Conditioners M-UNIT

[4] POWER INPUT

AC Power

K: 85 – 132 V AC

QUAD DC ALARM

Functions & Features

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

L: 170 – 264 V AC

• Providing relay contact closures at preset DC input levels

• 4 setpoints: Hi/Hi, Hi, Lo, Lo/Lo

• Single turn screwdriver or dial setpoint adjustments

• Enclosed relays

(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

• Relays can be powered 110 V DC

• Isolation up to 2000 V AC

(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)

• High-density mounting

Typical Applications

• Annunciator

GENERAL SPECIFICATIONS

Construction: Stand-alone; terminal access at the front

Connection: M3.5 screw terminals (torque 0.8 N·m)

Housing material: Flame-resistant resin (black)

Isolation: Input to output to power

• Various alarm applications

(2.95)

Setpoint adjustments: Single-turn screwdriver adjustments

or dials (front); -15 – +115 % independently

Hysteresis (deadband): Approx. 1 %

(2.95)

Front LEDs: Red LED turns on when the coil is energized.

100

INPUT SPECIFICATIONS

■ DC Current: Input resistor incorporated

112

(4.41)

mm (inch)

OUTPUT SPECIFICATIONS

■ Relay Contact: 100 V AC @ 1 A (cos ø = 1)

120 V AC @ 1 A (cos ø = 1)

MODEL: L4AS–[1][2][3]–[4]

240 V AC @ 0.5 A (cos ø = 1)

30 V DC @ 1 A (resistive load)

ORDERING INFORMATION

• Code number: L4AS-[1][2][3]-[4]

Specify a code from below for each of [1] through [4].

(e.g. L4AS-1A1-R)

Maximum switching voltage: 380 V AC or 125 V DC

Maximum switching power: 120 VA or 30 W

Minimum load: 5 V DC @ 10 mA

Mechanical life: 5 x 10 cycles

For maximum relay life with inductive loads, external

protection is recommended.

[1] SETPOINT ADJUSTMENTS

1: Single-turn screws

2: Dials

[2] INPUT

Current

A: 4 – 20 mA DC (Input resistance 250 Ω)

Voltage

6: 1 – 5 V DC (Input resistance 1 MΩ min.)

[3] OUTPUT

1: 4 points; coil energized with input > setpoint

2: 2 points; coil energized with input < setpoint 2 points;

coil energized with input > setpoint

L4AS SPECIFICATIONS

ES-1991 Rev.5 Page 1/4

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

MODEL: L4AS

Dielectric strength: 2000 V AC @1 minute (input to output

to power to ground)

Alarm Trip Operation Terminal No. in parentheses

• Output Code : 1

Trip Operation in Power Failure:

Terminals 3 – 5, 6 – 8, 11 – 13 and 14 – 16 turn ON.

(3–4)ON

Output 1

(3–5)ON

(6–7)ON

Output 2

(6–8)ON

(11–12)ON

Output 3

(11–13)ON

(14–15)ON

Output 4

(14–16)ON

Input

(%)

100

No.1 No.2

No.3 No.4

• Output Code : 2

Trip Operation in Power Failure:

Terminals 3 – 5, 6 – 8, 11 – 13 and 14 – 16 turn ON.

(3–4)ON

Output 1

(3–5)ON

(6–7)ON

Output 2

Output 3

Output 4

(6–8)ON

(11–12)ON

(11–13)ON

(14–15)ON

(14–16)ON

Input

(%)

100

No.1 No.2

(LL) (L)

No.3 No.4

(H) (HH)

INSTALLATION

Power consumption

•AC: Approx. 4.5 VA

•DC: Approx. 2 W (80 mA at 24 V)

Operating temperature: -5 to +55°C (23 to 131°F)

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

Mounting: Surface or DIN rail

Weight: 350 g (0.77 lb)

PERFORMANCE in percentage of span

Setpoint accuracy: ±0.3 %

Temp. coefficient: ±0.05 %/°C (±0.03 %/°F)

Response time: ≤ 0.5 sec. (0 – 100 % at 90 % setpoint)

Line voltage effect: ±0.1 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

L4AS SPECIFICATIONS

ES-1991 Rev.5 Page 2/4

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

MODEL: L4AS

MOUNTING REQUIREMENTS

■

M5 SCREWS

M4 SCREWS

60 (2.36)

2–M5

2–M4

75 (2.95) MIN.

EXTERNAL VIEW

■ SCREWDRIVER ADJUSTMENTS

■ DIAL ADJUSTMENTS

Monitor LED

Setpoint Adj.

Monitor LED

Setpoint Adj.

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

2–5.8 (.23) dia. or

2–4.8 (.18) dia.

MTG HOLE

16–M3.5

SCREW

8 (.31)

8 (.31) deep

DIN RAIL

35mm wide

TERMINAL

COVER

7 8

10 11 12 13 14 15 16

14*

112 (4.41)

[3.3 (.13)]

75 (2.95)

(.55)

*Dial adj.

• When mounting, no extra space is needed between units.

L4AS SPECIFICATIONS

ES-1991 Rev.5 Page 3/4

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

MODEL: L4AS

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

No.1 SET

Low Drift

Amplifier

–

Comparator

ALARM OUTPUT 1

ALARM OUTPUT 2

ALARM OUTPUT 3

ALARM OUTPUT 4

INPUT

No.2 SET

Comparator

No.3 SET

Comparator

No.4 SET

Comparator

U(+)

POWER

V(–)

*Input shunt resistor incorporated for current input.

■

Relay Protection

•AC Powered

•DC Powered

Inductive

Load (Coil)

Inductive

Load (Coil)

Varistor or Spark

Quenching Circuit

Diode, Varistor or

CR Circuit

LOAD

Specifications are subject to change without notice.

L4AS SPECIFICATIONS

ES-1991 Rev.5 Page 4/4

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

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