POSITIONING MODULE WF 723 3 Ax Selectable for Serial Absolute AND Incremental posit. EncodersAttention, for exchange products, select Exchange and the final price will be 0.00 € receiving a refund from € 0 once we receive the product from its exchange and be validated (portes of your product in charge). If what you want is a repair, Select Repair, Make the purchase and we will get in touch with you to provide you with the shipping address and how to proceed (portes of your product at your charge). The repair time is 3-4 weeks since the reception of the product.