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Is it possible to modify the ratio of a current transformer (CT)?

Product Line 3090SCCT Environment CT Ratio Resolution *Warning: Installation and maintenance of this device should only be performed by qualified, competent personnel that have appropriate training...

How to save the parameters in the keypad and upload to another identical...

Issue: Trying to save the parameters in the keypad and upload them to another identical ATV630 drive. Product Line: ATV630 drives Environment: Keypad Cause: Transferring files Resolution: Go to Main...

Why can't I use a domestic model APC UPS on a ship

Issue: In North America, one would expect to see approximately 120 volts when measuring from hot to neutral and from hot to ground. However, large ships use delta power. That is, there are two hot...

Can I simulate PTO function blocks in SoMachine Basic?

Issue: Can I simulate PTO function blocks in SoMachine Basic? Product Line: M221, TM221 Resolution: Just like the PID blocks, you cannot simulate PTO functions blocks in SoMachine Basic. You will...

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Learn more through our Generic Knowledge FAQsGeneral Knowledge

Insulation Resistance Testing and Humidity

Issue: How does humidity affect insulation resistance testing results? Product Line: Circuit Breakers Environment: Molded case and insulated case breakers Resolution: High humidity can drastically...

What’s AC-3e rating means and what’s their application ?

AC-3e rating is the capability of the contactor for starting and switching off high efficiency squirrel cage asynchronous (IE-3/ IE-4) motors during running and reversing operations, which have...

How to establish the communication with S7-1500 PLC if using TIA Portal...

In PLC side: 1.Use TIA Portal V11-V16 to configure the PLC communication settings. 2.Select the PLC and enter the correct version of the firmware (We can check for the firmware version of the PLC in...

Symmetra PX 250/500K power module life cycle alarm

Issue: Symmetra PX 250/500K power module life cycle alarm Product line: Symmetra PX 250/500K Cause: Customers may call in to request an FSR or ask how to reset the life cycle alarm on the power...