25
Logix 3400MD Digital Positioner FCD LGENIM3404-00 – 9/09
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7.18 Transducer Block Parameters
Table X: Transducer Block Parameters
Fieldbus
Block
Index
Fieldbus Variable
Name
Transducer
Block
Fieldbus
Datatypes
Logix Positioner
R/W Description
Register Type
Fix
Pt
Rd
Variable Name
Fieldbus Standard Parameters
0 BLK_DATA ALL RECORD N/A N/A N/A N/A SRW Foundation Fieldbus Defined
Parameter
1 ST_REV ALL UNSIGNED 16 N/A N/A N/A N/A SR Foundation Fieldbus Defined
Parameter
2 TAG_DESC ALL OCTET_
STRING
N/A N/A N/A N/A SRW Foundation Fieldbus Defined
Parameter
3 STRATEGY ALL UNSIGNED 16 N/A N/A N/A N/A SRW Foundation Fieldbus Defined
Parameter
4 ALERT_KEY ALL UNSIGNED 8 N/A N/A N/A N/A SRW Foundation Fieldbus Defined
Parameter
5 MODE_BLK ALL RECORD N/A N/A N/A N/A SRW Foundation Fieldbus Defined
Parameter
6 BLOCK_ERR ALL BIT_STRING N/A N/A N/A N/A R Foundation Fieldbus Defined
Parameter
7 UPDATE_EVT ALL RECORD N/A N/A N/A N/A RW Foundation Fieldbus Defined
Parameter
8 BLOCK_ALM ALL RECORD N/A N/A N/A N/A RW Foundation Fieldbus Defined
Parameter
9 TRANSDUCER_
DIRECTORY
ALL ARRAY N/A N/A N/A N/A NR Foundation Fieldbus Defined
Parameter
10 TRANSDUCER_TYPE ALL UNSIGNED 16 N/A N/A N/A N/A NR Foundation Fieldbus Defined
Parameter
11 XD_ERROR ALL UNSIGNED 8 N/A N/A N/A N/A R Foundation Fieldbus Defined
Parameter
12 COLLECTION_
DIRECTORY
ALL ARRAY N/A N/A N/A N/A NR Foundation Fieldbus Defined
Parameter
Control: Position Control Parameters
13 FINAL_VALUE XDTB_MAIN FLOAT_S 3 S_INT /100 CM_Digital NRW Command Input, Remote Digital
Control, %
14 WORKING_SP XDTB_MAIN FLOAT 7 S_INT /100 CM_Pct_Target RW Command Input, Actual Target, %
15 FINAL_POSITION
VALUE
XDTB_MAIN FLOAT_S 10 S_INT /100 FB_Pct NR Control, FB, Valve Stem Position, %
20 DEVIATION_VALUE XDTB_MAIN FLOAT 12 S_INT /100 Dev_Instant R Control, FB, Valve Stem Deviation, %
23 DEVIATION_EFFORT XDTB_TECH FLOAT 14 S_INT /100 Dev_Sum R Control, DAC %, Deviation Term
24 PRESS_CTRL_
EFFORT
XDTB_TECH FLOAT 15 S_INT /100 PS_Sum R Control, DAC %, Pressure Control
Term
25 INTEGRAL_EFFORT XDTB_TECH FLOAT 16 S_INT /100 Integral_Sum R Control, DAC %, Integral Term
26 SPOOL_OFFSET XDTB_TECH FLOAT 17 S_INT /100 IL_Offset RW Calibration, DAC %, ILO Value @
50%
27 SPOOL_COMMAND XDTB_TECH FLOAT 18 S_INT /100 IL_Cmd RW Control, DAC %, Total Effort
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