Reference Manual
00809-0100-4799, Rev BA
September 2002
Model 3244MV
3-4
CALIBRATION
2-point trim
The following provide the steps necessary to calibrate the transmitter:
1.
Place the sensor transducer blocks into “Out of Service (O/S)” mode.
2.
Select the “Calibration” option, located under the “Device” pull-down
menu.
3.
Choose the sensor to calibrate and click the calibrate button.
4.
Select the “USER_cal” option in the Input window. Click OK.
5.
Read the instructions. Click OK.
6.
Set the new value for the “Lower_cal point.” Click OK.
7.
Repeat steps 4 – 6 to perform the same task for the
“Upper_cal point.”
8.
Close the calibration window when finished performing calibrations.
NOTE
To perform a single-point calibration, click the cancel button when the two
Upper_cal point windows are open.
PARAMETER BLOCKS
The following tables provide information regarding
• AI block (Slots 6, 7, 8)
• Physical blocks (Slot 2)
• Transducer 1 (Sensor 1 – slot 3) and Transducer 2 (Sensor 2 – slot 4)
Blocks
• Transducer 3 (Differential) Block (Slot 5)
AI Block (Slots 6, 7, 8)
.
PA Index
Number
Parameter
Description
Access
Data Type/
Structure
Size –
Bytes
0.1
BLOCK_OBJECT.Reserved
Contains the characteristics of the blocks.
R
Unsigned8
1
0.2
BLOCK_OBJECT.Block Object
Contains the characteristics of the blocks.
R
Unsigned8
1
0.3
BLOCK_OBJECT.Parent Class
Contains the characteristics of the blocks.
R
Unsigned8
1
0.4
BLOCK_OBJECT.Class
Contains the characteristics of the blocks.
R
Unsigned8
1
0.5
BLOCK_OBJECT.DD Reference
Contains the characteristics of the blocks.
R
Unsigned32 4
0.6
BLOCK_OBJECT.DD Revision
Contains the characteristics of the blocks.
R
Unsigned16 2
0.7
BLOCK_OBJECT.Profile
Contains the characteristics of the blocks.
R
Unsigned16 2
0.8
BLOCK_OBJECT.Profile Revision
Contains the characteristics of the blocks.
R
Unsigned16 2
0.9
BLOCK_OBJECT.Execution Time
Contains the characteristics of the blocks.
R
Unsigned8
1
0.10
BLOCK_OBJECT.Highest_Rel_Offset
Contains the characteristics of the blocks.
R
Unsigned16 2
0.11
BLOCK_OBJECT.Index View_1
Contains the characteristics of the blocks.
R
Unsigned16 2
0.12
BLOCK_OBJECT.Num. Of Views
Contains the characteristics of the blocks.
R
Unsigned8
1
1
ST_REV
A block has static block parameters that are not
changed by the process. Values are assigned to
this parameter during the configuration or
optimization. The value of ST_REV must increase
by 1 after every change of a static block parameter.
This provides a check of the parameter revision.
R
Unsigned16 2
2
TAG_DESC
Every block can be assigned a textural TAG
description. The TAG_DESC is the address of the
block. The TAG_DESC must be unambiguous and
unique in the Profibus system.
R/W
Octet(32)
32
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