Practicon PR448M1 A1.3 Feed Rate Controller and similar items

Visit and request live test run video and test report, Industrial Sol Pte Ltd Singapore, Jurong East - isolonline QSO493 DNH Practicon PR448M PR448 Smart Feed Rate Controller Belt Weigher Indicator weigh hopper PR448M1 "Model PR448M Multidrop Serial Communications Option" Practicon Control Systems Weighing, Batching Automation System PR448 Model No: PR448M Model No: PR448M1 Hardware Revision: A1.1 Software Revision: A1.3 Power Supply: Universal fused power supply 85-264V AC Relay Outputs: 250VAC/30VDC 5A MAX Digital Inputs: 110-240VAC 50/60HZ Load Cell Excitation: 10V DC @ 125mA max, 1 to 4 x 350 ohm load cells may be connected in parallel. Load Cell Input Range: 0-20mV min, 0-2.5V max. Filter adjustable 0.2 to 20Hz. Weighing Accuracy: Up to 16,384 +/-0.5 divisions.16 bit 1:65,000 internal resolution. Analogue Output: 4-20mA Active Enclosure: Panel mounting DIN case. 144mm wide x 96mm high x 132mm deep. Panel Cut-out 138mm wide x 92mm high. Features Optimum feed rate stability in both high and low flow rate applications. Stored feed rate profile. Batch quantity feed option. Suitable for both automatic and manual refill applications. Low level and out-of tolerance alarms. Adjustable digital filtering for elimination of the effects of mechanical vibration. PR448 ? FEED RATE CONTROLLER The PR448 Feed Rate Controller operates in conjunction with continuous loss-in-weight feeders in order to accurately control the rate of delivery of product from a weigh hopper. The loss-in-weight feeder weigh hopper is mounted on load cells and is fitted with a variable feeding device such as a variable speed screw or vibratory feeder. Multidrop Serial Communications Option The PR448M provides an RS485 serial communications link for multiple feeder applications, a simple protocol using ASCII coded messages is used which is designed to be easy to implement within a host PC or PLC system. Up to 32 PR448M units may be linked via a single twisted pair cable over a distance of up to 1000 metres. Batch Control The PR448 may be used to control the feeding of a preset quantity of material, a digital output can be configured to a belt run function and together with start/stop digital inputs provides the means of running the belt until the desired target quantity has been conveyed. The preset material target total may be entered via the keypad or downloaded serially in the case of the PR448M version. Accurate High Low Feed Rate Measurement and Control The PR448 Feed Rate Controller connects with up to four strain gauge load cells. It supplies 10V DC excitation to the load cells and using a combination of high resolution electronics coupled with intelligent signal filtering techniques conditions the resultant signal to produce a calibrated weight reading. From the reduction in this weight reading during feeding the PR448 Feed Rate Controller continually calculates the rate of feed of material fed from the weigh hopper and the total quantity of material discharged. Configurable Process Alarm Indication Two alarm digital outputs are provided, one for low hopper weight alarm and the other for out of tolerance feed rate or refill rate alarms. Automatic and Manual Weigh Hopper Refill Control When the material in the hopper has dropped to a pre-set level it initiates the refill process by switching to volumetric control, and by setting a refill digital output on. The hopper is then refilled and the gravimetric loss-in-weight operation resumes. Alternatively, it can operate in applications where the hopper is manually filled by switching to volumetric control whenever a sudden rise in weight occurs. Multiple Loss-In-Weight Feeder Systems If you are using a host PLC or PC system that acts as the central point for the transmission of the desired target feed rate for each individual loss-in-weight feeder then you have the option of interfacing to each PR448 Feed Rate Controller either by 4-20mA analogue signals or serial communications using the supported SABus (simple ASCII commands) protocol in order to both set the target feed rate within each individual PR448 Feed Rate Controller and receive the live feed rate data back from each controller. ** Free Expedited / Express Shipping. ** Free Return (30 Days). Power on and tested item testing picture are attached. Have some cosmetic issue plastic body is minor damaged. Please check all pictures before purchasing; there is no technical issue with the item. Have some marks and scratches on item because item is old stock or used condition. All the pictures are Organic and this part is physically in our stock. Condition and Details: This is a used item in normal condition Not In the Original Packing No Accessories / Cables or probe (only what showing in actually given pictures and in the description). Old Stock. Shipping: Usually, we ship same business day, subject to clear funds into our account Standard order processing time is 2 to 3 business days Item will be packed as per International Standard, International Orders: DHL / SingPost / EMS * International buyers pay all custom, duties, taxes brokerage fees at their end Warranty and Returns: Warranty: 30 DAYS Money Back or Replacement Return Accepted. Product Returns: Returns: Return to Base Warranty, Any type of power failure/burn / physical damage / tempered seal will void the warranty. 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