More Details About Variable Parameters - Siemens SINUMERIK 840D sl Commissioning Manual

08/2005
3.3.7

More details about variable parameters

Variable parameter group 3)
Default
A variable can assume various states depending on whether a default value, or a
system or user variable, or both, is assigned to the variable field (I/O field or toggle
field).
Table 3-4
If...
Field
type
I/O field
Toggle
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D HMI Installation and Start-Up Guide (IAM) – 08/2005 Edition
Effect of defaults
Default System or
user variable
Yes Yes
No Yes
Fault Yes
Yes No
No No
Fault No
Yes Fault
No Fault
Fault Fault
Yes Yes
No Yes
Fault Yes
Yes No
No No
Fault No
Yes Fault
No Fault
Fault Fault
Expanding the Operator Interface (BE1)
Then...
Reaction of field type
Write default value to system or user
variable
Use system or user variable as
default value
Not calculated, system or user
variable is not written into/used.
Default
Not calculated
Not calculated
Not calculated
Not calculated
Not calculated
Write default value to system or user
variable
Use system or user variable as
default value
Not calculated, system or user
variable is not written into/used.
Default
Default = first toggle field element
Not calculated
Not calculated
Not calculated
Not calculated
3 Syntax
BE1/3-39