UNI-T UT321 Manual do Utilizador descarregar pdf (Página 8)

<<Contents>> <<Index>>

GS 05D01D12-02E 4th Edition Mar. 01, 2005-00

■ Function Block Diagram for Standard Type

SP.NO

SP.NO=0 SP.NO=1 to 4

AUTO (ON)/MAN (OFF) switching

LOCALREMOTE

AUTOMAN

RUN

STOP

A/M

Control

output

RET

DO3DO2DO1

Alarm 1 Alarm 2 Alarm 3

DI1 DI2

Contact input

(when parameter DIS=1)

PV input

terminals

, and

12 1311

INPUT

Input selection

Unit selection

Input range conversion

Input bias

Input filter

Communication

terminals to

RS-485

2723

Target setpoints 1 to 4

Target setpoint

ramp-rate function

Control computationManual operation

Preset output Output limiter

OUTPUT1 OUTPUT1

1716

Relay

terminals

, and

2 31

Current or pulse

terminals

and

*1: If the setup parameter DIS (DI function selection) is set to “4”,

when the contact input 2 is ON (STOP state), that controller outputs the preset output value.

15 V loop

power supply

Retransmission

output

OUTPUT2

/RET

Current

terminals

and

1514

Alarm function

Terminal Parameter Function

Analog signal Contact signal Front panel key

Legend

LPS

Terminals

and

24 V loop

power supply

1 2 3 4 5 6 7 8 9 10 11 12

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