Microprocessor temperature monitor system for resin, dry and oil transformers with 8 inputs for 3 wires PT100 probes

  • Control and showing temperature
  • Control of fan systems
  • Eight independent PT100 inputs with three wires
  • Four 250 Volt 10 A AC (resistive load) relays of outputs for the
    following functions: pre alarm state, alarm state, fault probe state,
    fan control with hysteresis (ME100 – ME100 V3)
  • Five 250 Volt 10 A AC (resistive load) relays of outputs for the
    following functions: pre alarm state, alarm state, fault probe state,
    separate fan control with hysteresis (ME100 V2)
  • Manual test relays to simulate or check the reliability of the contact
  • Advanced programming menu: is allowed able, enable and set
    separately each single channel
  • Permanent storing of programmed set of pre-alarm and alarm
    state, on, off fan and history values achieved
  • Assembly on panel by simple fixing jaws
  • Universal power supply (24 ÷ 240) Volt AC/DC 50/60Hz
  • Serial communication port RS485 full duplex,
    own ASCII communication protocol (ME100)
  • Galvanically insulated analogical output 4-20 mA (ME100 V2)
  • Protocol MODBUS – RTU, RS 485 communication (ME 100 V3)
  • Protocol MODBUS – TCP, ETHERNET communication (ME 100 E)
  • Tropicalization (optional)

Models

ME 100
Temperature controller device, 8 inputs PT100 probes, 4 relays and serial communication port RS485 full duplex, own ASCII communication protocol
COD.: ME100

MANUAL

ME 100 V2
Temperature controller device, 8 inputs PT100 probes, 5 relays with analogical output 4–20mA referred to the channel with the most high temperature
COD.: ME100 V2

MANUAL

ME 100 V3
Temperature controller device, 8 inputs PT100 probes, 4 relays with MODUBUS – RTU protocol
COD.: ME100 V3

MANUAL

ME 100 E
Temperature controller device, 8 inputs PT100 probes, 4 relays, ETHERNET communication, MODBUS – TCP protocol
COD.: ME100 E

MANUAL

Technical features

Dimensions

  • Box 90x90x130 mm included terminal blocks
  • Front panel 96×96 mm
  • Weight 0,6 Kg

Power Supply

  • Power supply (24 ÷ 240) Volt AC/DC ± 10% 50/60Hz without polarity respect, absorption 4 VA

Inputs

  • Eight analogical inputs, temperature control and mapping with PT100 sensor at three wires inside range from -10°C to +200°C

Outputs

  • Four relays 250V AC, 10 A max (resistive load),
    free switch contact (ME100 – ME100 V3 – ME100 E)
  • Five relays 250V AC, 10 A max (resistive load), free switch contact (ME 100 V2)
  • Serial communication port RS485 full duplex, own ASCII communication protocol (ME100)
  • Galvanically insulated analogical output 4-20 mA referred to the channel with the most high temperature (ME100 V2)
  • Serial communication port RS485 full duplex protocol of MODBUS – RTU (ME 100 V3)
  • ETHERNET communication port, protocol MODBUS – TCP (ME100 E)

Characteristics

  • Self-extinguishable NORYL Box
  • Protection degree front panel in polycarbonate: IP65 (IP66 on request)
  • Protection degree of rear panel on terminal board side: IP20
  • Display with light segments
  • Visualisation of max temperature and the relevant channel in the automatic mode
  • Alerts of pre-alarm, alarm, probes fault, fanning, manual function, historic highs
  • System programming directly by frontal panel
  • Possibility to select independently each channel
  • Limit of alarm and pre-alarm settable in the range (-9°C ÷ 199°C)
  • Precision ± 1% on full-scale ± 1 digit
  • Cooling fan control on three or four channels
  • Comparison of temperature for cooling fan between two different levels (L and H).
  • Four selectable operating modes
  • Detection of fault probes, maximum flexibility of managing and simplicity of programming, checking of validity of the insert data during programming phase
  • Continuos storage of planned and reached values by each channel (limits and historic highs)
  • Dielectric isolation: 2,5 KV AC for 60”
  • Software configuration to control the environment temperature
  • Resolution 1°C
  • Working temperature of device from -20°C to 60°C
  • Max allowed dampness in the room 90% not condensing
  • Electrical connections with fast-polarised connectors
  • Possibility of manual relays switch through menu test relays to simulate and check the reliability of contact
  • Configuration of IP address, port, su bnet, gateway via browser web (ME100 E)
  • Technical manual in three languages (and more on request)
  • Construction in accordance with rules
  • Input filter for power supply in accordance with rules
  • Tropicalization (optional)