bids are invited for purchase of plc spare for bidhnu plant redundant cpu controller , ethernet communication module , melesec net communication module , main base rack 5- slots , rack power supply 100-240vdc input 5vdc 6a output , melesec net io communication module , 8 slots base rack , rack power supplv 100-240vdc lnout 5vdc 8.5a outm , 32 channel 24v dc digital input module , 32 channe l 24vdc digital output module , 8 channe l 4-20ma analog input module , modbus rs 5 , connector for module , industrial grade grade managed 16 port ethernet switch , mcb dp 230vac 32amps din mount , mcb dp 230vac 2amps din mount , mcb dp 230vac 6amps din mount , mcb dp 230vac 4amps din mount , mcb dp 230vac 20amps din mount , space heater and thermostat -shi ths 1 , smps lnput-230vac output-24vdc 20amps , oring diode 20a , 16 channel relay board with relays 2 co 24vdc omron relay , panel fan 6inch 230vac filter j48xj48mm , temperature scanner 16ch with modbus rs485 comm total quantity : 48