Micromod Micro-DCI: 53MC5000 Multi-Loop Process Controller Manuel d'utilisateur Page 57

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2.7.35 SETPOINT GENERATOR 3
The Setpoint Generator 3 (SPG 3) module provides a continuous output signal that is derived from
one of three sources which are the setpoint track value (STV), the remote setpoint (RSP), or the lo-
cal setpoint push buttons. The output priority is STV, RSP, and setpoint push buttons. The input
variable parameter values also affect the output, as determined by the setpoint selection made.
The two tables that follow list the input variables and the parameters. As shown in the third table,
two logical output signals, L176 and L180, indicate which source is supplying the continuous out-
put signal at C209. An illustration of the SPG 3 module follows the tables.
Inputs Inputs
WIRELIST SYMBOL DATA
TYPE
ASSIGNED VALUE WIRELIST SYMBOL DATA
TYPE
ASSIGNED VALUE
B226 STV3 C B228 RSP3 C
B227 SWSPT3 L B229 RE3 L
Output Datapoints:
C209, L176, L180
Parameters Parameters
SYMBOL DATAPOINT ASSIGNED VALUE SYMBOL DATAPOINT ASSIGNED VALUE
IR3 C223 SH3 C233
STE3 L190 SL3 C234
K1-3 C221 SWR3 L185
B1-3 C220 SPM3 B353
L180 L176 C209 OUTPUT
0 0 Setpoint push button value.
1 0 Remote Value - RSP (when SWR = 1 and RE = 1, RMT is true - lower toggle to 1). RSP modified by
K1 and B1 out.
0 1 Setpoint Track Value - STV (when SWSPT = 0, and STE = 1, SPTS is true - upper toggle to 1). STV
out.
1 1 Setpoint Track Value - STV (same as above, but both toggles at 1).
B1-3...remote setpoint bias
IR3...controller span
K1-3...remote setpoint ratio
RE3...remote setpoint enable
R/L3...remote/local
RMT3...remote status
RSP3...remote setpoint
SH3...setpoint high value
SL3...setpoint low value
SP3...setpoint
SPM3...setpoint mode
SPTS3...setpoint track status
STE3...setpoint track enable
STV3...setpoint track value
SWR3...remote switch
SWSPT3...setpoint track
switch
FCS 53MC5000 Flexible Control Strategies
2-50
SPG-3
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