Clock - Siemens SIMOTION D425-2 Manual

Technical data of the D4x5-2

5.7 Clock

5.7 Clock
Properties of the real-time clock
The following table lists the properties and functions of the SIMOTION D clock.
Table 5-18
Properties
Type
Default setting when delivered
Accuracy
● +25° C
● -40° C ... +85° C
Backup time at least
Charging time
Backup
With power OFF
In the POWER OFF state, the SIMOTION D clock continues to run during the backup time
(with the exception of the software clock). The backup battery is recharged in the POWER ON
state.
An error message is output if the backup function is defective. When the power is switched
ON, the clock then resumes at the time set at the factory.
If the SIMOTION D4x5‑2 is reset to its factory setting, the clock is also reset to the "default
setting when delivered".
88
Clock properties
Meaning
Hardware clock (integrated "real-time clock")
12:00 a.m. (date 01.01.2001)
Max. deviation per day:
● ±2 s
● ±5 s
● 4 days (at 0 ... 25° C)
● With battery in the double fan/battery module
3 years
A few minutes
Maintenance-free SuperCap or battery in the
double fan/battery module
SIMOTION D4x5-2
Manual, 04/2014