S7-1200模塊232-4HD32-0XB0S7-1200模塊232-4HD32-0XB0
6ES7231-5PD32-0XB0
SIMATIC S7-1200,模擬輸入, SM 1231 RTD溫度傳感器,RTD溫度傳感器模塊 4個模擬輸入
6ES7231-5ND32-0XB0
SIMATIC S7-1200,模擬輸入, SM 1231,4 模擬輸入, +/-10V,+/-5V,+/-2.5V,+/-1.25 或 0-20mA/4-20mA, 15 Bit+符號 Bit
6ES7231-5PA30-0XB0
SIMATIC S7-1200,模擬輸入, SB 1231RTD,1 AI RTD, PT 100 和 PT1000