Sentera Controls EVSS1 Series Manuel de service

EVSS ELECTRONIC FAN

SPEED CONTROLLER

WITH TK

Mounting and operating instructions

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Table of contents

SAFETY AND PRECAUTIONS 3

PRODUCT DESCRIPTION 4

ARTICLE CODES 4

INTENDED AREA OF USE 4

TECHNICAL DATA 4

STANDARDS 5

WIRING AND CONNECTIONS 5

OPERATIONAL DIAGRAMS 6

MOUNTING INSTRUCTIONS IN STEPS 8

VERIFICATION OF INSTALLATION INSTRUCTIONS 10

OPERATING INSTRUCTIONS 11

MODBUS REGISTER MAPS 12

TRANSPORT AND STORAGE 16

WARRANTY AND RESTRICTIONS 16

MAINTENANCE 16

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SAFETY AND PRECAUTIONS

Read all the information, the datasheet, mounting and operating instructions and

study the wiring and connection diagram before working with the product. For

personal and equipment safety, and for optimum product performance, make sure you

entirely understand the contents before installing, using, or maintaining this product.

For safety and licensing (CE) reasons, unauthorised conversion and/ or modiﬁcations

of the product are inadmissible.

e product should not be exposed to abnormal conditions, such as: extreme

temperatures, direct sunlight or vibrations. Long-term exposure to chemical

vapours in high concentration can aﬀect the product performance. Make sure the

work environment is as dry as possible; avoid condensation.

All installations shall comply with local health and safety regulations and local

electrical standards and approved codes. is product can only be installed by an

engineer or a technician who has expert knowledge of the product and safety

precautions.

Avoid contacts with energised electrical parts. Always disconnect the power

supply before connecting, servicing or repairing the product.

Always verify that you apply appropriate power supply to the product and use

appropriate wire size and characteristics. Make sure that all the screws and nuts

are well tightened and fuses (if any) are ﬁtted well.

Recycling of equipment and packaging should be taken into consideration and these

should be disposed of in accordance with local and national legislation/regulations.

In case there are any questions that are not answered, please contact our technical

support or consult a professional.

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PRODUCT DESCRIPTION

e EVSS1 is an electronic speed controller which controls the speed of single-

phase (230 VAC /50—60 Hz) voltage controllable electric motors. It is equipped

with Modbus RTU (RS485) communication, an alarm relay output and thermal

contacts to provide overheating protection of motors with cut-out contacts. e

EVSS controller provides a wide range of functionalities: remote control options,

adjustable oﬀ level, min. and max. output voltage settings, and time-limited motor

operation initiated by a logic or switch signal.

ARTICLE CODES

Code Nominal current, [A] Fuse rating, [A]

EVSS-1-15-DM 1,5 (5*20 mm) F 3,15 A H 250 VAC

EVSS-1-30-DM 3,0 (5*20 mm) F 5,0 A H 250 VAC

EVSS-1-60-DM 6,0 (5*20 mm) F 10,0 A H 250 VAC

E V SS -110 0 - DM 10,0 (6,3*32 mm) F 16,0 A H 250 VAC

INTENDED AREA OF USE

■Fan speed control in ventilation systems

■For indoor use only

TECHNICAL DATA

■Power supply: 230 VAC ±10 %-50—60 Hz

■Analog input:

►voltage: 0—10 VDC/10—0 VDC

►current: 0—20 mA/20—0 mA

■Analog input modes: ascending or descending

■Analog input functionality: Normal mode / Logic mode

■Remote control input: normal or timer functionality

■Regulated output: 30—100 % Us

■Max. output load: depends on the version

■Unregulated output, L1: 230 VAC (50/60 Hz)/max. 2 A

■Alarm output (230 VAC / 1 A)

■Min. output voltage setting, Umin: 30—70 % Us (69—161 VAC), selectable by

trimmer or via Modbus

■Max. output voltage setting, Umax: 75—100 % Us (175—230 VAC), selectable by

trimmer or via Modbus

■Oﬀ level, adjustable by trimmer or via Modbus:

