Micromod RetroPAK: SLC Configuration Manual Manual do Utilizador descarregar pdf (Página 127)

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Pre-configured Single Loop PID with Remote SP

GENERAL DESCRIPTION

The advanced PID controller function code implements a proportional integral derivative

controller.

This control strategy has a loop compounds (REMOTE SETPOINT PID) with PID

loops with REMOTE setpoint, I/O and other function blocks.

UTILIZATION

The loop compound has the function code compound FC156 – PID with Remote SP

internally. This is PID with Remote SP and uses a PID block, PAD (Process Alarm

Display) blocks and a variety of other blocks to perform a full-pledged PID with PV and

remote Setpoint. The PID is advanced with feed-forward control, bump-less transfers and

other features.

Load the loop compound at the top level (where the IF, DIF, SE and ST blocks are

located) of the function block diagram.

The built-in input 1 (AIN1 for Process variable), input 2 (AIN2 for remote setpoint) and

built-in output 1 (AOUT1) are used in the loop.

Figure P3 .1.

PID with Remote

P3 - 1

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 393 394

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