Real-Time Clock - Siemens SIMOTION Operating Instructions Manual

READY output (RDY)
Table 11-15 Electrical parameters of RDY relay contact
RDY relay contact
Switching voltage DC
Switching current
Switching capacity
Mechanical service life
Electrical service life
11.2

Real-time clock

Properties and functions of the clock
This table lists the properties and functions of the SIMOTION C clock.
Table 11-16 Properties of the SIMOTION C clock
Properties
Type
Factory setting upon delivery
Backup
Accuracy
● With supply voltage on
● With supply voltage off
Backup time
Charging time
With POWER OFF
The SIMOTION C clock continues to operate after POWER OFF for the battery backup time
(excluding software clock). The battery is recharged during POWER ON.
No error message is output if the backup function is defective. With POWER ON, the clock
resumes at the time at which POWER OFF occurred.
When the SIMOTION C is reset to the factory setting, the clock is also reset to the "factory
setting as delivered".
SIMOTION C
Operating Instructions, 11/2016, A5E33441428B
0 to 55° C
25° C
-20° C to 70° C
max. 50 V
Max. 1 A
Max. 30 VA
Usually 10 switching cycles
9
Typically 3 · 10 switching cycles at 24 V / 1 A
6
C230-2
Hardware clock (integrated "realtime clock")
DT#1992-01-01-00:00:00
Permanently installed accumulator
(maintenance-free goldcap)
Max. deviation per day:
±9 s
±2 s
+2 s to -9 s
Typically 4 weeks (at 0 to 25° C)
1 h
Technical data
11.2 Real-time clock
C240 / C240 PN
-12 s to +4 s
-1 s to +4 s
-9 s to +4 s
169