►0—4 VDC/0—8 mA for ascending mode

►10—6 VDC/20—12 mA for descending mode

■Kick start or soft start

■Low voltage supply output: +12 VDC/1 mA for external potentiometer

■Modbus communication

■Operating indication:

►continuous green: normal operation

►blinking green: stand-by

■Overvoltage and overcurrent protection

■ermal inputs for motor overheating protection

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■Motor overheating indication

■Enclosure: plastic R-ABS, UL94-V0; grey colour (RAL 7035)

■Protection standard: IP54 (according to EN 60529)

■Operating ambient conditions:

►temperature: -20—40 °C

►rel. humidity: < 95 % rH (non-condensing)

■Storage temperature: -40—50 °C

STANDARDS

■Low Voltage Directive 2006/95/EC

■EMC Directive 2004/108/EC: EN 61326

■WEEE Direc tive 2012/19/EU

■RoHs Directive 2011/65/EU

WIRING AND CONNECTIONS

L Supply voltage 230 VAC ±10 % / 50—60 Hz

NNeutral

PE Earth terminal

L1 Unregulated output (230 VAC/max. 2 A)

U1, U2 Regulated output to the motor

TK, TK ermal contact

NNeutral

AL Alarm output (230 VAC / 1 A)

SW Remote control switch

A Modbus RTU (RS485) signal A

/B Modbus RTU (RS485) signal /B

+V Supply output +12 VDC/1 mA

Ai Analog input (0—10 VDC/0—20 mA) or

(10—0 VDC/20—0 mA)

GND Ground

Connections Cable cross section: max. 2,5 mm2

Cable gland clamping range: 3—6 mm/ 5—10 mm

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OPERATIONAL DIAGRAMS

Normal / Remote operating modes

Ascending input mode Descending input mode

Oﬀ level disabled

out

[%]

10 VDC

20 mA

Umax

Umin

Ai ,

[VDC]/[mA]

100

Umax

range

Umin

range

out

[%]

10 VDC

20 mA

Umax

Umin

Ai ,

[VDC]/[mA]

100

Umax

range

Umin

range

Ascending mode

calculation formula

Uout=Umin+ Aimax

(Umax-Umin)

Descending mode

calculation formula

Uout=Umax- Aimax

(Umax-Umin)

Umax

Umin

,Ai

[VDC]

[mA]

4 VDC

8 mA

[%]out

100

10 VDC

20 mA

Umax

range

Umin

range

Oﬀ level

range

Umax

Umin

,Ai

[VDC] /

[mA]

10 VDC

20 mA

6 VDC

12 mA

U,[%]out

100

Umax

range

Umin

range

Oﬀ level

Oﬀ level enabled

Ascending mode

calculation formula

Uout=Umax+ Aimax-Oﬀ level

Ai-Oﬀ level (Umax-Umin)

Descending mode

calculation formula

Uout=Umax- Aimax-Oﬀ level

Ai-Oﬀ level (Umax-Umin)

t, [s]

Umax

Umin

Ai,10 VDC / 20 mA

Uout, [%]

100

0 VDC / 0 mA

Umax

range

Umin

range

Kick start time

t, [s]

Umax

Umin

Ai,10 VDC / 20 mA

Uout, [%]

100

0 VDC / 0 mA

Umax

range

Umin

range

Kick start time

Kick start enabled

t [s]

Umax

Umin

Uout, [%]

100

10 VDC /

20 mA Ai,

[VDC]/

[mA]

Umax

range

Umin

range

Soft start time

Oﬀ level

t [s]

Umax

Umin

Uout, [%]

100

10 VDC /

20 mA 0 VDC /

0 mA Ai,

[VDC]/

[mA]

Umax

range

Umin

range

Soft start time

Oﬀ level

Soft start enabled

Oﬀ level

Oﬀ level range

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Ascending input mode Descending input mode

