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MFC-300/N Level Monitor


MFC-300/N
MFC-300/N
MFC-300/N
MFC-300/N
MFC-300/N
MFC-300/N
 The MFC-300/N is a precise, highly reliable and versatile microcontrolled system designed to read, display and retransmit multiple channels containing level information. The MFC-300/N can be supplied in configurations with up to 6 input channels and 12 independently configurable relays. Each relay may be associated with any input, and has a configurable setpoint, hysteresis and activation delay.

The MFC-300/N features 6 compensated resistive sensor inputs, 1 isolated RS-485 port, 12 configurable relays, 6 isolated configurable current loop outputs and up to 2 failure indication relays.
Documentation
Manuals Best practices for installation The articles above were written by Keith Armstrong from Cherry Clough Consultants.
Electrical, Structural and Environmental Characteristics
  • 80-265V universal power supply
  • Full galvanic isolation
  • Available enclosures: 96x48 mm, 96x96 mm and weatherproof
  • Panel assembly
  • Operation at up to 70°C
Technical Characteristics
Inputs
6 resistive, voltage or current inputs.

Resolution
16 bits for all analog inputs and outputs.

Interfaces
RS485, optically isolated (≥ 1.5 kV, 60 Hz, 1 min.), with MODBUS or DNP3 protocol support.

Analog Outputs
Software configurable current loop: 0-1, 0-5, 0-10, 0-20 or 4-20 mA. Isolated outputs (≥ 1.5 kV, 60 Hz, 1 min.).

Relays
12 relays, assignable to any channel, with individual setpoint, hysteresis, forced activation, activation logic and timeout settings. Switching capacity of at least 5A x 250 Vac or 0.5A x 125 Vdc. Galvanic isolation ≥ 1.5 kV (60 Hz, 1 min.).

Display
2 lines, 16 characters each (5 mm). LCD with backlight.
Software Configurable Parameters
Set Point[1-12] (0 to 255 °C)
Set point for relays 1-12.

Hysteresis[1-12] (0 to 255 °C)
Hysteresis for the activation/deactivation of relays 1-12.

Delay[1-12] (0.1 to 25.5 min.)
Delay for the activation of relays 1-12.

Associated Channel[1-12] (1 to 6)
Channel associated with each relay.

Forced Activation[1-12] (Normal, Activated)
Selects if a relay responds to level variations (Normal) or if it is permanently activated (Activated).

Activation Logic[1-12] (Normal, Inverted)
Defines whether a relay's activation logic is Normal (relay closes when its set point is exceeded) or Inverted (relay opens when its set point is exceeded).
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