Sintrol S300 Series Manuel utilisateur

S300 Series Dust Monitors

USER’S MANUAL

For S303 Dust Monitor

This manual describes how to install and use SINTROL’s digital triboelectric

dust monitor S303.

This manual is intended as a guide to the use and installation of the product.

Sintrol shall not be liable for any loss or damage whatsoever arising from use of

any information or details therein, or omission or error in this manual, or any

misuse of the product.

SINTROL Oy

Ruosilantie 15

00390 Helsinki

Finland.

Tel +358 9 5617 360

Fax +358 9 5617 3680

DustMonitor User Manual

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Table of Contents

1. INTRODUCTION............................................................................................3

1.1 Safety .............................................................................................................3

1.2 Product overview ...........................................................................................4

1.3 How does it work ? ........................................................................................4

2. INSTALLATION.............................................................................................5

2.1 Selecting the installation location..................................................................5

2.2 Installing the sensor .......................................................................................7

3. WIRING OF POWER AND OUTPUT CIRCUITS.....................................8

3.1 AC- power connectors (X3)...........................................................................8

3.2 Signal connector (X5)....................................................................................9

4. TECHNICAL SPECIFICATION.................................................................10

5. DIMENSIONS................................................................................................11

6. OPERATION .................................................................................................12

6.1 Operation of the monitor..............................................................................12

6.2 Relay connections........................................................................................12

6.3 How to change parameter values.................................................................14

6.4 Parameter 1 and 2 - Alarm relay 1 and Alarm relay 2 threshold.................15

6.5 Parameter 3 - Analog output zero adjustment..............................................15

6.6 Parameter 4 - Analog output span adjustment.............................................15

6.7 Parameter 5 - Alarm Relay delay time.........................................................15

6.8 Parameter 6 - Analog output damping.........................................................16

6.9 Parameter 7 - Normal process operation point ............................................16

7. AUTOMATIC SETUP ..................................................................................16

8. MAINTENANCE...........................................................................................18

9. TROUBLESHOOTING................................................................................18

9.1 The Monitor is not giving output signal ......................................................18

9.2 The Monitor is giving 4 mA or 20 mA continuously after autosetup

procedure. .................................................................................................................18

DustMonitor User Manual

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1. INTRODUCTION

1.1 Safety

Model LV requires a 115 VAC, 50/60 Hz power supply and model HV a 230 VAC,

50/60 Hz power supply. In both cases, the power supply must be considered as

potentially lethal and all suitable precautions must be taken whenever the cover of the

unit is removed. DC model requires 24 VDC power supply.

S300 Series dust monitors are virtually maintenance free. Under no circumstances

should the user attempt to replace any components or the PC board. If, for some

reason the monitor fails to operate, contact your local distributor or the manufacturer.

Take appropriate precautions when installing the monitor:

Unless the process conditions are known to be entirely safe, suitable

precautions must be taken before any entry is made into the duct for

installation or maintenance purposes.

•The unit may be installed in ducting, containing particulate, hazardous to

health.

•The particulate may be inflammable, explosive or toxic

•The gas can be hot and pressurised

The S300 Series dust monitors do not have an internal circuit breaker. The customer

has to install a separate circuit breaker to the power cable to ensure that the power can

be isolated. Electrical installations must be carried out in a manner to satisfy all

applicable, local regulations.

It is essential that the unit is correctly grounded! (see section 3.1)

DustMonitor User Manual

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1.2 Product overview

The S303 Trend monitor is a microprocessor-based, self-adjusting device, equipped

with two alarm relays and a 4-20 mA signal output is designed for trend or filter bag

leak detection. It can also be used to detect blockage or stoppage in pneumatic

transport and bulk solids handling. It is a compact unit with the sensor and control

units built into one IP65 enclosure, that has been specifically designed for easy

installation and operation. The standard model is designed for applications at up to 2

bar and 100 °C. High-temperature (HT) models are available for at up to 350 °C.

