Answer / hemant bhati

Modbus is a Modicon bus it doesnt require dedicated
interface card as it required for fieldbus(Profibus) Modbus
can communicate from serial printer port via RS-485 n RS-
232 while Fieldbus can communicate from RS-485 ONLY.

HI THIS IS NOOR AHMMAD.SHAIK, I AM WORKING IN INSTRUMENTATION MAINTENANCE Dept. in BOILER HOSE(BHEL HYDERABAD),,any other persons are working in same dept. i want some HELP in my subject

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