Hardy Process Solutions

How do I protect my controllers, systems and scales from static electricity?

What is the best way to protect my Hardy controllers, systems and scales from static electricity problems? My system locks up on a regular basis and I think it is caused by static.

Common PLC definitions

I'm starting a learning curve with your products and am not familiar with many of the acronyms used. Can you provide a definition for common PLC terms?

Why are we getting an A/D error after we replace our old controller?

We are replacing our obsolete weight controller with a new Hardy controller and want to reuse the same load cells. Our traditional calibration methods are giving us problems when we try to set the span. I think it's because our old unit has 10 volts excitation and the Hardy unit has 5 volts excitation. When we run the mV calibration signal above 15, we get an A/D Conversion Error on our Hardy unit. Do we need to take our old calibration values and divide by 2?

Why can't we get a signal out of our summing junction box?

We cannot get a signal out of our summing junction box? What could be the problem?

What is the difference between a load cell, load sensor and load point?

What preventative maintenance do I need to perform on my scale?

What preventative maintenance do I need to perform on my scale? I want to make sure my scale is weighing correctly all the time.

Why are the relays clicking on my IT summing card?

I am using a HI215IT-PS1 summing box, 3 Hardy load cells and a Hardy weight controller or PLC module. We are also using C2 cable between summing box and Hardy Instrument, and we are hearing a very loud clicking noise at the summing box. What can be causing this?

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