Dimensions

• Enclosure 90x90x115 mm including terminal blocks
• Front panel 96×96 mm
• Weight 0.4 Kg

Power Supply

• Universal power supply (24 ÷ 240) Volt AC/DC ± 10%
50/60Hz, polarity independent, consumption 4 VA

Inputs

• Four analog inputs, temperature detection and control
with PT100 three-wire sensors
in the range from -10 to +200 °C

Outputs

• Four relays 250 V AC 10 A max (resistive load),
1 clean changeover contact
• RS485 Half Duplex serial communication protocol
MODBUS-RTU (MT 200 S)
• RS485 Half Duplex serial communication protocol
MODBUS-RTU – Analog communication 0-20 mA or
4-20 mA (MT 200 C)
• Ethernet communication port, protocol
MODBUS-TCP (MT 200 E)

Features

• Self-extinguishing NORYL enclosure
• Front panel protection degree in polycarbonate:
  IP65 (IP66 on request)
• Rear panel protection degree (terminal side):
  IP20
• Segment display
• Automatic display of the value and sensor number
  corresponding to the hottest channel
• Pre-alarm, alarm, probe failure, ventilation,
  manual operation, historical maximums indications
• Access to the control unit programming
  directly from the front panel
• Possibility to independently select
  each single channel
• Alarm and pre-alarm threshold adjustable in the range
  (-9°C ÷ 199°C)
• Accuracy ± 1% of the full scale value ± 1 digit
• Cooling fan management
  on all probes
• Fan control through hysteresis
  with two temperature values (H and L)
• Four selectable operating modes
• Faulty probe recognition, maximum management flexibility
  and ease of programming, validity check
  of the data entered during programming
• Permanent storage of programmed values
  and data reached by each channel
  (thresholds and historical maximums)
• Dielectric strength between relay contacts and power line
  2.5 KV AC for 60 seconds
• Possibility to use the probes for thermostat control
  of the environment
• Resolution 1°C
• Control unit operating temperature from -20 °C to +60 °C
• Maximum admissible ambient humidity 90%
  non-condensing
• Electrical connections on polarized removable terminals
• Possibility to manually switch relays through the
  relay test menu to simulate or verify contact reliability
• Galvanically isolated output 4-20 mA or 0-20 mA
  (MT 200 C)
• Maximum admissible impedance for current output
  500 Ohm
  Scale 4-20 mA (-10°C 4 mA/+200°C 20 mA)
  Transformation formula: (current in mA temperature
  in °C) Iout = (T+10)/210*16 + 4
  Scale 0-20 mA (-10°C 0 mA/+200°C 20 mA).
  Transformation formula: (current in mA temperature
  in °C) Iout = (T+10)/210*20
• Certification for use in railway environments according to
  EN-50121-5:2006 standard (MT 200 EN50121-5)
• IP address, port, subnet, gateway configuration
  via web browser (MT 200 E)
• Technical manual in five languages
  (other languages on request)
• Built in compliance with EN61000-6-2:2005 2014/30/EU standard
• Input filter against interference compliant with
• Tropicalization (optional)