Fisher FIELDVUEDVC6200f Instruction Manual page 231

Instruction Manual
D103412X012
Table E‐6. PID Function Block System Parameters Definitions
Label
PARAMETER_NAME
Process Value
PV
Setpoint
SP
Output
OUT
Process Value Scale
PV_SCALE
Output Scale
OUT_SCALE
Grant Deny
GRANT_DENY
GRANT
DENY
Control Options
CONTROL_OPTS
Status Options
STATUS_OPTS
Input
IN
Process Value Filter Time
PV_FTIME
Bypass
BYPASS
Cascade Input
CAS_IN
Index RO / Block
Number RW Mode
7 RO N/A
OOS
8 MAN PV_SCALE +/- 10%
AUTO
Status
MAN
OUT_SCALE +/- 10%
9
OOS
Value
EU at 100%
EU at 0%
10 OOS
Units index
Decimal Point
EU at 100%
EU at 0%t
11 OOS
Units index
Decimal Point
12
0: Program
1: Tune
12.1 ALL
2: Alarm
3: Local
0: Program
1: Tune
12.2 ALL
2: Alarm
3: Local
0: Bypass Enable
1: SP tracks PV in MAN
2: SP tracks PV in ROUT
3: SP tracks PV in LO or MAN
4: SP tracks RCAS or CAS in
IMAN, LO, MAN or ROUT
5: Direct Acting
13 OOS
7: Track Enable
8: Track in Manual
9: Use PV for BKCAL_OUT
10: Act on IR
12: Restrict SP to limits in
Cas and RCas
13: No output limits in MAN
0: IFS (Initiate Fault State)
if BAD IN
1: IFS if BAD CAS_IN
14 OOS
2: Use Uncertain as Good
5: Target to MAN if BAD IN
Status
15 ALL
Value
16 ALL Positive
MAN 1=Off
17
OOS 2=On
Status
18 ALL
Value
Range Initial Value
Dynamic
Dynamic
Dynamic
100
0
%
0
100
0
%
0
All bits: 0
All bits: 0
All bits: 0
All bits: 0
BAD
Not Connected
Not Limited
0
0
Uninitialized
BAD
Not Connected
Not Limited
0
DVC6200f Digital Valve Controller
PID Function Block
Description
Data Type: DS‐65
The process variable used in block execution.
Data Type: DS‐65
The target block setpoint value. It is the result of
setpoint limiting and setpoint rate of change
limiting.
DS‐65
The block output value and status.
Data Type: DS‐68
The high and low scale values, engineering units
code, and number of digits to the right of the
decimal point associated with PV.
Data Type: DS‐68
The high and low scale values, engineering units
code, and number of digits to the right of the
decimal point associated with OUT.
Data Type: DS‐70
Options for controlling access of host computers
and local control panels to operating, tuning, and
alarm parameters of the block. Not used by the
device.
GRANT: 0=N/A, 1=granted
DENY: 0 = N/A, 1= denied
Data Type: Bit String
0=disable
1=enable
Allows you to specify control strategy options.
Data Type: Bit String
0=disable
1=enable
Allows you to select options for status handling
and processing.
Data Type: DS‐65
The primary input value of the block.
Data Type: Float
The time constant of the first-order PV filter. It is
the time, in seconds, required for a 63 percent
change in the IN value.
Data Type: Enum
Used to override the calculation of the block.
When enabled, the SP is sent directly to the
output.
Data Type: DS‐65
The setpoint value from another block.
February 2017
231