YOKOGAWA GX20 User Manual

GS 04L53B01-31EN
7
All Rights Reserved. Copyright © 2017, Yokogawa Electric Corporation 2017.06.26-00
BlockDiagram
SP limit
(Thermocouple)
GX90UT module
Single Loop Control Block Diagram
(DC voltage/standard
signal)
(Thermocouple/
RTD)
(AI1 used)
(LOCAL)
(Not OUT)
(OUT1 selected)
(REMOTE/PROG/RESET)
(REMOTE)
(PROG/RESET)
PV input
Setup item
Module terminal
PID channel
Legend
(Recorder option /PG is required.)
Control output
AO2: PV/SP/OUT/EXPV can be output as analog signals
through configuration.
DO1 to DO8: Alarm output and status output are possible
through configuration.
GX/GP screen
GX/GP Web app
GM Web app
Select with SP group number
During program operation,
the SP rate-of-change
limiter does not work.
(EXPV1 used)
RJC
Scaling
Square root extraction
Input type
Measuring range/unit
Burnout detection
Input linearizer
Bias
Filter
Overrange detection
Control PV range/unit
Control overrange detection
Output limiter 1
Control alarm function
AI1
AO2
PV1
OUT1
SP1
EXPV1 selection
Output format setting
Sensor burnout 1
MAN
STOP
Normal
AUTO
RUN
Input error preset output 1
Manual output 1
Output limiter 1
Preset output 1
PID1
computation
Retransmission output
Program operation
Ratio bias
Filter
SP rate-of-change limiter
Split computation
AO1
AI1 AI2
DO1 to DO8
DI1 to DI8
AO1
DI1 to DI8: Event
input is possible
through
configuration.
DI1
DI8
to
DO1
DO8
to
DO1
DO8
to
SP limit
RSP1 selection
During program operation, RSP1
is set to the SP of program
operation.
Loop 2
(same
operation as
PID of loop 1)
Scaling

YOKOGAWA GX20 Specifications

General

Brand	YOKOGAWA
Model	GX20
Category	Recording Equipment
Language	English