Device Data
3-46
E Siemens AG, 2003 All rights reserved
SIMOTION C230-2, 04.2003 Edition
3.2 Clock
Table 3-12 contains the characteristics and functions of the C230-2 clock.
Table 3-12 Characteristics of the C230-2 clock
Characteristics
C230-2
Type Hardware clock (integrated “real time
clock”)
Default setting when delivered DT#1994-01-01-00:00:00
Backup Permanently installed battery
(no-maintenance Goldcap)
Accuracy
S At a switched-on supply voltage
0 to 55_ C
S At a switched-off supply voltage
25_ C
–20_ C to 70_ C
Max. deviation per day:
"9 s
"2 s
+2 s to –9 s
Backup time Usually 4 weeks (at 0...25_ C)
Charging time 1 h
With POWER OFF
The C230-2’s clock continues to operate with the POWER OFF for the battery
backup time (excluding software clock). The battery is recharged with POWER
ON.
No error message is output if the backup function is defective. With the return of
POWER ON, the clock continues operating at the time at which POWER OFF oc-
curred.
When resetting the C230-2 to the default setting (see Section 8.7), the clock is also
reset to “Default setting when delivered”.
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