Endress+Hauser Proline Prosonic Flow 93 Operating Instructions Manual page 98

Troubleshooting
98
Æ
Problems with configuration of Function Blocks
Check whether the operating mode of the Resource Block is in AUTO mode  Parameter
Transducer Blocks:
The operating mode cannot group MODE_BLK / parameter TARGET.
be set to AUTO.
Analog Input fct. block: There may be several reasons for this.
The operating mode cannot Check the following in sequence:
be set to AUTO.
1. Check whether the operating mode of the Analog Input Function Block is in AUTO
2. Make sure that the CHANNEL parameter (selection process variable) is configured in
3. Make sure that the XD_SCALE parameter group (input range, unit) is configured in the
Analog Input fct. block: The 4. Make sure that the L_TYPE parameter (type of linearization) is already configured in
operating mode cannot be
set to AUTO.
5. Check whether the operating mode of the Resource Block is in AUTO
6. Make sure that the Function Blocks are correctly interconnected and that this system
Analog Input Function 1. Check whether the operating mode of the Transducer Blocks is set to
Block:
The operating mode is set
to AUTO but the status of
the AI output value OUT is
2. Check whether an error is pending in the "Diagnosis" Transducer Block (base index:
BAD or UNCERTAIN.
Parameters cannot be 1. Parameters that only display values or settings cannot be modified!
modified or no write access
2. Hardware write protection is enabled  Deactivate the write protection  ä 109
to parameters.
3. The block operating mode is wrong. Certain parameters can only be changed in the
4. The value entered is outside the specified input range for the parameter in question:
5. Transducer Blocks: The programming level is not enabled  Enable by entering the
Proline Prosonic Flow 93 FOUNDATION Fieldbus
mode  Parameter group MODE_BLK / parameter TARGET.
If not and the mode cannot be set to AUTO, first check the following.
the Analog Input Function Block  ä 109.
The selection "CHANNEL = 0" (Uninitialized) is not valid.
Analog Input Function Block
 ä 109 (incl. configuration example)
"
Caution!
Make sure that the selected unit is suitable for the process variable selected in the
CHANNEL parameter. Otherwise the parameter BLOCK_ERROR will display the error
message "Block Configuration Error". In this status the block operating mode cannot be
set to AUTO.
the Analog Input Function Block  ä 109.
"
Caution!
Make sure that with the type of linearization "Direct" the scaling of the parameter
group OUT_SCALE is identical to that of the parameter group XD_SCALE. If set
incorrectly the parameter BLOCK_ERROR will display the error message "Block
Configuration Error". In this status the block operating mode cannot be set to AUTO.
Configuration example  ä 109
mode  Parameter group MODE_BLK/parameter TARGET
configuration has been sent to the fieldbus station  ä 109.
AUTO MODE_BLK parameter group / TARGET parameter.
Using the various CHANNEL parameters ( ä 116) set the Transducer Blocks to the
AUTO operating mode.
1600)  "Diagnosis" Transducer Block (base index: 1600) 
"Diag. - Act.Sys.Condition" parameter. Error messages ä 100
!
Note!
You can use the parameter WRITE_LOCK in the Resource Block to check whether
hardware write protection is activated or deactivated: LOCKED = write protection
enabled (activated) UNLOCKED = no write protection (deactivated)
OOS (out of service) or MAN (manual) mode
 Set the operating mode of the block to the necessary mode  MODE_BLK
parameter group.
 Enter suitable value
 Increase input range if necessary
code in the "Access – Code" parameter or by means of the service code in the service
parameters.
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