S7-1200 6ES7231-5ND32-0XB0 Entrada análog. SM 1231, 4AI, 16bit S7-1200 6ES7231-5PD32-0XB0 S7-1200 entrada análog. SM1231 RTD, 4AI S7-1200 6ES7231-4HD32-0XB0 Entrada análog. SM 1231, 4AI ET 200SP 6ES7134-6JD00-0CA1 ET200SP 4AIxRTD/TC ET 200SP 6ES7134-6HD00-0BA1 ET 200SP, AI 4XU/I 2-WIRE ST
