MODEL: AS4LC

AS4LC SPECIFICATIONS

ES-1601 Rev.13 Page 1/4

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

Plug-in Signal Conditioners M-UNIT

STRAIN GAUGE ALARM

(dual or quad alarm trip; field-configurable)

Functions & Features

• Accepts a bridge type strain gauge utilized in load cells,

pressure transducers

• Quad or dual trip

• Setting and display in engineering unit values

• Setpoint adjustments with the front keypad

• Software lock

• Adjustable hysteresis (deadband)

• On-delay timer

• Hi/Lo trip and energized/de-energized coil independently

selectable for each setpoint

• Enclosed relays

• Relays can be powered by 200 V AC and 100 V DC

• High-density mounting on DIN rail

Typical Applications

• Annunciator

• Various alarm applications

72

(2.83)

132

(5.20)

80

(3.15)

mm (inch)

MODEL: AS4LC–[1][2]–[3][4]

ORDERING INFORMATION

• Code number: AS4LC-[1][2]-[3][4]

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

(e.g. AS4LC-S12-R/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01/SET)

[1] INPUT STRAIN GAUGE

S1: 0.0 – 3.0 mV/V

S2: 0.0 – 10.0 mV/V

S3: 0.0 – 30.0 mV/V

[2] OUTPUT

2: 4 points; N.O. or make contact

3: 4 points; N.C. or break contact

5: 2 points; SPDT or transfer contact

[3] POWER INPUT

AC Power

M2: 100 – 240 V AC (Operational voltage range 85 – 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.)

[4] 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

EX-FACTORY SETTING

/SET: Preset according to the Ordering Information Sheet

(No. ESU-1601)

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 to power

Excitation adjustment: 0.1 – 12.0 V (front)

Zero adjustment: -19.99 – 99.99 % (front)

Gain adjustment: 0.000 – 9.999 (front)

Tare adjustment: -199.9 – 999.9 % (front or by contact input

(Di))

Sampling cycle: 100 msec.

User-configurable items: Front key pad

• Alarm setpoint

• Display range scaling

• Power ON-delay time

• Alarm ON-delay time

• Moving average

• Hi/Lo trip operation

• Coil at alarm

• Hysteresis (deadband)

• Sensor sensitivity

• Contact input (Tare adjustment, Peak hold, Valley hold,

Sample hold)

• 0 %, 100 % input setting