beautypg.com

1 using the magneticflowmeter safely, Using the magnetic flowmeter safely -2, 1 using the magnetic flowmeter safely warning – Yokogawa ADMAG AXR User Manual

Page 8

background image

<1. INTRODUCTION>

1-2

IM 01E30D01-01EN

NOTE

A NOTE sign denotes information necessary

for essential understanding of operation and

features.

Class A grounding terminal

Functional grounding terminal

Direct current

1.1 Using the Magnetic

Flowmeter Safely

WARNING

(1) Installation

• Installation of the magnetic flowmeter must

be performed by expert engineer or skilled

personnel. No operator shall be permitted to

perform procedures relating to installation.

• The magnetic flowmeter is a heavy

instrument. Be careful that no damage is

caused to personnel through accidentally

dropping it, or by exerting excessive force on

the magnetic flowmeter. When moving the

magnetic flowmeter, always use a trolley and

have at least two people carry it.

• When the magnetic flowmeter is processing

hot fluids, the instrument itself may become

extremely hot. Take sufficient care not to get

burnt.

• Where the fluid being processed is a toxic

substance, avoid contact with the fluid and

avoid inhaling any residual gas, even after

the instrument has been taken off the piping

line for maintenance and so forth.

• Do not apply excessive weight, for example,

a person stepping on the magnetic

flowmeter.

• All procedures relating to installation must

comply with the electrical code of the country

where it is used.

(2) Wiring

• The wiring of the magnetic flowmeter must

be performed by expert engineer or skilled

personnel. No operator shall be permitted to

perform procedures relating to wiring.

• When connecting the wiring, check that the

supply voltage is within the range of the

voltage specified for this instrument before

connecting the power cable. In addition,

check that no voltage is applied to the power

cable before connecting the wiring.

(3) Operation

• Do not open the cover in wet weather or

humid environment. When the cover is open,

stated enclosure protection is not applicable.

• When opening the cover, wait for more than

5 minutes after turning off the power.

• Be sure to set parameters as “Protect”

on the write protect function after finish of

parameter setting work.