Good afternoon, tell me what configuration to choose:
A task:
We need a controller, which should:
a) periodically poll part by MODBUS-RTU equipment (485)
b) periodically poll the part on MODBUSTCP equipment (Ethernet)
c) send SMS
g) send SNMP trap to a superior ERP system
d) Have a web server
What advise: S7-1500, S7-1200, S7-300?