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EVCO S.p.A. • Code 104CP3MPA133 • page 1/2

c-pro 3

mega+

Programmable controllers version 1.3

5.4 Plugging in the termination of the first CAN port

Position micro-switch 5 on position ON to plug in the termination of the

first CAN port.

5.5 Plugging in the termination of the second CAN

port

Position micro-switch 1 on position ON to plug in the termination of the

second CAN port.

5.6 Additional information for electrical connection

• do not operate on the terminal blocks with electrical or pneumatic

screwers

• if the controller has been moved from a cold location to a warm one,

the humidity could condense on the inside; wait about an hour be-

fore supplying it

• test the working power supply voltage, working electrical frequency

and working electrical power of the controller; they must correspond

with the local power supply

• connect the controller to the other devices using a twisted pair

• disconnect the local power supply before servicing the controller

• do not use the controller as safety device

• for repairs and information on the controller please contact EVCO

sales network.

6 SIGNALS

6.1 LEDs at the front of the controller

LED MEANING

ON LED power supply

if it is lit, the controller will be supplied

if it is out, the controller will not be supplied

RUN LED run

if it is lit, the application software will be compiled and run-

ning in release modality

if it flashes slowly, the application software will be compiled

and running in debug modality

if it flashes quickly, the application software will be compiled,

running in debug modality and stopped in a breakpoint

if it is out:

- the controller will not be compatible with the application

software

- the controller will not be enabled to work with the special

ABL (Application Block Libraries)

LED system alarm

if it is lit, an alarm system not resettable via software will be

running

if it flashes slowly, a system alarm with automatic reset will

be running

if it flashes quickly, a system alarm with manual reset will be

running

if it is out, no alarm system will be running

CAN LED CANbus communication

if it is lit, the controller will be configured to communicate

via CANbus with another device but the CAN communica-

tion will not have been set up

if it flashes slowly, the CANbus communication will have been

set up but it will not be completely correct

if it flashes quickly, the CANbus communication will have

been set up and will be correct

if it is out, no CANbus communication will be running

L1 LED auxiliary

The operation of this LED can be programmed through the

development environment UNI-PRO 3

6.2 LEDs of the RS-485 ports

COLOUR MEANING

yellow LED Modbus communication

if it is lit, no Modbus communication will be running

if it flashes quickly, the Modbus communication will have

been set up and will be correct

if it is out, the controller will not be configured to communi-

cate via Modbus

red LED Error

if it is lit, an internal error will have arisen

if it flashes quickly, a configuration error will have arisen

if it is out, no error will be running

7 TECHNICAL DATA

7.1 Technical data

Purpose of control: programmable controller for applications in re-

frigeration, ventilation and air conditioning.

Construction of control: electronic control device to be incorpo-

rated.

The following tables show the meaning of the connectors.

MODBUS1

RS-485 port with Modbus slave communication protocol.

MODBUS2

RS-485 port with Modbus master / slave communication protocol

(configurable via application software).

MICRO-SWITCH

Micro-switch to:

- plug in the terminations of the RS-485 ports; also look at paragraph

5.2

- polarize the network of the second RS-485 port; also look at para-

graph 5.3

- plug in the termination of the first CAN port; also look at paragraph

5.4.

CAN BUS

- first CAN port.

TERM. MEANING

CAN + signal +

CAN - signal -

GND ground

- power supply user interface

TERM. MEANING

GND ground

VDC power supply user interface (24 VDC, 120 mA max.)

DIGITAL OUTPUTS

- digital outputs 1, 2 and 3 (electromechanical relays).

TERM. MEANING

CO1/2 common digital outputs 1 and 2

NO1 normally open contact digital output 1

NO2 normally open contact digital output 2

CO3 common digital output 3

NO3 normally open contact digital output 3

- digital outputs 4, 5, 6 and 7 (electromechanical relays).

TERM. MEANING

CO4/5 common digital outputs 4 and 5

NO4 normally open contact digital output 4

NO5 normally open contact digital output 5

CO6/7 common digital outputs 6 and 7

4.2 Installation

On DIN rail 35.0 x 7.5 mm (1.377 x 0.295 in) or 35.0 x 15.0 mm

(1.377 x 0.590 in).

To install

c-pro 3

mega+

operate as shown in the following drawing.

GB ENGLISH

1 GETTING STARTED

1.1 Important

Read these instructions carefully before installing and using the controller and follow all additional information for installation and electrical connec-

tion; keep these instructions close to the controller for future consultations.

