Hardy Instruments: Feeder control module, weight controller for closed-loop control

Hardy Instruments, a Rockwell Global Encompass partner, introduced new weight controllers and feeder control module at Automation Fair. See photos.




Hardy Instruments HI 1756-FC Feeder Control Module

Hardy Instruments HI 1756-FC Feeder Control Module

Hardy Instruments, a Rockwell Global Encompass partner, showed its process weighing equipment at the Rockwell Automation Fair in Anaheim, CA. Hardy Instruments manufactures weight controllers and indicators, feeder controllers, and plug-in weigh modules, including those for Allen-Bradley MicroLogix 1500, CompactLogix, ControlLogix, SLC 500, and Series 5, load cells, scales, and a tension controller. Instruments included Hardy's core technologies, such as Waversaver to eliminate the effects of surrounding vibration for fast, stable weight display, C2 electronic calibration without test weights, and Integrated Technician for system diagnostics and troubleshooting.

HI 1756-FC Feeder Control Module

The new Hardy feeder control module, the HI 1756-FC, is a single-scale closed-loop feeder controller designed for use with auger, belt and vibratory-based feeders, converting them from volumetric to gravimetric. It controls and adjusts the feeder speed based on the required rate at which the feeder is losing weight. Featuring true five-point automatic rate calibration, automatic feeder refill, and various alarms, it also includes Waversaver, C2 electronic calibration, and Integrated Technician.

ControlNet interface option on HI 4050 Weight Controller

Hardy will also introduce the new ControlNet network interface (from ODVA) for its HI 4050 multi-purpose weight controller used in batching and blending, filling and dispensing, level-by-weight, and checkweighing applications.


Hardy Instruments HI 4060 Rate Controller

Hardy Instruments HI 4060 Rate Controller

Hardy Instruments' HI 4060 is a compact, single-feeder, closed-loop rate controller for use in a variety of applications, including auger, belt and vibratory-based feeders, converting them from volumetric to gravimetric.

After supplying excitation to the load sensors and digitizing the weight signal, the rate controller provides an analog output to control the feeder speed and adjusts this signal based on the required rate at which the feeder is losing weight.

The HI 4060 loss-in-weight rate controller features:

- Automatic closed loop control: continuously adjusts the feeder to deliver the desired feed rate;

- True five-point automatic rate calibration: produces high feed accuracy for a wide range of feed rates;

- Multiple configuration storage: stores hundreds of different system configurations;

- Automatic feeder refill: starts and stops refilling without interrupting the feeding of material;

- Convenient manual mode: allows manual speed control, with switch to automatic control at the touch of a button;

- Various alarms, including rate tolerance and disturbance;

- Embedded web server for remote access; and

- Communications: optional DeviceNet, EtherNet/IP, Remote I/O, Profibus, Modbus TCP/IP, and analog.

Also see, from Automation Fair 2009:

- HMS Industrial Networks gateways ;
- MTS linear position sensors increase linear actuator performance, productivity ; and
- Rockwell Automation touts smart, safe, sustainable manufacturing solutions.

- Edited by Mark T. Hoske, editor in chief, Control Engineering www.controleng.com

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