Hach SC4500 Manuel utilisateur

DOC273.97.90587

4–20 mA Output Module

03/2022, Edition 8

User Instructions

Instructions d'utilisation

Instrucciones para el usuario

Instruções do Usuário

使用说明

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Table of Contents

English..............................................................................................................................3

Français......................................................................................................................... 14

Español.......................................................................................................................... 25

Português...................................................................................................................... 36

中文................................................................................................................................. 47

日本語............................................................................................................................. 57

한국어............................................................................................................................. 68

.................................................................................................................................... 79

................................................................................................................................ 89

Table of Contents

1 Specifications on page 3

2 General information on page 3

3 Installation on page 5

4 Configuration on page 13

Section 1 Specifications

Specifications are subject to change without notice.

Specification Details

Current 23 mA maximum

Loop resistance 12–18 VDC power supply: 0–250 Ω; 18–24 VDC power supply: 250–500 Ω

Wiring Wire gauge: 0.08 to 1.5 mm2 (28 to 16 AWG) with an insulation rating of

300 VAC or higher1

Operating

temperature

–20 to 60 °C (–4 to 140 °F); 95% relative humidity, non-condensing

Storage temperature –20 to 70 °C (–4 to 158 °F); 95% relative humidity, non-condensing

Certification Listed for use with the SC4200c/SC4500 controller in Class 1, Division 2,

Group A, B, C and D, Zone 2, Group IIC hazardous locations to FM and

CSA safety standards by ETL

Section 2 General information

In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential

damages resulting from any defect or omission in this manual. The manufacturer reserves the right to

make changes in this manual and the products it describes at any time, without notice or obligation.

Revised editions are found on the manufacturer’s website.

2.1 Safety information

The manufacturer is not responsible for any damages due to misapplication or misuse of this product

including, without limitation, direct, incidental and consequential damages, and disclaims such

damages to the full extent permitted under applicable law. The user is soley responsible to identify

critical application risks and install appropriate mechanisms to protect processes during a possible

equipment malfunction.

Please read this entire manual before unpacking, setting up or operating this equipment. Pay

attention to all danger and caution statements. Failure to do so could result in serious injury to the

operator or damage to the equipment.

Make sure that the protection provided by this equipment is not impaired. Do not use or install this

equipment in any manner other than that specified in this manual.

2.1.1 Use of hazard information

D A N G E R

Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or

serious injury.

WARNING

Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death

or serious injury.

1Do not use wire gauge other than 0.08 to 1.5 mm2 (28 to 16 AWG), unless wires can be isolated

from mains power and relay circuits.

English 3

CAUTION

Indicates a potentially hazardous situation that may result in minor or moderate injury.

N O T I C E

Indicates a situation which, if not avoided, may cause damage to the instrument. Information that

requires special emphasis.

2.1.2 Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument

could occur if not observed. A symbol on the instrument is referenced in the manual with a

precautionary statement.

This symbol, if noted on the instrument, references the instruction manual for operation

and/or safety information.

This symbol indicates that a risk of electrical shock and/or electrocution exists.

This symbol indicates the presence of devices sensitive to Electro-static Discharge (ESD)

and indicates that care must be taken to prevent damage with the equipment.

Electrical equipment marked with this symbol may not be disposed of in European

domestic or public disposal systems. Return old or end-of-life equipment to the

manufacturer for disposal at no charge to the user.

2.1.3 Class 1 Division 2 label

CL 1 DIV 2 Gr A-D

See Manual

Voir manuel

This label indicates that the module is approved for use in a Class I Div 2 A-D, T4/

Class I Zone 2 IIC, T4 environment when used with a Class I Div 2 approved

SC4200c and SC4500 controllers and sensors: LDO and TSS-Ex 1.

2.1.4 Precautions for hazardous location installation

D A N G E R

Explosion hazard. Only qualified personnel should conduct the installation tasks described

in this section of the manual. This equipment is suitable for use in Class 1, Division 2,

Groups A, B, C & D Hazardous Locations with specified sensors and options

appropriately certified and rated for Class I, Division 2, Group A, B, C & D , Zone 2, Group

IIC Hazardous Locations.

D A N G E R

Explosion hazard. Do not remove or replace modules while power is supplied to the

controller unless there are no ignitable gases in the area.

D A N G E R

Explosion hazard. Do not connect or disconnect electrical components or circuits to the

equipment unless power has been removed or the area is known to be non-hazardous.

4 English

D A N G E R

Explosion hazard. Connect only peripheral components that are clearly marked as

certified for Class 1, Division 2 Hazardous Locations.

Never connect any sensor or digital or analog module to an SC Controller that is not clearly marked

as certified for Class 1, Division 2 Hazardous Locations.

2.2 Icons used in illustrations

Manufacturer

supplied parts

User supplied

parts Look Listen Do one of these

options

2.3 Product overview

The 4–20 mA output module is an expansion card that supplies five 4–20 mA analog output

connections to the SC4200c and SC4500 controllers. The module connects to the expansion

modules slots inside the controller. The analog outputs are commonly used for analog signaling or to

control other external devices.

2.4 Product components

Make sure that all components have been received. Refer to Figure 1. If any items are missing or

damaged, contact the manufacturer or a sales representative immediately.

Figure 1 Product components

1 Module connector 3 Label with wiring information

2 4-20 mA output module

Section 3 Installation

D A N G E R

Multiple hazards. Only qualified personnel must conduct the tasks described in this

section of the document.

English 5

D A N G E R

Electrocution hazard. Remove power from the instrument before this procedure is

started.

D A N G E R

Electrocution hazard. High voltage wiring for the controller is conducted behind the high

voltage barrier in the controller enclosure. The barrier must remain in place unless a

qualified installation technician is installing wiring for power, alarms, or relays.

WARNING

Electrical shock hazard. Externally connected equipment must have an applicable

country safety standard assessment.

N O T I C E

Make sure that the equipment is connected to the instrument in accordance with local, regional and

national requirements.

3.1 Electrostatic discharge (ESD) considerations

N O T I C E

Potential Instrument Damage. Delicate internal electronic components can be damaged

by static electricity, resulting in degraded performance or eventual failure.

Refer to the steps in this procedure to prevent ESD damage to the instrument:

• Touch an earth-grounded metal surface such as the chassis of an instrument, a metal conduit or

pipe to discharge static electricity from the body.

• Avoid excessive movement. Transport static-sensitive components in anti-static containers or

packages.

• Wear a wrist strap connected by a wire to earth ground.

• Work in a static-safe area with anti-static floor pads and work bench pads.

3.2 Install the module

Install the module in the controller. Refer to the illustrated steps that follow.

Notes:

• To keep the enclosure rating, make sure that all unused electrical access holes are sealed with an

access hole cover.

• To maintain the enclosure rating of the instrument, unused cable glands must be plugged.

• Maximum loop resistance is 500 Ω.

• The analog outputs are isolated from the other electronics, but are not isolated from each other.

• The analog outputs are self-powered. Do not connect to a load with voltage that is independently

applied.

• The analog outputs cannot be used to supply power to a 2-wire (loop-powered) transmitter.

6 English

English 7

8 English

English 9

N O T I C E

Use cabling with a wire gauge of 0.08 to 1.5 mm2 (28 to 16 AWG)2 and an insulation rating of

300 VAC or higher. Use twisted-pair shielded wire3.

2Do not use wire gauge other than 0.08 to 1.5 mm2 (28 to 16 AWG), unless wires can be isolated

from mains power and relay circuits.

3Use of non-shielded cable may result in radio frequency emission or susceptibility levels higher

than allowed.

10 English

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