Soft start & oﬀ level

t [s]

Umax

Umin

Uout, [%]

100

10 VDC /

20 mA Ai,

[VDC]/

[mA]

Umax

range

Umin

range

Soft start time

Oﬀ level

t [s]

Umax

Umin

Uout, [%]

100

10 VDC /

20 mA 0 VDC /

0 mA Ai,

[VDC]/

[mA]

Umax

range

Umin

range

Soft start time

Oﬀ level

t, [s]

Umax

Umin

Ai,10 VDC / 20 mA

Uout, [%]

100

0 VDC / 0 mA

Umax

range

Umin

range

Kick start time

t, [s]

Umax

Umin

Ai,10 VDC / 20 mA

Uout, [%]

100

0 VDC / 0 mA

Umax

range

Umin

range

Kick start time

Kick start & oﬀ level

Timer mode Logic mode

t, [s]

5 VDC

2,5 VDC

Remote

Switch,

[VDC]

Stand-by Operate

Voltage

amplitude

range

Switch control signal

t [s]

out, [%]

100

Umax

range

Kick start time Operation timer Controller is oﬀ

Kick start enabled

Soft start enabled

ONON

Holding

Soft start

duration Soft start

duration

Start

Output

Umax

Timer

Soft

start

StopStartStop

Operation

timer

Operation time

Holding

OFF OFF

Switch control signal

Ai >2,4 VDC

ON ON

Holding

Soft start

duration Soft start

duration

Start

Output

Umax

Timer

Soft

start

Start Stop

Operation

timer Operation

timer

Holding

OFF OFF

Ai control signal

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MOUNTING INSTRUCTIONS IN STEPS

Before you start mounting the EVSS controller read carefully “Safety and

Precautions”. Choose a smooth surface for an installation location (a wall,

panel and etc.).

Follow these steps:

1. Switch oﬀ the power supply.

2. Open the enclosure cover and ﬁx the unit to the wall or panel using the provided

dowels and screws. Mind the correct mounting position and unit dimensions.

(See Fig. 1 Mounting position and Fig. 2 Mounting dimensions.)

Fig. 1 Mounting dimensions Fig. 2 Mounting position

140

102

4,50

124

205

Correct Incorrect

3. Connect the motor/fan.

4. e unregulated output (L1, N) can be used to connect a light indicator or to

control a damper actuator, a valve, etc. (if necessary). See Fig. 3.

Fig. 3 Wiring and connections

VR3

O

level

adj

Min.

speed

adj

Max.

speed

adj

0 - 10v / 10 - 0v

0 - 10v / 0 - 20 mA

O level

NBT

Kickstart

1234

VR2VR1

ermal

contact

Alarm output

220 / 240 VAC / 1 A

Power supply

230 VAC , 50—60 Hz

Unregulated output

230 VAC / max. 2 A.

Remote control switch

Modbus RTU

Analog input

0—10 VDC / 0—20 mA

Supply output

+12 VDC / 1 mA

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5. Select the required analog input type and mode, start mode and OFF level

mode by the DIP switch on the board. (See Fig. 4 DIP switch settings.)

Fig. 4 DIP switch settings

Ascending/descending

mode selection

(DIP switch, position 1)

1 2 3 4

ON - Descending mode:

10—0 VDC/20—0 mA

OFF - Ascending mode:

0—10 VDC/0—20 mA

OFF level selection

(DIP switch, position 2)

1 2 3 4

ON - enabled

OFF - disabled

Kick start / soft start

selection

(DIP switch, position 3)

1 2 3 4

ON - Kick start

OFF - Soft start

Input mode selection

(DIP switch, position 4)

1 2 3 4

ON - Current mode

(0—20 mA)

OFF - Voltage mode

(0—10 VDC )

VR3

O

level

adj

Min.

speed

adj

Max.

speed

adj

0 - 10v / 10 - 0v

0 - 10v / 0 - 20 mA

O level

NBT

Kickstart

1234

VR2VR1

6. e Network Bus Terminator (NBT) is used to set the device as an end device

and by default the NBT is disconnected. It is put manually onto the pins to

be connected (see Fig. 5). To assure correct communication, the NBT jumper

needs to be activated in only two devices on the Modbus RTU network (see

Example 1 and Example 2).

