Yokogawa Data Acquisition with PID Control CX2000 User Manual

Page 413

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App-44

IM 04L31A01-01E

Loop Control with PV Switching (Fixed-Point Control)

PV

input

1

Contact input

Loop control with PV switching

PV switching

PV

input

2

Control computation section 2

Manual operation

Preset output

Current or

pulse

Relay

Run

Auto

Manual

Stop

Stop/Run switching

Manual/Auto switching

Output limiter

DI

DI

DI

Control output

Remote

input

Input type selection

Unit selection

Analog input range conversion

Square root computation

SP ramp-rate setting

SP 1 to 8

Local

Remote

Input type selection

Unit selection

Analog input range conversion

Square root computation

Ten-segment linearizer approximation/

ten-segment linearizer bias

PV input bias

PV input filter

Input type selection

Unit selection

Analog input range conversion

Square root computation

Ten-segment linearizer approximation/

ten-segment linearizer bias

PV input bias

PV input filter

DO

DO

DO

DO

DO

DO

Alarm1 Alarm2 Alarm3 Alarm4 Alarm1 Alarm2

Alarm function

Note: There are 6 contact input terminals and

6 contact output terminals on a single

control output terminal block.

The functions that can be assigned to

each input/output terminal vary depending

on the control mode and whether program

operation is enabled.

Remote input filter

Ratio bias computation

Appendix 7 Control Functon Blodk Diagram

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