Siemens SIMOTION D435-2 Commissioning And Hardware Installation Manual

Commissioning (hardware)
4.3 User memory concept
SIMOTION D4x5-2
102 Commissioning and Hardware Installation Manual, 02/2012
Requirement/availability of the battery
System variables can be used to evaluate:
● Whether a battery is required for the operation of the device (or not)
● Whether a battery is available (or not)
Table 4- 7 System variable batterynecessary/batteryexisting
System variable
on the device
States Description
fanbattery of the structfanbattery type (the system variables are of the enumfanbattery type)
MANDATORY Battery is required for the backup of the non-volatile
data and the real-time clock (RTC) of the device.
.batteryexisting can be used to query whether a battery
is available.
OPTIONAL The non-volatile data and the real-time clock (RTC) are
backed up via SuperCap. A battery can be used as an
option to extend the backup time. .batteryexisting can
be used to query whether a battery is available.
Example: D4x5
OPTIONAL_RTC
1)
A battery is not required for backing up the non-volatile
data.
Only the real-time clock (RTC) is backed up via
SuperCap. A battery can be used as an option to
extend the backup time of the real-time clock.
.batteryexisting can be used to query whether a battery
is available.
Example: D4x5-2
.batterynecessary
NOT_MANDATORY
1)
A battery is not required for backing up the non-volatile
data. The real-time clock (RTC) is backed up via
SuperCap.
Example: D410-2
EXISTING EXISTING is only displayed when .batterynecessary is
set to:
• MANDATORY or
• OPTIONAL or
• OPTIONAL_RTC
and a battery is available.
.batteryexisting
2)
NOT_EXISTING Battery is not available.
1)
If the SuperCap is discharged, the contents of the real-time clock (RTC) are lost.
2)
The value for SIMOTION D4x5-2 is updated dynamically.

Siemens SIMOTION D435-2 Specifications

General

Brand	Siemens
Model	SIMOTION D435-2
Category	Control Unit
Language	English