Wtw MIQ/24V Manuale utente

OPERATING MANUAL

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IQ SENSOR NET

MIQ/24V

IQ SENSOR NET POWER SUPPLY MODULE (NOMINAL INPUT VOLTAGE 24 V AC/DC)

Power

MIQ/24V

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Printed in Germany.

MIQ/24V List of contents

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MIQ/24V - List of contents

1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1 How to use this component operating manual . . . . . . . . . 4

1.2 Features of the MIQ/24V . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1 Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.1.1 Safety information in the operating manual . . . . . 6

2.1.2 Safety signs on the product . . . . . . . . . . . . . . . . . 6

2.1.3 Further documents providing safety information

2.2 Safe operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2.1 Authorized use . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2.2 Requirements for safe operation . . . . . . . . . . . . . 7

2.2.3 Unauthorized use . . . . . . . . . . . . . . . . . . . . . . . . 7

2.3 User qualification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.2 Installation in the IQ SENSOR NET . . . . . . . . . . . . . . . . . . 8

3.3 Safety requirements on the electrical installation . . . . . . . 8

3.4 Electrical connections: General instructions . . . . . . . . . . 9

3.5 Connecting the 24 V AC/DC supply . . . . . . . . . . . . . . . . 11

4 Maintenance and cleaning . . . . . . . . . . . . . . . . . . . . . . 14

4.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.1 General data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.2 MIQ/24V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Overview MIQ/24V

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1Overview

1.1 How to use this component operating manual

Structure of the

IQ SENSOR NET

operating manual

Fig. 1-1 Structure of the IQ SENSOR NET operating manual.

The IQ SENSOR NET operating manual has a modular structure like the

IQ SENSOR NET system itself. It consists of a system operating manual and the

operating manuals of all the components used.

Please file these component operating manuals into the ring binder of the

system operating manual.

IQ Sensor Net Operating Manual

System

Operating

Manual

(Ring Binder)

Operating

Manual

IQ Sensor

Operating

Manual

MIQ Module

Operating

Manual

(e.g. Fieldbus)

Option

Components and Options

MIQ/24V Overview

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1.2 Features of the MIQ/24V

General

characteristics

The MIQ/24V power supply supplies the IQ SENSOR NET with its operational

voltage. The operational voltage is forwarded to the consumers in the following

ways:

In the case of stacked mounting, via the IQ SENSOR NET contacts on the front

and rear of the module

In the case of distributed mounting, via the IQ SENSOR NET SNCIQ cable

In the case of sensors, via the SACIQ sensor connecting cable.

With the standard MIQ module housing, the MIQ/24V has the same character-

istics as all MIQ modules regarding stability, leakproofness and weather resis-

tance. It also provides the same wide variety of installation options (stacked

mounting, canopy mounting, tophat rail mounting, etc.).

The number of MIQ/24V that are required depends on the number of consumers

in the system and their power requirement as well as on the overall loss of power

in the IQ SENSOR NET cables. Instructions for determining the correct number of

power modules are given in the INSTALLATION chapter of the system operating

manual.

Terminal strip The MIQ/24V has the following electrical connections on the terminal strip inside

the housing:

1 x 24 V AC/DC, two-pole

3 x SENSORNET connection.

Safety instructions MIQ/24V

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2 Safety instructions

2.1 Safety information

2.1.1 Safety information in the operating manual

This operating manual provides important information on the safe operation of

the product. Read this operating manual thoroughly and make yourself familiar

with the product before putting it into operation or working with it. The operating

manual must be kept in the vicinity of the product so you can always find the

information you need.

Important safety instructions are highlighted in this operating manual. They are

indicated by the warning symbol (triangle) in the left column. The signal word

(e.g. "CAUTION") indicates the level of danger:

NOTE

indicates a situation where goods might be damaged if the actions mentioned

are not taken.

2.1.2 Safety signs on the product

Note all labels, information signs and safety symbols on the product. A warning

symbol (triangle) without text refers to safety information in this operating

manual.

2.1.3 Further documents providing safety information

The following documents provide additional information, which you should

observe for your safety when working with the measuring system:

Operating manuals of other components of the IQ SENSOR NET system

(power supply modules, controller, accessories)

Safety datasheets of calibration and maintenance equipment (e.g. cleaning

solutions).

WARNING

indicates a possibly dangerous situation that can lead to

serious (irreversible) injury or death if the safety instruc-

tion is not followed.

CAUTION

indicates a possibly dangerous situation that can lead to

slight (reversible) injury if the safety instruction is not fol-

lowed.

MIQ/24V Safety instructions

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2.2 Safe operation

2.2.1 Authorized use

The authorized use of the MIQ/24V consists of its use as a power supply module

in the IQ SENSOR NET. Only the operation according to the instructions and tech-

nical specifications given in this operating manual is authorized (see chapter 5

TECHNICAL DATA). Any other use is considered unauthorized.

