Siemens S120 Manual page 473

Preparatory steps
● Disconnect the drive line-up.
● Make sure the power block is accessible.
● Remove the front cover.
Removal
The steps for the removal procedure are numbered in accordance with the previous diagram.
1. Remove the retaining nuts of the supporting plate for the Control Unit and remove the
2. Disconnect the plug-in connections of the fiber-optic cables and signal cables (5
3. Remove DRIVE-CLiQ cables and connections at –X41/–X42/–X46 (6 connectors).
4. Take out the retaining screws for the IPD card (2 screws) and remove the IPD card from
5. Remove the retaining screws for the Control Interface Module (2 screws).
Installation
To reinstall, perform the above steps in reverse order.
Note
Connecting fiber-optic cables
The fiber-optic cable plugs must be re-inserted at their original slot. Fiber-optic cables and
sockets are accordingly labeled for correct assignment (U11, U21, U31).
NOTICE
Material damage caused by loose power connections
Insufficient tightening torques can result in faulty electrical connections. This can cause fire
damage or functional faults.
• Tighten all power connections with the specified tightening torques, e.g. line supply
AC Drive
Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
supporting plate (3 nuts).
connectors).
The DRIVE-CLiQ cables should be marked to ensure that they are subsequently correctly
inserted.
-X45 connector on the Control Interface Module.
When removing the Control Interface Module, 5 additional connectors (2 at the top, 3 at
the bottom) must be removed one after the other.
NOTICE
Damage to signal cables while removing the power block
The power block might damage signal cables when it is removed.
• Remember that the power block is very heavy.
connection, motor connection.
11.3 Service and maintenance for Chassis format components
Service and maintenance
473