Emerson Dixell XEV20D Manual de usuario

Document Part # 026-4283 Rev 0 Page 1 of 8

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Contents

1 General Warnings .....................................................................................................................2

2 General Description ..................................................................................................................2

3 Absolute Maximum Power ........................................................................................................3

4 Wiring Diagram ........................................................................................................................3

4.1 One Valve Configuration ........................................................................................................... 3

4.2 Two Valves Configuration .......................................................................................................... 4

4.3 IPro Connections ....................................................................................................................... 4

5 Valve Connections .....................................................................................................................5

6 Serial Line - CanBus ...................................................................................................................6

7 LEDs Meaning ...........................................................................................................................7

8 Technical Data ..........................................................................................................................8

Quick Reference Guide

Stepper Valve Actuator XEV20D

Document Part # 026-4283 Rev 0 Page 2 of 8

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1 General Warnings

PLEASE READ BEFORE USING THIS MANUAL

SAFETY PRECAUTIONS

2 General Description

XEV20D is a stepper valve actuator intended either for bipolar stepper valves or unipolar stepper valves. This

device has been used with ISaGRAF® environment and with programmable devices of iPRO series or in

combination with instruments of i-CHILL 200CX series.

The maximum configuration of hardware is equipped with:

• 2 configurable valve outputs to drive bipolar or unipolar valves

• Pb1/Pb2 configurable analog inputs: NTC/PTC/Pt1000

• Pb3/Pb4 configurable analog inputs: 4 to20mA/0 to5V/Pt1000

• CanBus serial line

• LAN to communicate with instrument of the same series or devices of i-CHILL200CX series

• This manual is part of the product and should be kept near the instrument for easy and quick

reference.

• The instrument shall not be used for purposes different from those described hereunder. It

cannot be used as a safety device.

• Check the application limits before proceeding.

• Check if the supply voltage is correct before connecting the instrument.

• Do not expose to water or moisture: use the controller only within the operating limits avoiding

sudden temperature changes with high atmospheric humidity to prevent formation of

condensation.

• Warning: Disconnect all electrical connections before any kind of maintenance.

• Fit the probe where it is not accessible by the end user. The instrument must not be opened.

• In case of failure or faulty operation send the instrument back to the distributor or to

“Dixell S.p.A.” with a detailed description of the fault.

• Consider the maximum current which can be applied to each relay (see Technical Data).

• Ensure that the wires for probes, loads and the power supply are separated and far enough from

each other, without crossing or intertwining.

• In case of applications in industrial environments, the use of mains filters (our mod. FT1) in

parallel with inductive loads could be useful.

Document Part # 026-4283 Rev 0 Page 3 of 8

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3 Absolute Maximum Power

XEV20D is able to drive a wide range of stepper valves, in the following table are indicated the maximum values of

current that the actuator can supply to the stepper wiring. Select the current transformer depending on application

seeing the following table, for each kind of driving and functioning is reported the Dixell transformer to use.

NOTE: The electrical power absorption of the valve can be unrelated to refrigeration power that valve has. Before

using the actuator, please read the technical manual of the valve supplied by the manufacturer and check the

maximum current used to drive the valve in order to verify that they are lower than those indicated below.

4 Wiring Diagram

4.1 One Valve Configuration

CONFIGURATION

ONE VALVE TWO VALVES

Driving Mode

Full Step Full Step

Valve Type

Bipolar Valves

(4 wires)

Current 0.9A max

> TF20D

Current 0.9A max for each valve

> TF40D

Unipolar Valves

(5-6 wires)

Current 0.33A max

> TF20D

Current 0.33A max for each valve

> TF20D

Document Part # 026-4283 Rev 0 Page 4 of 8

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4.2 Two Valves Configuration

4.3 IPro Connections

Document Part # 026-4283 Rev 0 Page 5 of 8

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5 Valve Connections

Pay attention to the following table for a quick reference on the connection mode for valves of different

manufacturers:

4 WIRES VALVES (BIPOLAR)

5-6 WIRES VALVES (UNIPOLAR)

Connection Numbering ALCO EX*

ALCO EX5/6 SPORLAN SEI-SHE DANFOSS ETS

4 White

Blue White Black

2 Yellow

Brown Black White

3 Brown

Black Red Red

1 Green

White Green Green

5 - Common ----

---- ---- ----

Connection Numbering SPORLAN

SAGINOMIYA

4 Orange Orange

2 Red Red

3 Yellow Yellow

1 Black Black

5 - Common Gray Gray

Figure 5-1 - XEV20D Device

Document Part # 026-4283 Rev 0 Page 6 of 8

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6 Serial Line - CanBus

The device can communicate through CanBus serial line only when a correct address is set. The addressing is made

through the dip-switch called Address as you can see in the following drawing:

The following table has to be used to configure ISaGRAF lines to connect the valve actuator.

