supply of - backup battery: siemens plc backup battery (part no. 6es7971-0ba00). rtd input module: siemens rtd input module (part no. 6es7331-7pf01-0ab0). analog input module: siemens analog input module (part no. 6es7336-4ge00-0ab0). digital input module: siemens digital input module (part no. 6es7321-1bh02-0aa0). digital output module: siemens digital output module (part no. 6es7326-2bf01-0ab0). scalance module: siemens scalance network module. analog output module: siemens analog output modul

National Thermal Power Corporation Limited has invited bids for the supply of - backup battery: siemens plc backup battery (part no. 6es7971-0ba00). rtd input module: siemens rtd input module (part no. 6es7331-7pf01-0ab0). analog input module: siemens analog input module (part no. 6es7336-4ge00-0ab0). digital input module: siemens digital input module (part no. 6es7321-1bh02-0aa0). digital output module: siemens digital output module (part no. 6es7326-2bf01-0ab0). scalance module: siemens scalance network module. analog output module: siemens analog output module (part no. 6es7332-5hf00-0ab0). memory module: siemens memory module (part no. 6es7952-1ap00-0aa0). project: supply of siemens dcs spares for ntpc barh.| quantity - 27.. Please refer to the tender document for project value and EMD details. Interested bidders can submit applications until 5 October 2026. Please refer to the tender document for the bid opening date.