SIMATIC S7-200, ANALOGEINGABEEM 231, POTENTIALGEBUNDEN3 AE, AUFL. 12 BIT UNIPOLAR,DC 0-5 V/ DC 0-10 V, 0-20 MANUR FUER S7-21X CPU,SIMATIC S7-200, ANALOG INPUTEM 231, NON - ISOLATED, 3 AI12 BIT UNIPOLAR, IN RANGES:DC 0-5 V/ DC 0-10 V, 0-20 MAFOR S7-21X CP