Siemens SINAMICS GL150 - Replacing the Surge Suppressor

Procedure
NOTICE
Destruction of the fiber-optic cables
Fiber-optic cables can be destroyed under the following conditions:
● The bending radius is less than 20 mm.
● The fiber-optic cables are subject to strong light.
● The fiber-optic cables are exposed to temperatures of over 80° C.
Handle the fiber-optic cables carefully. Do not bend them with a bending radius of less than
20 mm. Protect the fiber-optic cables from heat and strong light.
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① Knurled nut
② Fiber-optic cable
Figure 9-12 Releasing a fiber-optic cable
To disconnect the fiber-optic cables, proceed as follows:
1. Carefully unscrew the knurled nut ①.
2. Pull the fiber-optic cable ② out.
3. Insert the new fiber-optic cable as far as it will go. If correctly fitted, the white ID ring must
be flash with the opto-transmitter or opto-receiver.
4. Tighten the knurled nut ① again by hand.
9.6.11 Replacing the surge suppressor
To replace the surge suppressor, proceed as follows:
1. Release the screws.
2. Remove the defective surge suppressor.
3. Insert the new surge suppressor.
4. Screw the surge suppressor in place.
The maximum tightening torque is 20 Nm. The surge suppressor must not be subjected to
a transverse force greater than 370 N.
Maintenance
9.6 Repairs
SINAMICS GL150 6SL38503UM114PA0Z
130 Operating Instructions 04/2017