Siemens SINUMERIK 808D ADVANCED Commissioning Manual page 131

1. Loosen the screws on the top of both the motor terminal box and the fan terminal box to remove the terminal box
covers.
2. Remove the three screw plugs on one side of the two terminal boxes.
3. Loosen the cable gland pre-assembled on the encoder cable. Pass the encoder cable through the first threaded hole
in the motor terminal box housing. Follow the steps below to connect the encoder cable to the motor terminal box:
3a. Insert the male connector of the encoder cable into the female connector in the motor terminal box.
3b. Tighten the cable gland of the encoder cable onto the threaded hole.
4. Pass the power cable through the cable gland, and then through the second threaded hole in the motor terminal box
housing. Follow the steps below to connect the power cable to the motor terminal box:
4a. Remove from the terminal box the three binding post nuts that correspond to the power cable terminals U, V, and W.
Place the three terminal lugs at the end of the power cable conductors onto the corresponding binding posts. Fasten
the cable conductors with the nuts. Remove the grounding screw for power terminal PE. Place the terminal lug of the
PE conductor on the grounding screw, and then tighten the screw for the PE terminal.
4b. Tighten the cable gland of the power cable onto the threaded hole.
5. Pass your own fan cable (recommended cable outer diameter: 4 mm to 8 mm) through the cable gland, and then
through the threaded hole in the fan terminal box housing. Follow the steps below to connect the fan cable to the fan
terminal box:
5a. Loosen the four screws that correspond to the fan cable terminals U, V, W and PE. Insert the terminal lugs at the end
of fan cable conductors into the corresponding sockets under the binding posts, and then fasten the cable conductors
with the screws.
5b. Tighten the cable gland of the fan cable onto the threaded hole.
Commissioning Manual
01/2017
131