Lincoln Service Parts 2 › Lincoln Electric 9SS29287-39 PLC EXPANSION MODULE S29287-39 Lincoln Electric 9SS29287-39 PLC EXPANSION MODULE S29287-39 Sale Price: $1,869.42 Original Price: $2,149.83 PLC EXPANSION MODULE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PLC EXPANSION MODULE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1