SIMATIC S7-300, Analog input SM 331, isolated, 8 AI, Resolution 9/12/14 bits, U/I/thermocouple/resistor, alarm, diagnostics, 1x 20-pole Removing/inserting with active backplane bus. Type : 6ES7331-7KF02-0AB0 Brand : Siemens Condition : The actual condition is new, only used for commissioning spare parts and the box has been opened. Note: 1. Datasheet available upon request. 2. Contact the seller to confirm stock status.