Allen-Bradley 2-D Manuel d'utilisateur Page 29

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Installation and Wiring 2-17
P46 Setting 9 - Two-Wire PI Control (Analog Models Only)
This input mode is similar to Setting 1 except TB3 terminal 8 provides the function
of PI Control.
Two-Wire PI control Figure 2.13
Refer to Chapter 5, 160 PI Control Setup for a detailed PI Control Setup description.
Do not connect to TB3-5 in this mode.
TB3 terminal 8 can be used to clear faults. See Figure 2.14 for details
Important:
For
P46 - [Input Mode]
settings 4 through 9, Terminal TB3-8 is also
used to clear faults. See figure below for details.
TB3-8 – Clear Faults Figure 2.14
Important:
The system programmer is responsible for returning terminal
TB3-8 to its original state if necessary.
PI/Internal Frequency
567
8
Common
Run Forward
TB3-8 Open
PI
TB3-8 Closed
Internal Frequency
23
0 – 10V DC
Common
34
Common
4 – 20 mA
OR
TB3TB3
TB3-8
Closed
TB3-8
Open
Fault
Occurs
Fault
Clears
Fault
Occurs
Fault
Clears
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