SIMATIC S7-300. DIGITAL OUTPUT SM 322. OPTICALLY ISOLATED. 8 DO. 24V DC. 0.5 A (1 X 8 DO). SHORT-CIRCUIT PROTECTION. DIAGNOSTICS. 1 X 20 PIN
SIMATIC S7-300. DIGITAL OUTPUT SM 322. OPTICALLY ISOLATED 16 DO. 120/230V AC. 1 A. 1 X 20 PIN
SIMATIC S7-300. DIGITAL OUTPUT SM 322. OPTICALLY ISOLATED. 8 DO. 24V DC. 2A. 1 X 20 PIN
SIMATIC S7. DIGITAOUTPUTL SM 322. OPTICALLY ISOLATED. 4 DO. 15V / 20MA. 1 X 20 PIN. FOR SIGNALS FROM HAZARDOUSAREAS CAPABLE OF DIAGNOST..PTB-TESTED