Lloyds Metals And Energy Site Engineer Interview Questions and Answers for Experienced

Proxy is an intermediary server that acts as a gateway between clients and servers. SMPS is a power supply unit that converts AC to DC. Encoder is a device that converts motion into digital signals. Star delta is a method of starting three-phase motors.

• Proxy helps in hiding the identity of clients and servers.

• SMPS is commonly used in computers and other electronic devices.

• Encoders are used in robotics, automation, and ...read more

No, TIA Portal is not compatible with S7-300 CPU.

• TIA Portal is designed for newer Siemens PLCs like S7-1200 and S7-1500, not S7-300.

• For S7-300 CPUs, Step 7 software should be used for programming.

• TIA Portal offers advanced features like integrated safety, motion control, and HMI design.

• S7-300 CPUs are older models with limited capabilities compared to newer PLCs.

Encoder provides digital output while resolver provides analog output.

• Encoder converts mechanical motion into digital signals, resolver converts mechanical motion into analog signals.

• Encoder is more accurate and provides higher resolution compared to resolver.

• Resolver is more robust and reliable in harsh environments due to lack of sensitive electronics.

• Examples: Encoder - optical encoder, magnetic encoder. Resolver -