Installing The Fan/Battery Module - Siemens SIMOTION D425 Manual

Spare parts/accessories
6.2 Fan/battery module
Buffering data
For the retentive storage of process variables, the SIMOTION D4x5 has SRAM memory that
is backed upby SuperCap to protect against a power failure. This backup is stored for at
least 5 days. There are two options for storing retentive data for a longer period:
● the system command _savePersistentMemoryDatato store retentive data on the
● Use of the fan/battery module
Battery
A 3 V lithium battery can be inserted in the fan/battery module. The battery is preassembled
with an approximately 4 cm long cable with plug. The appropriate mating connector is
attached to a small printed circuit board for connection in the fan/battery module.
See also
List of available spare parts and accessories (Page 81)
Replace battery in the fan/battery module (Page 71)
6.2.2

Installing the fan/battery module

Overview
The procedure for installing the fan/battery module is described below. Double fan/battery
modules are installed in a similar way and so are not referred to explicitly.
Procedure
Two plastic rails for installing this module are located on the underside of the control unit.
Proceed as follows to install the fan/battery module:
1. If required, insert a battery in the fan/battery module.
2. Hold the fan/battery module at an angle to the front with the open side facing up (battery
70
CompactFlash Card (CF) of the SIMOTION D4x5
– Backing up of data when installing a spare part
– Backing up data when a battery is not going to be used
– Supplied with the SIMOTION D445/D445-1
– Optional in the case of SIMOTION D425/D435
Note
The backup time when a battery is used is at least 3 years. In anticipation of
replacement, you should also back up the SRAM data on the CompactFlash Card via
the application ("_savePersistentMemoryData"). Temperature faults are recorded and
signaled by the control.
visible).
D4x5
Manual, 05/2009