1.3 How does it work ?

The model S303 Trend monitor use proven and reliable triboelectric technology where

the interaction of particles with the sensor rod causes a small electrical charge to pass

between the particulate and sensor.

It is this small electric charge that provides the signal monitored by the electronics, the

signal generated is proportional to the dust level even if particles accumulate on the

sensor. Experience has shown that this method of monitoring dust level in gasses,

offers accurate results with minimum maintenance.

DustMonitor User Manual

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2. INSTALLATION

2.1 Selecting the installation location

The best location for installation of the units of the S300 Series is in a section of duct

where the particulate has an even distribution and the flow is laminar. This is to ensure

that the sensor rod comes into contact with a representative flow of particles.

The ideal position would be in a section of duct, that has no bends, valves, dampers or

other obstructions for a distance equal to at least three duct diameters downstream or

upstream (preferable 5 x duct diameter).

Figure 1. Recommended distances to duct bends

In some applications, a compromise must be made and the sensor will have to be fitted

in a position that satisfies the majority of above requirements. The units of the S300

Series must be attached to metal ductwork so that they will be electrically shielded

from interference and be provided with a ground reference. For non-metal ducts, a

section of the duct, approximately five diameters in length, should be covered with a

metal foil or fine-mesh outside of the duct.

The units must not be installed in direct sunlight or in areas where the ambient

temperature is above 45

C. Please contact your local distributor or Sintrol if you

require further advice.

DustMonitor User Manual

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Figure 1. S303 Trend Monitor

The unit shall be installed in a position, where the gas flow passes the sensor rod in a

90°angel.

In round cross-section ducts, the unit can be installed in any position above the

horizontal axis (between 9 o’clock and 3 o’clock).

For square cross-section ducts, the unit must be positioned in the middle of the top or

in the middle of one of the sides. In all cases, the tip of the sensor rod must extend at

least 1/3 of the diameter of the duct. Depending on the dust concentration, the probe

length could vary from 1/3 to 2/3 of the duct diameter. As a rule of thumb: the lower

the dust concentration the longer the probe.

If possible the unit shall be installed in a position where the duct pressure is negative.

If installed downstream an electrostatic precipitator (ESP), the distance from the ESP

should be at least 20 m. Although the sensor (lengths less than 1m) is not affected by

vibration, very high vibration levels should be avoided.

Figure 3a. Round cross-section duct Figure 3b. Square cross-section duct

The mounting socket in

the middle of the side or

in the middle of the top

The unit above

horizontal axis

DustMonitor User Manual

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2.2 Installing the sensor

Once the location of the unit has been selected, the mounting socket must be welded to

the pipe or duct. To do this, first cut a hole in the duct slightly larger than the OD

of the mounting socket, 38 mm. The socket must be perpendicular to the flow in the

duct. Make sure the socket is in the right position and make an airtight welding

After welding the socket in position, insert the sensor.

Figure 4a. Sensor installation

1. Probe 5. Enclosure

2. Fixing screw 6. Duct wall

3. Cables (mains and signals) 7. Socket

4. Cover 8. Weld

WRONG SOCKET INSTALLATION

Figure 4b.

Wrong socket installation

THE DIAMETER OF THE HOLE MUST BE MINIMUM 38 MM

IMPORTANT !!

The hole diameter

must be at least

38 mm

Diameter of the hole

to the stack must be

minimum Ø 38 mm.

to avoid the sensor

probe contact to the

duct wall.

DustMonitor User Manual

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3. WIRING OF POWER AND OUTPUT CIRCUITS

3.1 AC- power connectors (X3)

Voltage: 230 VAC +/- 20 V or 115VAC +/- 10V or 24 VDC

Frequency: 45 Hz … 65 Hz (AC models)

Power cable: 3 x 1,5 mm

Connect a 115/230 VAC power supply or a 24 VDC power supply to connector X3

(see Figure 5). Push the connector lever until the connector slot jaw opens, insert the

power supply lead, then release the lever. Attach the ground wire to the GND screw.

