Siemens SIMATIC TI500 Spezifikationen Seite 105

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4-22
Installing 575 System Hardware SIMATIC 545/555/575 System Manual
Installing the Battery (continued)
The battery cable has a polarized connector to allow easy disconnection and
re-connection of the battery. When you first power up your system, the
battery must be disabled. To disable the battery, disconnect the battery
connector shown in Figure 4-13 by squeezing the locking tabs to release
them and then pulling apart the connector plugs.
Battery connector
+
Battery fuse
Figure 4-13 Disconnecting Back-up Battery Before Powerup
The in-line battery fuse is a 4 A, 3 AG, 1
1
@
4
-in. x
1
@
4
-in. normal blow fuse.
Replace with a UL-approved fuse of the same rating (PPX:25876798016).
NOTE: Comply with applicable federal, state, and local regulations when
disposing of the battery. The battery contains lead, which is a hazardous
waste material. Dispose of batteries properly.
Disabling the
Battery
Battery Fuse
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