bids are invited for plc system for annealing furnace - design, engineering, supply, development of plc and hmi program, installation, testing and commissioning of plc and hmi system of annelaling furnace #3 of rolling plant.the details of existing obsolete plc and hmi system are as follows:------------------------------------------------------------------ simatic s5-100u cpu103 6es5 103 8ma03: 01 no. analog input 4 x +- 50mv 6es5 464-8ma21: 02 nos. analog input 4 x 4-20ma 6es5 464-8me11: 02 nos. serial interface cp521 si 6es5 521-8ma22: 01 no. relay output 4 x 30vdc/230vac 6es5 452-8mr11: 09 nos. digital input 8 x 24vdc 6es5 431-8ma11: 02 nos. digital input 8 x 230vac 6es5 431-8mc11: 07 nos. hmi coros op15: 01 no.note- other technical details are mentioned in nit. , scope of service - scope of service:-==================- development of logic software- development of hmi software- supervision of installation and wiring- cable termination and io checking- commissioning of the system total quantity : 1