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8027872/1JTM/0-8/2023-05| SICK O P E R A T I N G I N S T R U C TI O N S | FLOWSIC550
Subject to change without notice
ELECTRICAL INSTALLATION 7
7.4 Battery operation
The battery packs are already inserted in the device.
Connect the batteries to the BAT1 and BAT2 terminals.
Service life of battery packs
Under typical operating conditions, the expected total service life of both battery packs is
5 years. Battery life may vary depending on the I/O configuration:
● In battery operation, preferably use DO_1 and DO_2 (LF + status or 2 times LF).
● Configure status outputs so that they are inactive during normal operation.
● If DO_0 is active, the power consumption of the device is significantly increased. In bat-
tery operation, DO_0 may only be used for status "Warning" and "Error".
The FLOWSIC550 needs more power:
● when the display is used frequently,
● when the Bluetooth interface is used frequently,
● when the serial data interface is used frequently.
The capacity of the batteries is reduced in unfavorable climatic conditions, for example
when the temperatures are significantly higher or lower than 25°C (77° F).
WARNING: Hazard through wrong spare parts
▸ Only the exchangeable battery packs from SICK with Part No. 2064018 may
be used for the power supply of the device.
▸ Do not use damaged batteries; they must be disposed of correctly!
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