The controller must be disposed according to the local legislation about the collection for electrical and electronic

equipment.

NO6 normally open contact digital output 6

NO7 normally open contact digital output 7

- digital output 8 (electromechanical relay).

TERM. MEANING

CO8 common digital output 8

NO8 normally open contact digital output 8

NC8 normally closed contact digital output 8

ANALOG OUTPUTS

TERM. MEANING

VDC power supply driving analog output 1 (24 VDC, 50 mA max.)

AO1 analog output 1 (PWM signal)

GND ground

AO2 analog output 2 (configurable via configuration parameter

for 0-20 mA / 4-20 mA / 0-10 V signal)

AO3 analog output 3 (configurable via configuration parameter

for 0-20 mA / 4-20 mA / 0-10 V signal)

The analog output 1 is usable on condition that the controller is sup-

plied in alternate current and the phase supplying the controller is the

same supplying the user driven by the output.

DIGITAL INPUTS

TERM. MEANING

DI1 digital input 1

DI2 digital input 2

DI3 digital input 3

DI4 digital input 4

DI5 digital input 5

DI6 digital input 6

DI7 digital input 7

COM common digital inputs

The digital inputs are usable on condition that they are supplied at

24 VAC / DC.

ANALOG INPUTS

Each analog input is configurable via configuration parameter for PTC /

NTC / NTC 2 / NTC 3 / Pt 1000 probes / 0-20 mA / 4-20 mA / 0-5 V

ratiometric / 0-10 V transducer, but analog input 2 of the models with

the second CAN port which is configurable via configuration parameter

for PTC / NTC / NTC 2 / NTC 3 / Pt 1000 probes.

2 INTRODUCTION

2.1 Introduction

c-pro 3

mega+

is a family of programmable controllers.

The family is available in the version:

• with 122 x 32 pixel single colour LCD graphic display (black with

rearlighting through white LED) and with a 6 buttons (with preset

functions) keyboard made of silicone rubber integrated in the control-

ler, hereinafter also called built-in versions

• blind (usable for example with an user interface such as

Vgraph

Vtouch

), hereinafter also called blind versions.

The controllers have got:

- real time clock

- alarm buzzer (not available in the blind versions)

- 8 analog inputs of which 3 configurable via configuration parameter

for NTC / 0-20 mA / 4-20 mA and 5 configurable via configuration

parameter for PTC / NTC / Pt 1000 probes / 0-20 mA / 4-20 mA /

0-5 V ratiometric / 0-10 V transducers

- 12 optoisolated digital inputs at 24 VAC / DC

- 5 analog outputs of which 1 non optoisolated PWM output, 2 non

optoisolated outputs configurable via configuration parameter for PWM

/ 0-10 V signal and 2 non optoisolated outputs configurable via con-

figuration parameter for 0-20 mA / 4-20 mA / 0-10 V signal

- 10 digital outputs (electromechanical relays) of which five

5 res. A @ 250 VAC SPST outputs, four 8 res. A @ 250 VAC SPST out-

puts and one 8 res. A @ 250 VAC SPDT output

- 5 non optoisolated communication ports of which 1 CAN port with

CANbus communication protocol, 1 CAN or MP-Bus port (according

to the model), 1 RS-485 port with Modbus slave communication pro-

tocol, 1 RS-485 port with Modbus master / slave communication pro-

tocol (configurable via application software) and 1 programming and

debugging port.

Through the I/O expansion

c-pro 3 EXP hecto

c-pro 3 EXP hecto+

it is possible to increase the number of inputs and outputs.

Through the development environment UNI-PRO 3 (to order separately)

it is possible to realize the application software and through the pro-

gramming kit EVIF20TUXI (to order separately) it is possible to program

the controller.

The devices look in case 10 DIN modules.

Installation is in electrical panel, on DIN rail.

Through the programming key EVKEY10 (to order separately) it is also

possible to make the upload and the download of the configuration

parameters.

For further information please consult the

Hardware manual of

c-pro 3

To install

c-pro 3

mega+

again press the DIN rail clips to the end first.

4.3 Additional information for installation

• working conditions (working temperature, humidity, etc.) must be between the limits indicated in the technical data

• do not install the controller close to heating sources (heaters, hot air ducts, etc.), devices provided with big magnetos (big speakers, etc.), locations

subject to direct sunlight, rain, humidity, dust, mechanical vibrations or bumps

• according to the safety legislation, the protection against electrical parts must be ensured by a correct installation of the controller; the parts that

ensure the protection must be installed so that you can not remove them if not by using a tool.