Figure 6-1 - CanBus Serial Line

Figure 6-2 - CanBus Device

LINE GEN_LINE

GEN_AO GEN_AO GEN_AO GEN_A1 GEN_DI

channel number

4 2 7 4 3

line_num CanBus

Number

CanBus

Number

CanBus

Number

CanBus

Number

CanBus

Number

CanBus

Number

name CAN

par_1 CanBus

Number

CanBus

Number

CanBus

Number

CanBus

Number

CanBus

Number

CanBus

Number

par_2 CAN node

address

16 17 26 1 31

par_3 10

I/O 1

EVV_StepsOutp

ut Valve 1

EEV_OutRateV

alve 1

EVV_ProbeTCo

nfiguration

Valve 1

EVV_Temperat

ure Valve 1

EVV_ValvePosi

tion Valve 1

The address is set in binary mode.

Every selector has a different weight, in figure

nearby the address is:

1 x 1 = 1

2 x 0 = 0

4 x 1 = 4

8 x 1 = 8

1+4+8=13

Document Part # 026-4283 Rev 0 Page 7 of 8

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7 LEDs Meaning

The following table has to be used to configure ISaGRAF lines to connect the valve actuator.

I/O 2

EVV_StepsOutp

ut Valve 2

EEV_OutRateV

alve 2

EVV_ProbeTCo

nfiguration

Valve 2

EVV_Temperat

ure Valve 2

EVV_Valve

Posi

tion Valve 2

I/O 3

EVV_Steps

MaxValve 1

EVV_ProbePCo

nfiguration

Valve 1

EVV_Pressure

Valve 1

I/O 4

EVV_Steps

MaxValve 2

EVV_ProbePCo

nfiguration

Valve 2

EVV_Pressure

Valve 2

I/O 5

EVV_OutPhasC

urrent Valve 1

I/O 6

EVV_OutPhasC

urrent Valve 2

I/O 7

EVV_OutValveC

onfiguration

I/O 8

LED MODE

MEANING

PWR ON On The device is correctly powered

ALARM On An alarm is present

TX/RX Blinking CanBus or LAN activity, communication activated

TX/RX On No link

OPEN V1 Blinking Valve 1 is opening

OPEN V1 On Valve 1 completely opened

CLOSE V1 Blinking Valve 1 is closing

CLOSE V1 On Valve 1 completely closed

OPEN V2 Blinking Valve 2 is opening

OPEN V2 On Valve 2 completely opened

CLOSE V2 Blinking Valve 2 is closing

CLOSE V2 On Valve 2 completely closed

LINE GEN_LINE

GEN_AO GEN_AO GEN_AO GEN_A1 GEN_DI

This document may be photocopied for personal use.

Visit our website at www.climate.emerson.com for the latest technical documentation and updates.

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The contents of this publication are presented for informational purposes only and they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein

or their use or applicability. Emerson reserves the right to modify the designs or specifications of such products at any time without notice. Responsibility for proper selection, use and maintenance of any product

Document Part # 026-4283 Rev 0 Page 8 of 8

8 Technical Data

Case 4 DIN

Connectors Disconnectable terminal block ≤ 2,5 mm2 for valve outputs and minifit

connector for low voltage section

Power Supply 24Vac/dc; Absorption: 40VA max.

Probe Inputs 2 configurable as NTC/PTC/Pt1000

2 configurable as NTC/PTC/Pt1000/4 to 20mA/ to 5V

Valve Output(s) See table on page 3

Serial Connection CanBus and LAN for iCHILL200CX

Data Storing Non volatile memory (EEPROM)

Kind of Action 1B; Pollution Grade: 2; Software Class: A

Rated Impulsive Voltage 2500V; Over-voltage Category: II

Operating Temperature 10 to 60 °C; Storage Temperature: -30 to 85 °C

Relative Humidity 20 to 85% (no condensing)

Measuring and Regulation Range

PTC Probe: -50 to150°C

NTC Probe: -40 to110°C

Pt1000 Probe: -50 to 100°C

Pressure Transducer: -1.0 to 50.0 Bar

Resolution 0,1°C or 1 °F; Precisione@ 25°C: ±0,1 °C ±1 digit

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