MT 300

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Microprocessor temperature monitor system for electrical transformers with 2 inputs for PTC probes
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  • Two PTC inputs with fixed temperature level
    (see PTCK series sensors)
  • Possibility to connect up to six PTCK sensors in line for each channel (max. 1.5 Kohm for channel)
  • Interconnections among the relays contacts are shown in schema
  • Visualization correct working state
  • Visualization pre-alarm and alarm state
  • Intrinsic sure protection system with relays always on and signalling with switch off relays
  • Delay at power on (1 sec. about) for a direct connection with a shut down device
  • Assembly on rear panel by quick coupling with Din rail
  • Power supply (220 ÷ 240) Volt AC 50/60Hz
  • Tropicalization (optional)
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Technical features
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Dimensions

  • Standard box suitable for DIN rail 90x52X57 mm
  • Front panel 49×42 mm
  • Weight 0,2 Kg

Power Supply

  • Power supply (220 ÷ 240) Volt AC ± 10% 50/60Hz, absorption 2VA

Inputs

  • Two distinguished input channels for PTC sensors with possibility to connect max six sensors in serial connections on every branch
    (max 1.5 Kohm per branch)

Outputs

  • Output by relays with free contacts connected as per schema at the end of the manual.
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Characteristics

  • Self-extinguishable NORYL Box
  • Protection degree front panel in polycarbonate: IP30
  • Protection degree on terminal board side: IP20
  • Two 250V AC, 5A maximum relays contact (resistive load)
  • Dielectric strength between relays contacts and
    alimentation line 2,5KV for 60”
  • Working temperature of device from -40°C to 60°C
  • Max allowed dampness in the room 90% not condensing
  • Electrical connections with fast-polarised connectors
  • Technical manual in five languages (and more on request)
  • Construction in accordance with rules 
  • Tropicalization (optional)
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ME 100

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 4-20mA (ME100 V2)
  • Protocol of MODBUS – RTU communication (ME 100 V3)
  • Protocol of 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 (ME 100 – ME 100 V3 – ME 100 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 4-20mA 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 (ME 100 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 for 60”
  • Software configuration to control the environment temperature
  • Resolution 1°C
  • Working temperature of device from -40°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, subnet, gateway by browser web (ME 100 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)

MT200

Microprocessor temperature monitor system for resin, dry and oil transformers with 4 inputs for 3 wires PT100 probes.

 

  • Control and showing temperature
  • Control of fan systems
  • Four 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
  • 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
  • Protocol MODBUS – RTU communication (MT 200 S)
  • Protocol MODBUS – RTU communication and galvanically insulated analogical output 4-20mA (MT 200 C)
  • Protocol MODBUS – TCP, ETHERNET communication (MT 200 E)
  • Tropicalization (optional)

Models

MT 200
Temperature controller device, 4 inputs PT100 probes, 4 relays
COD.: MT200LITE

MANUAL

MT 200 50121-5
Temperature controller device, 4 inputs PT100 probes, 4 relays according to EN 50121-5 rule
COD.: MT200L 50121-5

MANUAL

MT 200 S
Temperature controller device, 4 inputs PT100 probes, 4 relays, serial communication RS485 half duplex, MODBUS-RTU protocol
COD.: MT200LITE S

MANUAL

MT 200 C
Temperature controller device, 4 inputs PT100 probes,
4 relays, analogical communication 0-20 or 4-20 mA and serial communication RS485 half duplex, MODBUS-RTU protocol
COD.: MT200LITE C

MANUAL

MT 200 E
Temperature controller device, 4 inputs PT100 probes, 4 relays, ETHERNET communication, MODBUS-TCP protocol
COD.: MT200LITE E

MANUAL

Technical features

Dimensions

  • Box 90x90x115 mm included terminal blocks
  • Front panel 96×96 mm
  • Weight 0,4 Kg

Power Supply

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

Inputs

  • Four 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
  • RS485 Half Duplex protocol MODBUS-RTU (MT 200 S)
  • RS485 Half Duplex protocol MODBUS-RTU, 4-20mA or 0-20mA galvanically isolated (MT 200 C)
  • ETHERNET communication port, protocol MODBUS – TCP (MT 200 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 -40°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
  • Galvanically insulated output 4-20mA or 0-20mA
    (MT200 C)
  • Maximum impedance allowed for current output
    500 Ohm
    Range 4-20mA (-10°C 4mA / +200°C 20mA)
    Transformation formula (current in mA, temperature in °C):
    lout = (T+10)/210*16 + 4
    Range 0-20mA (-10°C 0mA / +200°C 20mA)
    Transformation formula (current in mA, temperature in °C):
    lout = (T+10)/210*20 (MT 200 C)
  • Certification for railway environment use according to EN-50121-5:2006 regulations (MT 200 EN50121-5)
  • Configuration of IP address, port, subnet, gateway by browser web (MT 200 E)
  • Technical manual in five languages
    (and more on request)
  • Construction in accordance with rules 
  • Input filter for power supply in accordance with rules 
  • Tropicalization (optional)