part number: 6es7288-1sr40-0aa0
condition: new & original
warranty: one year
delivery date: 5-7 days after payment
simatic s7-200 smart, cpu sr40, on, ac/dc/ relay, airborne i/o: 24 24v dc digital inputs; digital output of 16 2a relays; power supply: ac 47-63hz 85-264v ac, program memory/data memory 40kb
ethernet communication between 7-1200 cpus and s7-300 cpus is realized through s7 communication. when s7-1200 is used, cp343-1 is used as the server, which needs to be connected and programmed in a single side configuration, while s7-300 is used as the server, which only needs to be prepared for the data communication.
s7-1200 / s7-300 cp343-1 equipment
(2) the step7 v11
communication tasks completed:
s7-1200cpu write the data in local db3 to db4 in s7-300cpu.
the s7-300 cpu writes the data in the local db3 to db4 in the s7-1200cpu via the cp card.