Siemens 6ES7155-6AU01-0BN0 SIMATIC ET 200SP, PROFINET interface module IM 155-6P 4047623408147 | eBay
Siemens 6ES71556AR000AN0 6ES71556AR000AN0 SIE
Siemens SIMATIC 6ES75101SJ010AB0 Central Processing Unit, CPU 1510SP F-1 PN for ET 200SP, 1st interface: PROFINET IRT with 3-port switch, 72 ns bit Performance, SIMATIC Memory Card Required, BusAdapter Required for Ports