ABB AC500 PLC Hardware Manual page 1240

System Assembly, Construction and Connection
AC500-eCo > Handling of Accessories
8.
Technical Data
Parameter
RTC accuracy (at 25 °C)
Ordering Data
Part No.
1SAP 181 500 R0001
1TNE 968 901 R5210
2.5.5.7 CR2032 - Battery for Real-Time Clock
Intended Pur- A standard lithium battery (type CR2032) is used to backup the real-time clock (RTC) in the
pose adaptors TA561-RTC
and TA562-RS-RTC
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.
Handling ● The handling instructions of the battery manufacturer must be observed.
Instruction
● 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.
1240
Only now the CPU can connected to power.
Set the time of the real-time clock.
*) For planning and commissioning of new installations use modules in Active
status only.
Ä Chapter 2.5.5.3 "TA561-RTC - Real-time Clock Adaptor " on page 1225
Ä Chapter 2.5.5.6 "TA562-RS-RTC - Adaptor with Serial RS-485 (COM2)
3ADR010121, 13, en_US
Value
Typ. ±2 s / 24 h
Description
TA562-RS-RTC, serial
RS-485 and real-time clock
adaptor for PM55x-xP and
PM56x-xP
TA562-RS-RTC, serial
RS-485 and real-time clock
adaptor for PM55x-xP and
PM56x-xP, lithium battery
included (available in China
only)
Product Life Cycle Phase *)
Active
Active
2019/04/17