Square D (Schneider Electric) 170AMM09000 Programmable Logic Controller Chassis I/O Subsystem. Schneider Electric Modicon® Analog/Digital Discrete Module Differential Input/Output Standard Series: 170AM 4 Inputs 2 Outputs 1/10 ms Conversion Rate 12 to 14 bit Resolution +/-0.5 % Accuracy 0.1 to 3.3 ms Step Response 24 VDC 2 A 6 W Power 0 to 60 deg C 47.5 mm L x 141.5 mm W x 125 mm H Dimensions. Additional Description: SQD -170AMM09000 4 AI/2 AO 4 DI/2 DO OUT. Catalog Description: Schneider Electric4 AI/2 AO 4 DI/2 DO24 VDC4 (Input-Analog Discrete) 2 (Output-Analog Discrete)Analog DiscreteAnalog DiscreteI/O BaseModicon.