Rated value (DC) 24 V: From power module from load voltage L+ (without load), max.: 30 mA from backplane bus 3.3 V DC, max.: 10 mA Power loss, typ.: 0.6 W Address space per module, max.: 8 byte Number of analog inputs: 4; 2 for 3 or 4-wire connection Isolation tested with: 500 V DC Dimensions (W X H X D): 15 X 81 X 52