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Explanation, Inputs - outputs – Micromod RetroPAK: SLC Configuration Manual User Manual

Page 312

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Command Series Migration to MOD 30ML

Function Code 156 – PID (Cascade)

EXPLANATION

Configuration with this compound requires understanding of the compound and how the
PID block is configured in the MOD 30ML/Modcell controllers. Following is the
reference that includes listing of most commonly used / changed attribute and inputs and
outputs. Necessary block configuration tabs are also explained to make it easier.

INPUTS - OUTPUTS

Signal Block

Type

Description

S1

PID1

Input – S1
Floating Point

Connect to the PID1.S1 signal of the
compound. Process Input signal.

S1Q

PV1Q

Output – PV1Q
Boolean (Discrete)

Connect from the PV1Q.PV1Q signal
of the compound. Process Input Quality

S2

PID2

Input – S2
Floating Point

Connect to the PID2.S2 signal of the
compound. Process Input signal.

S2Q

PV2Q

Output – PV2Q
Boolean (Discrete)

Connect from the PV2Q.PV2Q signal
of the compound. Process Input Quality

S5 PID1,

PID2,

PIDFAIL

Input – Floating
Point

Change in the Control tab of the
corresponding PID block. Change the
value for MANUAL RESET – BASE
VALUE.

S6

PID1

Input – S6
Floating Point

Feed-forward input for the PID1. Enable
in the Options tab of the PID block.
Change the calculation type to Add.
Connect the feed forward signal to the
PID1.S6 signal of the compound.

S6Q

PV2Q

Output – S6Q
Boolean (Discrete)

Connect from the PV2Q.S6Q signal of
the compound. Process Input Quality

S7 N/A

N/A

N/A

S8 N/A

N/A

N/A

S9 N/A

N/A

N/A

S10 N/A

N/A

N/A

S11

PID1

Input – S11
Floating Point

Gain Multiplier input for the PID1.
Connect to the PID1.S11 signal of the
compound or change in the Control tab
of the PID1 block. Change the value for
GAIN MULTIPLIER INPUT.

S11

PID2

Input – S11
Floating Point

Gain Multiplier input for the PID2.
Connect to the PID2.S11 signal of the
compound or change in the Control tab

156c - 2

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