PC300 Process Controller
Process control meter and industrial control system
 
Process Control System FEATURES:
 
  • Digital LCD screen
  • Easy to use 4 button interface with user selectable sensor types
  • 4-20mA analog output for recorders or displays
  • 2 independent output relays with parallel open collector signal lines
  • Water resistant enclosure
 
Process Controller Product Description
The Process Controller is reliable, accurate and suitable for measuring all types of 2 and 3 wire sensors with 4-20mA outputs including all of Global Waters sensors.  The controller comes pre-programmed for use with 10 different sensors and 14 engineering units.  In addition, the PC300 can be programmed at the factory to monitor any type of custom sensor in any units selected by the customer.  The controller can also monitor sensors with voltage outputs if specified at the time of purchase.

Display and Outputs
The LCD display shows the type of sensor that is being monitored, the data reading and the engineering units.  The display also indicates if either relay has been triggered since last reset, which relay was triggered and whether the maximum or minimum limit was exceeded.  Two separate relays are provided for controlling all types of external devices including samplers, alarms, mixers, pumps, control valves, floodgates and telemetry systems.  Each relay is independently programmable to trigger on maximum and/or minimum levels in one of three different modes.

Installation
The Process Controller has many applications and therefore many installation solutions.  The case is rugged and can be easily installed in a variety of conditions.  Four screw holes are provided for securing the case to a wall, panel or different types of mounting hardware.  While the case is watertight and will resist moisture, Global Water does not recommended that the PC300 be mounted outdoors without providing protection from continuous exposure to the weather.

Process Controller Specifications

Power: 90-240 AC or 12VDC
   60mA DC normal, 150mA maximum
   120uA average during sleep mode
Sensor Reading: 5 digits + decimal point
Analog Sensor Input: 4-20mA, 0-1V, 0-5V
Input Resolution: .005mA or 0.24mV
Relay Contacts: Voltage: 30VDC
   Current: 5A/30VDC
   Max Capacity: 150W
   Relay 1, 2nd Output: NPN to Ground, 1.0Kohm pull-up resistor
   Relay 2, 2nd Output: NPN to Ground, Open-collector
Analog Output: 4mA minimum, 20mA maximum
   Resolution: 0.005mA
Sensor Types/Units: Water Level (Feet/Meters), Temperature (F/C), pH (no units), Dissolved Oxygen (%), Turbidity (NTU/ppm), Conductivity (S), Wind Speed (MPH/KPH), Wind Direction (), Soil Moisture (%), Custom Sensor (any of the above, mA, mV or custom programmed units)
Sensor Data Range: 0.000 to 60,000 (60000 in the display with 4 different decimal point positions)
Relay Time Ranges: 1-60,000 seconds (16.7 hours)
   Resolution: 1 second increments
Sleep Time Range: 1-240 minutes (4 hours)
   Resolution: 1 minute increments
Operating Temperature: 32 to 122 F (0 to 50 C)
Storage Temperature: -4 to 158 F (-20 to 70 C)
Enclosure (WxHxD): 4.7x7.9x3 in (12x20x7.5 cm), NEMA 4X
Weight: 31oz (879 g)

Process Controller Options

PC300 Process Controller    
FCBAT Environmental Enclosure option
Includes battery and battery charger
   
PC300-DS Process Controller Internal Datalogging option
Includes internal GL500S-2-1.
   
PC300-DU Process Controller Internal Datalogging option
Includes internal GL500U-2-1.
   
Deluxe PDA Package 
Handheld PDA download package for GL500 Dataloggers.  Standard PDA can read data from 23 full dataloggers before running out of memory.  NOTE: PDAs WILL NOT INTERFACE WITH GLOBAL WATER DATALOGGERS WITHOUT A CUSTOM SERIAL CABLE (Serial cable is included with this package.)
  Process Controller PDA
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WQS-STD Water Quality Sampling System   Water Quality Process Controller
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3675 pH Controller    
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3671 ORP Controller    
6308DT Industrial Dissolved Oxygen Transmitter
 

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