Endress+Hauser PROline Prosonic Flow 93 FOUNDATION Fieldbus Operating Instructions Manual page 88

9 Trouble-shooting
88
– Parameters cannot be
modified or
– No write access to
parameters
Transducer Block:
The manufacturer-specific
parameters are not visible.
Analog Input function block
The output value OUT is not
updated despite having a
valid status "GOOD".
PROline Prosonic Flow 93 FOUNDATION Fieldbus
1. Parameters that only display values or settings cannot be modified.
2. Hardware write protection is enabled
→
Page 53
!
Note!
You can use the WRITE_LOCK parameter in the Resource Block to
check whether hardware write protection is enabled or disabled:
LOCKED = write protection enabled (activated)
UNLOCKED = no write protection (deactivated)
3. The block operating mode is wrong. Certain parameters can only be
modified in the OOS (out of service) or MAN (manual) mode
the operating mode of the block to the required mode
MODE_BLK parameter group.
4. The value entered is outside the specified input range for the
parameter in question:
→
Enter suitable value
→
Increase input range if necessary
5. Transducer Blocks: the programming level is not enabled
the programming level by entering the code in the "Un-/Locking -
Access Code" parameter or by means of the service code in the
service parameters.
The device description (DD) file has not yet been loaded into the host
system or the configuration programme
→
Load the device description into the host system or configuration
programme.
Reference sources of the DD
!
Note!
Ensure you use the correct system files for linking the field devices into
the host system. Related version information can be called up in Prosonic
Flow 93 by means of the following functions/parameters:
Local display:
→
– HOME BASIC FUNCTIONS
→
INFORMATION DEVICE REVISION (6243)
→
– HOME BASIC FUNCTIONS
→
INFORMATION DD REVISION (6244)
FF interface:
→
– Resource Block DEV_REV parameter
→
– Resource Block DD_REV parameter
Example (local display):
DEVICE REVISION (6243) function displays
DD REVISION (6244) function displays
Device description (DD) file required
→
Simulation is active Deactivate simulation via the SIMULATE
parameter group.
→
Disable the write protection
→
→
Page 48
→ →
FOUND. FIELDBUS
→ →
FOUND. FIELDBUS
→
01
→
01
→
0101.sym and 0101.ffo
Endress+Hauser
→
Set
→
Enable