2.2.2 Requirements for safe operation

Note the following points for safe operation:

The product may only be operated according to the authorized use specified

above.

The product may only be operated under the environmental conditions men-

tioned in this operating manual.

The product may only be supplied with power by the energy sources men-

tioned in this operating manual.

The product may only be opened if this is explicitly described in this operating

manual (example: connecting electrical lines to the terminal strip).

2.2.3 Unauthorized use

The product must not be put into operation if:

it is visibly damaged (e.g. after being transported)

it was stored under adverse conditions for a lengthy period of time (storing

conditions, see chapter 5 TECHNICAL DATA).

2.3 User qualification

Target group The IQ SENSOR NET MIQ/24V was developed for online analysis. Some mainte-

nance activities, e.g. changing the membrane caps in D.O. sensors, require the

safe handling of chemicals. Thus, we assume that the maintenance personnel

is familiar with the necessary precautions to take when dealing with chemicals

as a result of their professional training and experience.

Special user

qualifications

The following installation activities may only be performed by a qualified electri-

cian:

Connection of the MIQ/24V to the power supply.

Connection of external, line voltage-carrying circuits to relay contacts (see

module manual of the relay output module).

Installation MIQ/24V

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3 Installation

3.1 Scope of delivery

MIQ module

Accessory set, including:

– 4 x cable glands (clamping range 4.5-10 mm) with seals and blind plugs

– 4 x ISO blind nuts M4 with suitable cheese-head screws and plain wash-

ers

– 2 x countersunk screws M3x6 to close the module lid

(+ 2 replacement screws)

– 1 x contact base with fixing screws

Accessory kit, including

– 1 x extension M16x1,5. to M20x1.5 with O-ring

– 1 x cable gland

Operating manual.

3.2 Installation in the IQ SENSOR NET

The IQ SENSOR NET provides a number of options for integrating the MIQ/24V

mechanically and electrically in the system (stacked mounting, distributed

mounting, etc.). The individual types of installation are described in detail in the

INSTALLATION chapter of the system operating manual.

3.3 Safety requirements on the electrical installation

Electrical equipment (e.g. motors, contactors, cables, lines, relays) must meet

the following requirements:

Conformity with national regulations (e.g. NEC, VDE and IEC)

Suitability for the electrical conditions at the installation site

– Maximum operating voltage

– Maximum operating current

To achieve optimum heat transfer, it is recommended to always

place the power supply module at the back of a module stack.

If there are several power supply modules in the IQ SENSOR NET, it

is helpful if all the power supply modules are connected to a single

power supply. As a result, the system can be easily switched on and

off from a single location.

MIQ/24V Installation

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Suitability for the environmental conditions at the installation site

– Temperature resistance (minimum and maximum temperature)

– Stability against UV light when used outdoors

– Protection against water and dust (Nema or IP protection class).

Suitable fusing of the electrical circuit

– Overcurrent fuses (in accordance with the technical data of the device

input or output)

– Overvoltage class II surge limiters

Suitable disconnecting device (e. g. switch or circuit breaker) for the mains

supply of permanently mounted equipment with separate mains connection

– in compliance with the following regulations

- IEC 60947-1

- IEC 60947-3

– in the vicinity of the equipment (recommendation)

Flame-resistant (cables and lines),

in compliance with the following regulations

– UL 2556 VW-1 (for USA, Canada)

– IEC 60332-1-2 (outside of USA, Canada)

3.4 Electrical connections: General instructions

Cable glands All electric cables are fed from below via prepared openings in the enclosure of

the MIQ/24V. Cable glands with different clamping ranges are included with the

MIQ/24V to provide sealing between the cable and enclosure as well as for

strain relief. Select the matching cable gland for the respective cable diameter:

Small, clamping range 4.5 to 10 mm. This cable gland is suitable for all

IQ SENSOR NET sensor cables.

sealing ring 20 x 15 x 1 mm

cable gland M16

blind plug

Installation MIQ/24V

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Large, clamping range 7 to 13 mm. This cable gland is required for cable

sheaths with an outside diameter of more than 10 mm and is screwed into the

enclosure via an extension piece.

General

installation

instructions

Observe the following points when attaching connecting wires to the terminal

strip

Shorten all wires to be used to the length required for the installation

Always fit all the ends of the wires with wire end sleeves before connecting

them to the terminal strip

Any wires that are not used and project into the enclosure must be cut off as

closely as possible to the cable gland.

Screw a small cable gland with sealing ring into each remaining free opening

and close it with a blind plug.

If necessary, you can order more large cable glands in a set of 4

pieces (Model EW/T, Order No. 480 051).

sealing ring 20 x 15 x 1 mm

extension piece M16/M20

sealing ring 24 x 19 x 2 mm

cable gland M20

WARNING

No free wires must be allowed to project into the housing.

Otherwise, there is a danger of electric short circuit that

may cause fire. Always cut off any wires that are not in use

as closely as possible to the cable gland.

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