
KH 8384-5 EN
107
Parameter lists
PID FB:
MODE_BLK (5)
Storage class S; read/write capability r/w; supported modes ALL
Operating mode
– Target Mode
Code 48 P0
– Actual Mode (read only)
Code 48 P1
– Permitted Mode
– Normal Mode (read only)
•
O/S · The PID algorithm of the block is not executed. The last value or the determined
value during an active fault processing is issued at the OUT parameter.
•
MAN · The output value of the function block can be entered manually by the operator
over the OUT parameter.
•
AUTO · The set point entered by the operator is used over the SP parameter upon
execution of the PID Function Block.
•
CAS · The PID Function Block receives the set point directly from an upstream function
block over the CAS_IN parameter for internal calculation of the out value. The PID
Function Block is implemented.
•
RCAS · The PID Function Block receives the set point directly from the fieldbus host
system over the RCAS_IN parameter for internal calculation of the out value. The PID
Function Block is implemented.
•
ROUT · The PID Function Block receives the out value directly from the fieldbus host
system over the ROUT_IN parameter. The out value is issued again over the OUT
parameter without the internal PID algorithm being executed.
PID FB:
OUT (9)
Storage class S; read/write capability r/w; supported modes O/M
Out value of the PID Function Block (value, limit and status)
Code 48 P6/7
•
Range OUT_SCALE ±10 %, unit of XD_SCALE
Note:
The OUT value can be entered manually when the MAN mode is selected in the
MODE_BLK parameter.
PID FB:
OUT_HI_LIM (28)
Storage class S; read/write capability r/w; supported modes ALL
Upper limit for analog OUT value
•
Range OUT_SCALE ±10 %, unit of OUT_SCALE, [100]
PID FB:
OUT_LO_LIM (29)
Storage class S; read/write capability r/w; supported modes ALL
Lower limit for analog OUT value
•
Range OUT_SCALE ±10 %, unit of OUT_SCALE, [0]
Содержание FOUNDATION 3730-5
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