thePetroStreet

Naqqash,

This is a very comprehensive document. I got a chance to scan through and must say its covering the topic in reasonaby good detail. The pictures add a lot to help understanding as well.
Highly recommended for all Electrical Engineers, especially students and fresh grads.

Thanks for ...

WVW,

The file seems fine to me, I downloaded and it worked fine. Suggest you try again.

Guys,

Does Honeywell provide Ethernet or Modbus communication module for the their TDC-3000 DCS?

I need to import/export information (both digital and analog including signal values, commands, set-point changes) from a ControLogix PLC and the Honeywell TDC-3000. I know that Ethernet Communication ...

Attached is an image depicting the API Recommended Installation of level instrumentation on a Pressure Vessel, including level switch, transmitter, or a GLG (level gauge/glass). Hope its gonna be useful especially for Process or Instrument Engineers involved in designing.

Level Instrument ...

Does anyone know any vendors/suppliers in Pakistan that supply ASCO Products?

Heres another!!!

Attached is a brief publication from Siemens explaining the mathematical model for MTBF of electronic equipment.

Thanks Nouman, the point youve made seems quite logical.

Guys,

Ive worked on Allen Bradley ControlLogix PLCs, and in my opinion they are extremely reliable and eser friendly.

How does ControlLogix PLC compare with Siemens Simatic S-7 PLC in terms of reliability, ease of programming, maintenance and MTBF.

Yes, I guess I should have shared the reason earlier.

The motor is to be used as a starter motor for a gas turbine. As per the start-up of the machine, the motor has 2 different speed set-points to operate at, high speed SP and low speed SP. The reason for the VFD is obviously to control the speed ...