Example 1 Example 2 Fig. 5 Network bus

resistor jumper

ТX

NBT

Slave 2

Master

Slave n

Slave 1

Slave 2

Slave 1

ТX

NBT

Master

Slave n

ATTENTION On a Modbus RTU network, two bus terminators (NBTs) need to be activated

ATTENTION If an AC power supply is used with any of the units in a Modbus network, the

GND terminal should NOT BE CONNECTED to other units on the network or

via the CNVT‑USB‑RS485 converter. is may cause permanent damage to the

communication semiconductors and/or the computer!

7. Connect the power supply cable.

8. Adjust the max. speed by trimmer (if necessary). e default setting is Us

(230 VAC). See Fig. 6 Max. speed trimmer.

9. Adjust the min. speed by trimmer (if necessary). e default setting is 30 % Us

(69 VAC). See Fig. 7 Min. speed trimmer.

10. Adjust the OFF level value by trimmer (if necessary). e default setting is

0 VAC. See Fig. 8 Oﬀ level trimmer.

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Fig. 6 Max. speedtrimmer Fig. 7 Min. speed trimmer Fig. 8 Oﬀ leveltrimmer

VR3

O

level

adj

Min.

speed

adj

Max.

speed

adj

0 - 10v / 10 - 0v

0 - 10v / 0 - 20 mA

O level

NBT

Kickstart

1234

VR2VR1

VR3

O

level

adj

Min.

speed

adj

Max.

speed

adj

0 - 10v / 10 - 0v

0 - 10v / 0 - 20 mA

O level

NBT

Kickstart

1234

VR2VR1

VR3

O

level

adj

Min.

speed

adj

Max.

speed

adj

0 - 10v / 10 - 0v

0 - 10v / 0 - 20 mA

O level

NBT

Kickstart

1234

VR2VR1

11. Close the enclosure and ﬁx the cover.

12. Switch on the power supply.

13. Customise the factory settings to the desired ones, through 3SModbus

software (if necessary). For the default factory settings see Table Modbus

VERIFICATION OF INSTALLATION INSTRUCTIONS

Follow the instructions below:

1. Switch on the mains supply.

2. Set the NBT jumper, DIP switch, Max. trimmer, Min. trimmer and OFF level

trimmer to desired positions / values. e factory settings are as follows:

►NBT jumper is open (Network bus termination resistor is disconnected)

►Ascending mode: 0—10 VDC / 0—20 mA

►Oﬀ level - OFF

►Kick start disabled

►Input voltage mode (0—10 VDC)

►Min. setting of the Min. speed trimmer

►Max. setting of the Max. speed trimmer

►Min. setting of the Oﬀ level trimmer

3. Set the analog input signal to the maximum value of 10 VDC or 20 mA.

4. e connected motor will run at maximum speed or minimum speed depending

on the analog input mode (ascending / descending).

5. If OFF level is enabled and descending analog input mode is selected, the motor

will stop running.

6. Set the analog input signal to the maximum value of 0 VDC or 0 mA.

7. e connected fan will run at minimum speed or maximum speed depending on

the analog input mode (ascending / descending).

8. If OFF level is enabled and ascending analog input mode is selected, the motor

will stop running.

9. If OFF level is enabled and the input signal is equal to the value of the OFF level,

the speed of the motor will be the minimum speed in ascending mode or the

maximum speed in descending mode.

10. If the controller does not work according to the instructions above, the wiring

connections and settings need to be checked.

11. Check if both LEDs (Fig. 9) blink after you switch on your unit. If they do, your

unit has detected Modbus network. If they do not, check the connections again.

Fig. 9 Communication detection indication

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