Mettler Toledo M400 Dokumentacja Pobierz pdf (Strona 8)

Transmitter Multiparameter M400 8

Printed in Switzerland 52 121 378

– The M400 Transmitter should be installed and operated only by personnel familiar with

the transmitter and who are qualiﬁed for such work.

– The M400 Transmitter must only be operated under the speciﬁed operating conditions

(see section 16).

– Repair of the M400 Transmitter must be performed by authorized, trained personnel only.

– With the exception of routine maintenance, cleaning procedures or fuse replacement, as

described in this manual, the M400 Transmitter must not be tampered with or altered in

any manner.

– Mettler-Toledo accepts no responsibility for damage caused by unauthorized modiﬁcations

to the transmitter.

– Follow all warnings, cautions, and instructions indicated on and supplied with this product.

– Install equipment as speciﬁed in this instruction manual. Follow appropriate local and

national codes.

– Protective covers must be in place at all times during normal operation.

– If this equipment is used in a manner not speciﬁed by the manufacturer, the protection

provided by it against hazards may be impaired.

WARNINGS:

Installation of cable connections and servicing of this product require access to shock hazard

voltage levels.

Main power and relay contacts wired to separate power source must be disconnected before

servicing.

Switch or circuit breaker shall be in close proximity to the equipment and within easy reach of

the OPERATOR; it shall be marked as the disconnecting device for the equipment.

Main power must employ a switch or circuit breaker as the disconnecting device for the

equipment.

Electrical installation must be in accordance with the National Electrical Code and / or any other

applicable national or local codes.

NOTE: RELAY CONTROL ACTION: the M400 transmitter relays will always de-energize on loss of

power, equivalent to normal state, regardless of relay state setting for powered operation.

Conﬁgure any control system using these relays with fail-safe logic accordingly.

NOTE: PROCESS UPSETS: Because process and safety conditions may depend on consistent

operation of this transmitter, provide appropriate means to maintain operation during

sensor cleaning, replacement or sensor or instrument calibration.

NOTE: This is a 4-wire-product with an active 4–20 mA analog output.

Please do not supply to Pin1–Pin6 of TB2.

2.2 Correct disposal of the unit

When the transmitter is ﬁnally removed from service, observe all local environmental regulations

for proper disposal.

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Mettler Toledo M400 Dokumentacja Strona 8