Accessories for Unimotor Servomotors. Signal Cables. Digits 1, 2 and 4 indicate feedback technology. Digit 3 indicates the type of cable. The Digit 5 indicates the completion of the cable on the side of the dispenser. Cables for Incremental Encoders (RC, CA) and Absolutes (versions EM, FM, EC, FC, EB, FB). Signal cable of 10 m. to shrink types CR, CA, EM, FM,EC,FC,EB and FB