Siemens SIMATIC RTLS 사용 설명서 - 페이지 14

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Installation and operation

3.2 Operation

3.2

Operation

Battery life

The battery life of the batteries used in the transponder depends on various factors and settings.

Note

To achieve optimal battery life, you must make appropriate adjustments to the delivery state

since it was designed to allow fast commissioning.

Factors that reduce the battery life:

• Continuous use at temperatures below 0°C

Parameter assignment that reduces the battery life:

• Short sign-of-life cycle times < 60 seconds

• Short node search cycle times < 60 seconds

Operations that reduce the battery life:

• Reconfiguration of the transponder via the Locating Manager

• Firmware update (recommendation: change the battery after firmware updates)

With the setting 1 Hz TDOA blinking and 10 minutes sign-of-life interval, the transponder

battery lasts for up to one year at room temperature. The use of motion detection allows the

transponder to switch to an energy-saving mode on standstill. This increases the battery life

to up to five years.

Battery voltage status

The battery voltage status is transferred to the Locating Manager. The following three statuses

are possible. Be sure to only use approved batteries, see section "Technical specifications

(Page 23)". At 2.8 V, a low power warning is sent to the Locating Manager. If the battery has the

status "empty", the transponder switches off autonomously. The values in the following table are

for a room temperature of 20 °C.

Battery voltage status

Full to 10% remaining capacity

~5% remaining capacity

Empty

Communication with the Locating Manager

After sending a heartbeat to the Locating Manager, the transponder is ready to receive for a

defined period of time. During this time, data such as configuration changes or firmware update

data can be initiated on the transponder. Applications that require the transponder to transmit,

such as TDOA blinking or distance measurements, are paused after the heartbeat for this period

and only continued afterwards. TDOA or distance measurements also take place during the

actual transmission of configuration and firmware update data.

Displayed battery voltage in the Locating Manager

3.3 V

3.0 V

2.4 V

Operating Instructions, 08/2023, C79000-G8976-C687-02

SIMATIC RTLS5201T