AS4LC MSYSTEM | Alldatasheet

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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 (2.83) 132 (5.20) (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 [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

MODEL: AS4LC AS4LC SPECIFICATIONS ES-1601 Rev.13 Page 2/4 https://www.m-system.co.jp/

  • Others (Refer to the instruction manual) ■ DISPLAY LED: 8 mm (.31”) 7 segment, red Number of display digits: 4 digits for DATA display; 2 digits for ITEM display Range: -1999 to 9999 (decimal point position selectable) PV indication: Input signal in engineering unit Overrange indication: LEDs blinking Power saving mode: Displays turn off if the keys are untouched for a preset time period LEDs: Red LEDs turn on when coils are energized. (PL1 and PL2 for 2-point alarm. PL1, PL2, PL3 and PL4 for 4- point alarm.) INPUT SPECIFICATIONS ■ Strain Gauge Input
  • Strain Gauge Sensor sensitivity setting S1: 0.010 - 3.000mV/V S2: 0.010 - 9.999mV/V S3: 0.10 - 30.00mV/V Sensor sensitivity setting min. step: S1: 0.001 mV/V S2: 0.001 mV/V S3: 0.01 mV/V Default setting: S1: 3.000 mV/V S2: 9.999 mV/V S3: 30.00 mV/V Rated output from strain gauge: S1: -30.00 – +30.00 mV, span 1.00 – 30.00 mV S2: -99.99 – +99.99 mV, span 3.00 – 99.99 mV S3: -300.0 – +300.0 mV, span 10.0 – 300.0 mV Input voltage setting min. step: S1: 0.01 mV S2: 0.01 mV S3: 0.1 mV Note: Consult factory for use with a compression/tension load cells.
  • Excitation: 0.1 – 12.0 V adjustable (0.1 V increments) Maximum current: 30 mA Default setting: 1.0 V ■ Contact Input: TTL level (5V-CMOS level), open collector or dry contact (detecting voltage: approx. 5 V, saturation voltage: ≤ 1 V, sink current: 0.5 mA) OUTPUT SPECIFICATIONS Relay rating:

120 V AC @ 1 A (cos ø = 1)

240 V AC @ 0.5 A (cos ø = 1)

30 V DC @ 1 A (resistive load)

(Limited within 0.5 A to conform with EU Directive) 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 × 107 cycles 0 50 100 ▲ Input (%) LL L ▲ ▲ HH H L2 (15–8) ON L3 (10–8) ON L4 (1–8) ON OFF OFF L1 (9–8) ON OFF OFF Alarm Trip Operation Terminal No. in parentheses Example with quad N.O. contacts (LL, L, H, HH) Trip Operation in Power Failure

  • Output code 2: All relays turn off.
  • Output code 3: All relays turn on.
  • Output code 5: Terminals 15 – 8, 1 – 8 turn on. INSTALLATION Power consumption
  • AC: Approx. 11 VA
  • DC: Approx. 8 W Operating temperature: -5 to +55°C (23 to 131°F) Operating humidity: 30 to 90 %RH (non-condensing) Mounting: Surface or DIN rail Weight: 500 g (1.1 lb) PERFORMANCE in percentage of span Setpoint accuracy (trip point accuracy): ±(0.1 % of FS + 1 digit) Display accuracy: ±(0.1 % of FS + 1 digit) Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. span Response time: ≤ 1.5 sec. (0 – 100 % at 90 % setpoint) Excitation: Set value ±250 mV Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @1 minute (input to output to power to ground) STANDARDS & APPROVALS EU conformity: EMC Directive EMI EN 61000-6-4 EMS EN 61000-6-2 Low Voltage Directive EN 61010-1

MODEL: AS4LC AS4LC SPECIFICATIONS ES-1601 Rev.13 Page 3/4 https://www.m-system.co.jp/ Measurement Category II (output) Installation Category II (power) Pollution Degree 2 Input to output to power: Basic insulation (300 V) RoHS Directive EXTERNAL VIEW PL4 PL3 PL2 PL1 DATA ITEM ITEM No. Display *Monitor LEDs DATA Display *PL3 or PL4 does not turn on for dual output type. DATA ITEM DATA UP-DOWN Keys ITEM No. UP-DOWN Keys Refer to the instruction manual for detailed procedures. EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 80 (3.15) 50 (1 .97) 80 (3.15) (.79) 60 (2.36) 72 (2.83) 7 .8 (.31) CLAMP (top & bottom) DIN RAIL 35mm wide2–4.5 (.18) dia. MTG HOLE 25 (.98) deep 14 –M3.5 SCREW

  • When mounting, no extra space is needed between units. 12 5614 11 110 15 103 (4.06) 132 (5.20)

MODEL: AS4LC AS4LC SPECIFICATIONS ES-1601 Rev.13 Page 4/4 https://www.m-system.co.jp/ SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Ry Ry Ry Ry Ry Ry LOAD Inductive Load (Coil) Varistor or Spark Quenching Circuit

  • DC Powered LOAD Inductive Load (Coil) Diode, Varistor or CR Circuit ■ Relay Protection
  • AC Powered U Low Drift Amplifier
  • SPDT Relay Output ■ OUTPUT CODE: 5 Base Socket U(+) V(–) POWER Digital Computation Circuit PL1 PL3 DATA ITEM
  • N.O. Relay Output PL2 PL4 ■ OUTPUT CODE: 2
  • N.C. Relay Output ■ OUTPUT CODE: 3

3 COM

DC Volt. Stabilizer 9L1 OUTPUT L2 OUTPUT L3 OUTPUT L4 OUTPUT L1 OUTPUT L2 OUTPUT L3 OUTPUT L4 OUTPUT COM Base Socket U(+) V(–) POWER DATA ITEM CONTACT INPUT (Di) STRAIN GAUGE Low Drift DC Volt. Stabilizer Low Drift Amplifier Digital Computation Circuit L2 OUTPUT L1 OUTPUT COM PL1 PL2 CONTACT INPUT (Di) INPUT EXC. INPUT EXC. NC NO NC NO Specifications are subject to change without notice.