Yokogawa HIMHART Manual do Utilizador descarregar pdf (Página 22)

HIM

22 The Interface Solution Experts

Smart HART



Loop

Interface and Monitor

Figure A-2. Installing a HIM with MODBUS output into the loop using the Transmitter Excitation (+TX) terminal

READYINPUT

60.278

TRIP 2TRIP 1

COM

DEG C

ADDR

COMMON

NC (normally closed)

NO (normally open)

4-20mA

DCS

Sensor

Input

GND

–

24Vdc

Power

Source

DCC

R must be > 250 ohms and <1100 ohms

HART

Field Instrument

(Temperature,

Pressure,

Level,

Flow Multivariable)

HART Communicator

can be connected

anywhere on the loop

COM

+IN

+TX –IN

MODBUS output

(with MODBUS option)

RS485 / RS232

Converter

TO serial

(COM) port

of PC

MODBUS Host

1 2 ... 17 18 19 20 21 22 23 24 25 26 27

Smart HART 1
Interface and Monitor 1
Table of Contents 2
About this Manual 3
Specifications 4
Configuring the HIM 6
Installing the HIM 7
Bench Checking the HIM 9
PC Configuration Software 10
HART Parameters 11
Display Parameters 13
Alarms Parameters 14
Analog Outputs Parameters 16
Custom Curve Parameters 18
Scaling Parameters 19
Customer Support 20
Appendix A: HIM MODBUS 21
(16 bit integar) 25
Declaration of Conformity 26
Warranty Repair – 27
Non-Warranty Repair – 27
RETURN PROCEDURES 27

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