Spirax Sarco SX25 Series Manual de usuario

IM-P323-25 CH Issue 3 1

SX25 Series Process Controller

Installation and Maintenance Instructions

IM-P323-25

CH Issue 3

3231450/3

1. Safety Information

2. Installation

3. Electrical connections

4. Configuration

5. Operations

6. Commissioning examples

7. utomatic tuning

8. Technical specifications

IM-P323-25 CH Issue 3

IM-P323-25 CH Issue 3 3

1. Safety Information

1.1 General

1.2 Wiring Notes

1.3 Safety requirements and electromagnetic

compatibility

2. Installation

2.1 General description

2.2 Dimensional details

2.3 Panel cut-out

2.4 Environmental ratings

2.5 Panel mounting

3. Electrical connections

3.1 Termination

3.2 Precautions and advised conductor course

3.3 Wiring details

3.4 Wiring examples

3.5 Auxiliary relays for Valve Motor Drive actuators

4. Configuration

4.1 Configuration coding

5. Operations

5.1 Keys and display overview

5.2 Display

5.3 Parameter setting

5.4 Parameter menu

5.5 Parameter description

5.6 Configuration menu

6. Commissioning examples

6.1 Example of pressure control for SX25-mA

6.2 Example of temperature control for SX25-VMD

7. Automatic tuning

8. Technical specification

General Index

IM-P323-25 CH Issue 3

1.1 General

Please carefully read through the following before proceeding with the installation of the controller.

Your attention is drawn to Safety Information leaflet IM-GCM-10.

If the controller is handled improperly or not used as specified, the resultant may:

cause danger of the life and limb of the third party,

damage the controller and other assets belonging to the owner,

hinder the performance of the controller and control system.

1.2 Wiring notes

Every effort has been made during the design of the controller to ensure the safety of the user, but the following

precautions must be followed:-

i) Maintenance personnel must be suitably qualified in working with equipment containing hazardous live voltages.

ii) Ensure correct installation. Safety may be compromised if the installation of the product is not carried out as

specified in this manual.

iii) Isolate the controller from the mains supply before opening the unit.

iv) The controller is designed as an installation category II product, and is reliant on the building installation for over-

current protection and primary isolation.

v) Wiring should be carried out in accordance with IEC 60364 or equivalent. For installations in the US and Canada,

the controller must be wired in accordance with the Local and National Electrical Code (NEC) or the Canadian

Electrical Code (CEC).

vi) Fuses should be fitted in all phases. The instrument is protected with an internal fuse PTC, thermal protective

device. To protect the instruments internal circuits use 2A T fuses for Relay outputs and 1A T fuses for Triac

outputs. The Relay contacts are already protected with varistors. Fuses should not be fitted in the protective

earth conductor. The disconnection or removal of other equipment must not compromise the integrity of the

installation protective earth system.

vii) The mains cable connection at the rear of the controller must be retained in position (by tie wrapping Etc.) This will

prevent the high voltage cables at the rear of the controller from touching the SELV (Safe Extra Low Voltage)

connections, in the unlikely event of the terminals coming loose.

1. Safety Information

IM-P323-25 CH Issue 3 5

viii) A disconnecting device (switch or circuit breaker) must be included in the building installation. This must be

in close proximity to the equipment and within easy reach of the operator.

There must be a 3 mm contact separation in all poles.

It must be marked as the disconnecting device for the controller.

It must not interrupt the protective earth conductor.

It must not be incorporated into a mains supply cord.

The requirements for the disconnecting device are specified in IEC 60947-1 and IEC 60947-3 or equivalent.

ix) The controller must not be located in such a way that the disconnecting device is made difficult to operate.

1.3 Safety requirements and electromagnetic compatibility

This product is CE marked. It complies with the requirements of 73/23/EEC as ammended by 93/68/EEC on the

harmonisation of the law of Member States relating to electrical equipment designed for use within certain voltage

limits, by meeting the standard EN 61010-1 (IEC 601010-1):90 +A1:92 + A2:95

This product complies with the requirement of 89 / 336/ EEC as amended by 92/ 31/ EEC on the approximation of

laws of the Member States relating to Electromagnetic Compatibility, by meeting the standards of :

EN 50081-2 (Industrial Emissions)

EN 61000-6-2 (Industrial immunity)

The product may be exposed to interference above the limits of EN 61000-6-2 if:

The product or its wiring is located near to a radio transmitter.

Excessive electrical noise occurs on the mains supply.

Cellular telephones and mobile radios may cause interference if used within approximately one metre of the

product or its wiring. The actual separation necessary will vary according to the power of the transmitter.

Power line protectors (ac) should be installed if mains supply noise is likely.

Protectors can combine filtering, suppression, surge and spike arrestors.

IM-P323-25 CH Issue 3

2. Installation

2.1 General description

Installation must only be carried

out by qualified personnel.

Before proceeding with the installation

of this controller, follow the instructions

illustrated in this manual and,

particularly the installation precautions

marked with the symbol, related

to the European Community directive

on electrical safety and electromagnetic

compatibility.

To prevent hands or metal touching

parts that may be electrically live, the

controllers must be installed in an

enclosure and/or in a cubicle.

IM-P323-25 CH Issue 3 7

2.2 Dimensional details 2.3 Panel cut-out

IM-P323-25 CH Issue 3

2.4 Environmental ratings

Operating conditions

Altitude up to 2 000 m (6 561 ft)

Temperature 0...50°C (32...122°F)

Relative humidity 5...95% non-condensing

Special conditions Suggestions

Temperature >50°C

Humidity > 95%

Conducting atmosphere Use filter

Warm up

Use forced air ventilation

Forbidden conditions

Corrosive atmosphere

Explosive atmosphere

%Rh

IM-P323-25 CH Issue 3 9

2.5 Panel mounting

1Prepare panel cut-out

2Check front panel gasket position

3Insert the instrument through

the cut-out

1Fit the mounting clamps

2Push the mounting clamps towards

the panel surface to secure the

instrument

1Push and

2pull to remove the instrument

Electrostatic discharges can damage

the instrument

Before removing the

instrument the operator must

discharge himself to ground

1Insert the screwdriver in the

clips of the clamps

2Rotate the screwdriver

2.5.1 Insert the instrument 2.5.2 Installation securing 2.5.3 Clamps removing

2.5.4 Instrument unplugging

UL note:

For use on a flat surface

of a Type 2 and Type 3

'raintight' enclosure.

IM-P323-25 CH Issue 3

3. Electrical connections

3.1 Termination Unit

SX25-VMD

Output onOP1:

OP3:

SX25-mA

Output on OP4: mA

Pt 100

VMD

OP4 mA

(SX25 mA ONLY)

Terminals

Pin connector

q 1.4 mm

0.055 in max

Fork-shape

AMP 165004

Ø5.5 mm - 0.21 in

Stripped wire

L 5.5 mm - 0.21 in

18 screw terminals

Option terminals

Holding screw

0.5 N m

Positive screw

driver PH1

Negative screw

driver 0.8 x 4 mm

UL note:

Use 60/70°C (140/158°F)

copper (cu) conductor only.

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