5 ELECTRICAL CONNECTION

5.1 Electrical connection

To remove

c-pro 3

mega+

remove possible extractable screw terminal

blocks plugged at the bottom first, then operate on the DIN rail clips

with a screwdriver as shown in the following drawing.

3 DESCRIPTION

3.1 Description

8 display and keyboard (not available in the blind versions)

9 digital inputs 8... 12

10 analog outputs 1... 3

11 digital inputs 1... 7

12 analog inputs 1... 5

13 programming and debugging port

14 power supply

15 analog inputs 6... 8

16 signalling LEDs

17 analog outputs 4 and 5

18 digital outputs 9 and 10

4 SIZE AND INSTALLATION

4.1 Size

10 DIN modules; size in mm (in).

TERM. MEANING

GND ground

AI1 analog input 1

AI2 analog input 2

AI3 analog input 3

AI4 analog input 4

AI5 analog input 5

GND ground

+5V power supply 0-5 V ratiometric transducers (5 VDC,

40 mA max.)

+24V power supply 0-20 mA / 4-20 mA / 0-10 V transducers

(24 VDC, 120 mA max.)

PROG

Programming and debugging port.

POWER SUPPLY

TERM. MEANING

V≅ power supply controller (24 VAC / 20... 40 VDC)

If the controller is supplied in direct current, one will not have to respect

the polarity of the power supply voltage.

DIGITAL OUTPUTS

- digital outputs 9 and 10 (electromechanical relays).

TERM. MEANING

NO10 normally open contact digital output 10

COM common digital outputs 9 and 10

NO9 normally open contact digital output 9

ANALOG OUTPUTS

TERM. MEANING

AO4 analog output 4 (configurable via configuration parameter

for PWM / 0-10 V signal)

AO5 analog output 5 (configurable via configuration parameter

for PWM / 0-10 V signal)

MICRO-SWITCH

Micro-switch to plug in the termination of the second CAN port; also

look at paragraph 5.5.

CAN / MP BUS

- for the models with second CAN port

TERM. MEANING

CAN + signal +

CAN - / MP signal -

GND ground

- for the models with MP-Bus port

TERM. MEANING

CAN - / MP signal

GND ground

DIGITAL INPUTS

TERM. MEANING

DI8 digital input 8

DI9 digital input 9

DI10 digital input 10

DI11 digital input 11

DI12 digital input 12

COM common digital inputs

The digital inputs are usable on condition that they are supplied at

24 VAC / DC.

ANALOG INPUTS

Each analog input is configurable via configuration parameter for NTC

probes / 0-20 mA / 4-20 mA transducer.

TERM. MEANING

GND ground

AI6 analog input 6

AI7 analog input 7

AI8 analog input 8

+24V power supply 0-20 mA / 4-20 mA transducers (24 VDC,

120 mA max.)

5.2 Plugging in the terminations of the RS-485 ports

Position micro-switch 1 on position ON to plug in the termination of the

first RS-485 port.

Position micro-switch 2 on position ON to plug in the termination of the

second RS-485 port.

5.3 Polarizing the network of the second RS-485 port

Position micro-switches 3 and 4 on position ON to polarize the network

of the second RS-485 port.

The following table shows the meaning of the

parts of the controller.

PART MEANING

1 RS-485 port with Modbus slave

communication protocol (hereinaf-

ter also called first RS-485 port)

2 RS-485 port with Modbus master

/ slave communication protocol

(hereinafter also called second

RS-485 port)

3 micro-switch to:

- plug in the terminations of the

RS-485 ports

- polarize the network of the

second RS-485 port

- plug in the termination of the

first CAN port

4 first CAN port

5 digital outputs 1... 8

6 second CAN port or MP-Bus port

(according to the model)

7 micro-switch to plug in the termi-

nation of the second CAN port

1 2

PT • 17/13 2

Inhaltsverzeichnis

Seite 1

EVCO S.p.A. • Code 104CP3MPA133 • page 1/2c-pro 3 mega+ Programmable controllers version 1.35.4 Plugging in the termination of the first CAN portPosit

Seite 2 - PT • 17/13

EVCO S.p.A. This document belongs to EVCO; unless you are authorized by EVCO, you can not publish it.Via Mezzaterra 6, 32036 Sedico Belluno ITALY EVCO

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