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236135101

Series: microLoad.net™ Preset - Spare Parts Brand: Guidant

MACF Board (Standard) - Item 4

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Specifications

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AC Instrument Input Power

  • Dual Voltage Input: 115 or 230 volts Alternating Current Power (VAC) via Switch Selection, 50/60 Hertz (Hz)
  • Power Consumption: Approximately 9 W
  • Power Interruption Tolerance: Interruption of Power greater than 0.05 seconds (typical) will cause an orderly Shutdown of the microFlow.net and the control valve will be immediately signaled to close

Digital (Meter Signal) Pulse Inputs

  • Type: Optically-Isolated, Solid-State Voltage Sensors
  • Quantity: Two
  • Input Voltage Range: 5 to 28 Volts Direct Current (VDC) Compatible
  • Pickup Voltage: 5 Vdc min.
  • Drop-Out Voltage: 1 Vdc max.
  • Current at max. Voltage: 20 mA max.
  • Minimum Pulse Input Frequency: 3 Hz
  • Input Level Duration: 83 microseconds (μS) min.

Digital Control Inputs

  • Type: Optically-Isolated, Solid-State Voltage Sensors
  • Quantity: Three
  • Input Voltage Range: 5 to 28 Vdc Compatible
  • Pickup Voltage: 5 Vdc min.
  • Drop-Out Voltage: 1 Vdc max.
  • Current at max. Voltage: 20 mA max.
  • Input Level Duration: 120 ms (mS) min.

Analog Inputs

  • Type: 20-bit Analog-to-Digital Converters
  • Function: One Resistance Temperature Device (RTD), One 4-20 mA

Temperature Resistance Temperature Detector (RTD)

  • Type: Four-wire, 100-ohms Platinum RTD with a Temperature Coefficient at 32° to be 0.00214 ohms per ohms°F (0.00385 ohms per ohms/°C)
  • Temperature Range: -148° to +572° F (-100° to +300° C)
  • Temperature Measurement Accuracy: ± 0.72° F (± 0.4° C) over the Specified Range

Current (4-20 mA) Input

  • Type: Two-wire, 4-20 mA Current Loop Receiver, Programmable as to Function
  • Span Adjustment: Program Adjustable
  • Input Burden: 50 ohms
  • Accuracy: ± 0.025 % of Range
  • Resolution: One part in 1,048,576
  • Voltage Drop: Two Volts max.
  • Sampling Rate: One Sample per 300 millesecond (ms) min.

DC Power

  • 12 Vdc ± 5 %, 180 mA maximum, Short-Circuit Protected

AC Digital Outputs

  • Type: Optically Isolated, Solid-State Output, User-Programmable as to Function
  • Quantity: Four
  • Load Voltage Range: 90 to 280 Vac Root Mean Square (RMS) 48 to 63 Hz
  • Steady-State Load Current Range: 0.05 amp (RMS) minimum to 0.50 amp (RMS) maximum into an Inductive Load
  • Leakage Current at maximum Voltage Rating: 2.5 mA maximum at 240 Vac
  • On-State Voltage Drop: 2.0 Vac at maximum Load

DC Digital Outputs

  • Type: Optically Isolated, Solid-State Open-Collector Output, User-Programmable as to Function
  • Quantity: Two
  • Switch Blocking Voltage: 30 Vdc maximum
  • Load Current: 150 mA maximum with 0.6 volt drop; Power Down - Normally Open

Pulse Output

  • Type: Optically Isolated, Solid-State Open-Collector Output; Pulse-Output Units are Program-Selectable through the microLoad.net keypad or communications
  • Switch-Blocking Voltage (Switch Off): 30 Vdc maximum
  • Load Current (Switch On): 10 mA with 0.6 Volts drop
  • Frequency Range: 0 to 3,000 Hz
  • Duty Cycle: 50/50 (On/Off)

Environmental

  • Ambient Operating Temperature: -13° to 140° F (-25° to +60° C)
  • Humidity: 5 to 95 % with Condensation
  • Enclosure: Explosion-proof (NEMA7, Class I, Groups C and D) and Watertight (NEMA 4X), IP65
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