M8SED1 MSYSTEM | Alldatasheet

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Technical content

MODEL: M8SED1 M8SED1 SPECIFICATIONS ES-5380 Rev.4 Page 1/3 http://www.m-system.co.jp/ Dual Output Super-mini Signal Conditioners Pico-M Series DC ALARM (thumbwheel switch adjustment, CE) Functions & Features

  • Providing relay outputs at preset DC input levels
  • Dual (Hi/Lo) trip
  • Thumbwheel switch setpoint adjustments
  • Space-saving, easy-to-maintain, multi-channel installation base MODEL: M8SED1-[1][2][3]-R[4]

ORDERING INFORMATION

  • Code number: M8SED1-[1][2][3]-R[4] Specify a code from below for each of [1] through [4]. (e.g. M8SED1-A12-R/Q)
  • Specify the specification for option code /Q (e.g. /C01 ) [1] INPUT Current A: 4 – 20 mA DC (Input resistance 250 Ω) Voltage 4: 0 – 10 V DC (Input resistance 1 MΩ min.) 5: 0 – 5 V DC (Input resistance 1 MΩ min.) 6: 1 – 5 V DC (Input resistance 1 MΩ min.) [2] OUTPUT 1 1: Hi trip (ON = tripped; OFF = untripped or no power) 2: Hi trip (OFF = tripped; ON = untripped or no power) [3] OUTPUT2 1: Lo trip (ON = tripped; OFF = untripped or no power) 2: Lo trip (OFF = tripped; ON = untripped or no power) POWER INPUT DC Power R: 24 V DC (Operational voltage range 24 V ±10 %, ripple 10 %p-p max.) [4] OPTIONS blank: none /Q: With options (specify the specification) SPECIFICATIONS OF OPTION: Q COATING (For the detail, refer to M-System's web site.) /C01: Silicone coating /C02: Polyurethane coating /C03: Rubber coating

RELATED PRODUCTS

  • Installation Base or Single Mount Base Socket (model: M8BSx) This unit must be mounted on dedicated base or socket except Model M8BS2 base. GENERAL SPECIFICATIONS Construction: Plug-in Mounting screw: M3 screw (torque 0.3 N·m) Housing material: Flame-resistant resin (black) Power supply: Via the Installation Base terminals (model: M8BSx) Isolation: Input to output 1 to output 2 to power Setpoint adjustments: Thumbwheel switches (front); 0 – 99 % independently; 1 % increments; (factory setting: 50 %) Hysteresis (deadband): Approx. 1 % Front LEDs: Red LED turns on when the coil for Hi output is energized. Green LED turns on when the coil for Lo output is energized. Power ON timer: Relays de-energized for approx. 2 seconds after power is turned on. INPUT SPECIFICATIONS ■ DC Current: Input resistor incorporated OUTPUT SPECIFICATIONS
  • Relay contact: 30 V DC @0.5 A (resistive load) * Maximum switching voltage: 60 V DC Maximum switching power: 15 W (≤ 0.5 A) Minimum load: 100 mV DC @100 μA Mechanical life: 5 × 106 cycles * When used with a multi-channel installation base (e.g. M8BS-16), the ratings derated as following. Terminal block type: 30 V DC @0.25 A Cable connector type: 24 V DC @50 mA

MODEL: M8SED1 M8SED1 SPECIFICATIONS ES-5380 Rev.4 Page 2/3 http://www.m-system.co.jp/ OUT 1 OUT 2 POWERED INP < SET INP > SET OFF ON ON OFF ON OFF OFF ON OUT CODE Hi Hi Lo Lo UNPOWERED OFF ON OFF ON TRIP ACTION INSTALLATION Current consumption: Approx. 60 mA Operating temperature: 0 to 55°C (32 to 131°F) Operating humidity: 30 to 95 %RH (non-condensing) Mounting: Installation Base (model: M8BSx) Weight: 70 g (2.5 oz) PERFORMANCE in percentage of span Setpoint accuracy: ±0.5 % Trip point repeatability: ±0.05 % Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) Response time: ≤ 0.7 sec. (0 – 100 % at 90 % setpoint) Line voltage effect: ±0.1 % over voltage range Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 1500 V AC @1 minute (input to output 1 to output 2 to power to ground) SWC test: ANSI/IEEE-C37.90.1-1989 STANDARDS & APPROVALS EU conformity: EMC Directive EMI EN 61000-6-4 EMS EN 61000-6-2 RoHS Directive EN 50581 FRONT VIEW Output 1 Monitor LED Output 1 Setpoint Adj. Output 2 Setpoint Adj. Output 2 Monitor LED 9 9

MODEL: M8SED1 M8SED1 SPECIFICATIONS ES-5380 Rev.4 Page 3/3 http://www.m-system.co.jp/ EXTERNAL DIMENSIONS unit: mm (inch) I/O PINS 17.5(.69) 48 (1.89) 75 (2.95) 83 (3.27) SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM Installation Base Low Drift Amplifier OUTPUT 1 OUTPUT 2 D A B C POWER INPUT *Input shunt resistor incorporated for current input. Comparator D / A Converter Comparator D / A Converter 9 9THUMBWHEEL SWITCHES THUMBWHEEL SWITCHES 9 9 ■ Relay Protection

  • DC Powered LOAD Inductive Load (Coil) Diode, Varistor or CR Circuit Ry Ry Specifications are subject to change without notice.