Arthur Grillo DIFFERENTIAL PRESSURE & VOLUME FLOW MULTI RANGE CONTROLLER DPC310

Brand:Arthur Grillo
Model:DPC310
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Description

Electromechanical diaphragm measuring system
Measuring range from 0…50 Pa (0.5 mbar) up to 0…6000 Pa (60 mbar)
Alphanumeric LCD-display
Analogue output 0…10 V
Selectable measurements (differential pressure or volume flow)
Selectable units (metric or imperial)
Adjustable k-factor for volume flow calculation
Controlling mode or measuring mode selectable
Measuring mode with adjustable limit value
Supply voltage 10…30 Vdc; 24 Vac (+/-15%)
Compact plastic housing IP 54
Control mode with adjustable:

2 setpoints
Setpoint configurable via external signal input option:
– 10 V DC signal or temperature sensor
PI parameters for PI algorithm
Maximum output voltage
Control effect positive / heat or negative / cool

GRILLO-DPC differential pressure controllers / volume flow controllers are used to measure and control low differential pressures of non-aggressive gases, especially air. A signal of 0…10V is available to the user as an analog output. Depending on the setting of the device, this signal has different meanings. If the instrument is used as a pressure sensor, the output signal is proportional to the measured pressure. As a volume flow sensor, the device provides a root-equipped output signal. In pressure or flow rate control, the output signal represents the manipulated variable of the PI control.

It is used, for example, in air conditioning technology for controlling fans, monitoring room pressure or controlling filters. In addition to the analogue output, an additional alarm output (open collector) is available for limit value monitoring or filter monitoring.

The differential pressure controller / volume flow controller DPC310 is based on the DPC200 and expands its range of functions, thus providing more dynamics.

In control mode, the setpoint of the DPC310 can now be set dynamically. This can be done by an external input of a 10 V DC signal or in combination with a temperature sensor. Pressure and flow rate are no longer solely responsible for fan control, but other factors such as the outdoor temperature can play a role. The four preset measuring ranges are an additional improvement. Four important measuring ranges were combined for each application. This increases the range of application and simplifies ordering and warehousing.

In addition, the DPC310 offers all the functions of the DPC200.

TECHNICAL SPECIFICATIONS:

  • Operating mode:Measuring mode or control mode
  • Measuring medium:Air or non-aggressive gases
  • Measuring principle:Electromechanical diaphragm measuring system
  • Measuring unit:Pa / inH2O or m3/h or cfm
  • Smallest measuring range:0…50 Pa (0.5 mbar) / 0.2 InH20
  • Largest measuring range:0…6000 Pa (60 mbar) / 24 InH20
  • Measuring range selection:4 preselected measuring ranges, switchable via software
  • Adjustable controlling parameters:P/I – parameter, k-factor, maximum output voltage, normal/ inverse control
  • Characteristic:linear or square root
  • Ambient temperature:-10…+50°C
  • Storage temperature:-25…+60°C
  • Control characteristic:PI – algorithm
  • Setpoint settings:2 setpoints adjustable within software, Setpoints are selectable with floating contact input
  • Signal input:0…10 V, multifunctional input extern setpoint: 0…10 V input is related to measuring range temp. compensated setpoint: 0…10 V input is related to -30.0…+70.0°C
  • Limit signal Output / alarm output:Open Collector, max. 30 V / 30 mA
  • Alarm delay time:Freely adjustable in the range of 0 … 60 seconds – 2 … 15 minutes
  • Housing:UL 94 HB; Ultramid with hinged lid of ABS
  • Dimensions:95 x 70 x 54 mm (w x h x d)
  • Weight:approx. 250g
  • Protection class:IP54 according EN60529
  • Display:Two-line alphanumeric LCD display, 2 x 16 characters
  • Electrical connections:Cable entry M16x1.5, screw terminals, electronics protected against incorrect polarity
  • Cable entry:2 x M16
  • Pressure connections:Hose connections 5 mm ø and 6 mm ø
  • Operational position:Vertical, position dependence when rotated through 90 ° approx. 25 Pa
  • Power supply:10…30 Vdc; 24 Vac (±15%)
  • Power consumption:approx. 8 mA @ 10 Vdc, approx. 10 mA @ 24 Vdc
  • Output:0…10 V;10 Vdc: Imax = 0.5 mA, Rmax = 20 kΩ  24 Vdc: Imax = 4.0 mA, Rmax = 2.5 kΩ

 

 

 

 

 

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