Parameter Changes And Access - ABB RVT Serie Instrucciones De Instalación Y De Funcionamiento

The "Configuration – Access Protected" parameters can be modified by users that have
at least "Configurator" rights so that their value can be reset or modified.
The "Configuration – Application Specific" parameters can be modified by users that
have at least "Configurator" rights.
The other read-only parameters are accessible by any kind of user.
Values of single parameters within a group can be of different types. Here is a list of
these types and the associated memory usage:
Type
Byte
Signed char
Word
Dword
64-bits
Time
Float
String

5.3 Parameter Changes and access

Please note that the RVT is fitted with some locking function, independently than the
administrator rights.
- MODE: the RVT must be in SET Mode to allow parameters settings modifications.
- LOCK SWITCH: the lock switch have to be released
- BANK SETTINGS: the parameter Bank Settings must be set to Unlocked.
- The parameter COMMUNICATION LOCK is used to add an access level to users.
When locked, all parameter settings modifications (except the Communication
lock item setting) from the RVT touchscreen are forbidden. Parameters may
meanwhile be modified by the communication access only (provided all others
access levels are fulfilled).
Variable
Mode
Lock switch status
Bank Settings
Communication Lock
Note: The RVT returns automatically to AUTO mode when the touch screen is not pressed
for more than five minutes.
28 Data table ç RVT communication
Size in bytes Remarks
1 Unsigned
1 Signed
2 Unsigned
4 Unsigned
8 Unsigned
6 Same format as used in the RTC parameter
4 IEEE-754 floating-point number
Variable NULL-terminated ASCII string
Group ID locked
0x0802 0 : AUTO
1 : MAN
0x0014 0 : Lock switch pushed
0x0802 1 : Bank Settings are locked 0 : Bank Settings are unlocked
0x0809 1 : Communication lock
Unlocked
2 : SET
1 : Lock switch released
0 : Communication unlocked