8. Only now the CPU can connected to power.
Set the time of the real-time clock.
Parameter Value
RTC accuracy (at 25 °C) Typ. ±2 s / 24 h
Part No. Description Product Life Cycle Phase *)
1SAP 181 500 R0001 TA562-RS-RTC, serial
RS-485 and real-time clock
adaptor for PM55x-xP and
PM56x-xP
Active
1TNE 968 901 R5210 TA562-RS-RTC, serial
RS-485 and real-time clock
adaptor for PM55x-xP and
PM56x-xP, lithium battery
included (available in China
only)
Active
*) For planning and commissioning of new installations use modules in Active
status only.
2.5.5.7 CR2032 - Battery for Real-Time Clock
A standard lithium battery (type CR2032) is used to backup the real-time clock (RTC) in the
adaptors TA561-RTC
Ä
Chapter 2.5.5.3 “TA561-RTC - Real-time Clock Adaptor ” on page 1225
and TA562-RS-RTC
Ä
Chapter 2.5.5.6 “TA562-RS-RTC - Adaptor with Serial RS-485 (COM2)
and Real-time Clock ” on page 1233 during power failures.
The CPU monitors the discharge degree of the battery. An diagnoses message is output before
the battery condition becomes critical (about 2 weeks before). After the diagnosis message has
appeared, the battery should be replaced as soon as possible.
● The handling instructions of the battery manufacturer must be observed.
● The Material Safety Data Sheet (MSDS) of the battery manufacturer must be observed.
● Do not short-circuit or re-charge the battery! It can cause excessive heating and explosion.
● Do not disassemble the battery!
● Do not heat up the battery and not put into fire! Risk of explosion.
Technical Data
Ordering Data
Intended Pur-
pose
Handling
Instruction
System Assembly, Construction and Connection
AC500-eCo > Handling of Accessories
2019/04/173ADR010121, 13, en_US1240
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