AC1 Line terminal. (+ terminal in 24 VDC model)

AC2 Neutral terminal. (- terminal in 24 VDC model)

GND Protective earth terminal.

Figure 5. Wiring

AC1

AC2

DustMonitor User Manual

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3.2 Signal connector (X5)

One or more of the following functions are available, depending of the product model:

Relay output 1: Volt free SPDT contact, max. load 5 A @24 V AC/DC

Relay output 2: Volt free SPDT contact, max. load 5 A @24 V AC/DC

Analogue output: 4-20 mA, active, isolated. isolation Voltage 500 V.

Serial communication: RS-422 isolation Voltage 500 V.

Connect the signal wires to connector X5 (see Figure 6a and 6b). Push the connector

lever with a screw driver, until the connector slot jaw opens, insert or remove the wire,

then release the lever.

Slot 1 Relay1 normally closed (NC) terminal. (S301/S302/S303)

Slot 2 Relay1 common (C) terminal. (S301/S302/S303)

Slot 3 Relay1 normally open (NO) terminal. (S301/S302/S303)

Slot 4 Relay2 normally closed (NC) terminal. (S301/S302/S303)

Slot 5 Relay2 common (C) terminal. (S301/S302/S303)

Slot 6 Relay2 normally open (NO) terminal. (S301/S302/S303)

Slot 7 4-20 mA (+) more positive terminal, active output. (S302/S303)

Slot 8 4-20 mA (-) more negative terminal, active output. (S302/S303)

Slot 9 RS 422 output (+) terminal (N/A in models S301/S302/S303)

Slot 10 RS 422 output (-) terminal (N/A in models S301/S302/S303)

Slot 11 RS 422 input (+) terminal (N/A in models S301/S302/S303)

Slot 12 RS 422 input (-) terminal (N/A in models S301/S302/S303)

Figure 6a. Signal connector Figure 6b. Signal connector X5 wiring

Signal connector terminal

SERIAL

RELAY 2

RELAY 1

SHIELD GROUND

USED ONLY WITH SERIAL

COMMUNICATION

DustMonitor User Manual

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4. TECHNICAL SPECIFICATION

Measured objects: Solid particles (dust) in a gas stream

Particle size: 0.3 µm or larger

Measurement range: 0.1 mg/m

to 1 kg/m

Process Conditions:

Temperature: Max. 100°C (standard) / 200-350°C (optional)

Pressure: Max. 200 kPa

Gas velocity: Min. 4 m/s

Humidity: 95 % RH or less (non-condensing)

Input surge voltage: Max. 100 V

principle of Measurement: Friction / electrostatic detection

Damping time constant: 10 to 180 seconds

Output signals: Isolated 4-20 mA

Relay 5 A , 24 V AC or DC

Ambient conditions:

Temperature: -20 to + 45

Humidity: 95% RH (non-condensing)

Vibration: 5 m/s

or less

Materials:

Sensor rod: Stainless steel

Insulation of sensor: PEEK (300

C), Teflon (100

Enclosure /casing. Aluminium alloy

Power Supply: 115 VAC or 230 VAC or 24 VDC

Power consumption: 8 W AC models, 3 W 24 VDC model

Wiring connections: DIN PG11 port for power cables

DIN PG11 port for signal cable

Weight: 2.3 kg

Range setup options:

Normal measuring range: -automatic, based on average measured dust flow

Extended measuring range: - (option) set at factory

Alarm threshold: Adjustable via internal keys or via serial port.

Zero point offset trim: Automatic

This instrument conforms to the following standards

EN 61010-1:2001 Safety, LVD

EN 61326-1 A1 (1998) Electromagnetic Compatibility EMC

Mechanical tests:

IEC 60068-2-6, TEST Fc(1995-03), IEC 60068-2-29, TEST Eb

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