1.1 General description ......................................................................................................................................................................... 3
1.2 Models and Features....................................................................................................................................................................... 4
3.1 General warnings.............................................................................................................................................................................. 6
3.1.1 Power supply ....................................................................................................................................................................................................................................... 6
3.1.3 Serial connections.............................................................................................................................................................................................................................. 6
3.4.2 CAN connection example (Field) ................................................................................................................................................................................................10
3.4.3 Example: RS485 connection with FREE Smart network......................................................................................................................................................... 11
3.4.4 CANopen network connection example ................................................................................................................................................................................... 12
4.1 General Technical Data................................................................................................................................................................. 14
4.8 Improper Use .................................................................................................................................................................................. 15
5 User Interface ........................................................................................................................................................16
5.1 Keys and LEDs ................................................................................................................................................................................. 16
5.2 First power on................................................................................................................................................................................. 17
Note: for offset programming see the section on Analogue Inputs in the Connections chapter....................................................................................... 18
5.3.3.1 Date and time ........................................................................................................................................................................................................................ 18
5.4.3 HMI sel ................................................................................................................................................................................................................................................ 18
5.4.3.1 COM Setting ........................................................................................................................................................................................................................... 19
6.1 Table of parameters ......................................................................................................................................................................20
6.1.1 Table of parameters ........................................................................................................................................................................................................................ 20
7 Models and Accessories...................................................................................................................................... 34
To allow quick, easy reference, the guide has been designed with the following features:
References column
A column to the left of the text contains references
need quickly and easily.
Cross references:
words in italics are listed in the analytical index along with the page number where they are dealt with in more detail.
All
In the "on-line" (computer) manual, the words in italics are "hyperlinks" (i.e. mouse-clickable links), connecting up the
different parts of the manual and making it "navigable".
Some text passages are marked by icons in the references c
Important! : highlights information of which an incorrect understanding can i
Note / highlight: indicates further information on the subject concerned that the user should take into account.
Tip: a suggestion that could help the user to understand and make better use of the information
:
to subjects discussed in the text to help you locate the information you
olumn, which have the following meanings:
mpact negatively on the
system or result in risk to persons, instruments, data, etc.; users must read and take note of
these sections.
provided.
1.1 General description
The FREE Panel (EVP) is a fully programmable panel mounting solution with LCD display made by Eliwell,
suitable for managing a wide range of H
The EVPcan be
FREE Smart or third-party controllers it guarantees high performance in terms of memory, connectivity and user interface
as well as
The EVP is designed for panel mounting, and can al
Programming of the EVP is managed via the FREE Studio development tool, which makes it possible to quickly and
reliably create and customise new programs for all types of application.
The use of several different programming languages in accordance with IEC61131-3 standard (industrial control
programming ), makes it possible to develop new algorithms or entire programmes totally unassisted, which can th
uploaded to FREE Evolution modules via PC, guaranteeing maximum confidentiality with appropriate security.
The EVP can be
manage a local menu created with the FREE Studio User Interface
mana
share network variables (binding)
WEB functionalities
The FREE Panel(EVP) also features WEB functionalities (the FREE Panel product is also designated FREE WEB) offeri
makers of machinery and systems integrators full remote access. Having a web-based connection in machines significantly
reduces support and maintenance costs by minimizing call-out charges. End users also benefit, as they can mo
own systems both locally and from distance, using the easy-to-understand graphics interface of any common browser via
smartphone, tablet or PC.
Main WEB functionalities
Web-based access.
Remote reading and support.
Local and remote system control, including alarms management.
Preventive and predictive maintenance.
Email alarm alerts.
Next generation system interface on PC, tablet and smartphone.
used as a system controller, with gateway functions; used in combination with the FREE Evolution and
straightforward programming, maintenance and servicing.
used to:
ge up to 10 remote menus, created with the FREE Studio User Interface a
respective FREE Evolution devices connected to the network
VAC/R and many other applications, from the simplest to the most complex.
so be wall-mounted using a special backplate, available as an accessory.
en be
nd uploaded from the
ng
nitor their
FREE Panel
3/38
1.1.1 Specifications:
FREE Panel EVP 3300/C is equipped with serial CAN, RS485 and
ETHERNET, 3 inputs (1 on-board NTC + 1 remote
configurable NTC/DI +1 remote current/voltage configurable).
FREE Panel EVP 3500/C/R is equipped with serial CAN, RS485 and ETHERNET, 3 i
nputs (1 on-board humidity module + 1
on-board NTC + 1 remote configurable NTC/DI) .
The EVP comes with a built-in 128x64px graphical user terminal.
- - 24V~/c or 48Vcpower supply.
1.2 Models and Features
<IMG INFO>
56,65
29,75
1
2
51
- -> See Appendix A - Models and Accessories, and Technical Data section.
FREE Panel
4/38
2 MECHANICAL INSTALLATION
IMPORTANT! Always make sure the device is switched OFF before touching connections.
operations must be carried out by qualified personnel.
All
Do not mount devices in extremely damp and/or dirt-laden areas; they are designed for use in places with ordinary or
normal levels of contamination.
Make sure the area near the cooling slots is ventilated.
Mounting the FREE Panel (EVP)
Designed for panel mounting.
Make a 138x68mm hole.
Remove the front panel (figure 1) and make 4 holes in the panel that the controller is to be mounted on (Figure 2, points
A/B/C/D) or two holes (Figure 2, points E/F) of dia. 2.7 mm at the specified spacing (Figure 2).
Insert the device, fixing it with the screws. Press the front of the remote terminal to close.
Figure 1
Cut out EVP
A
E
68
Figure 2
Cut out EVP
138
B
F
84
DC
90
150
(x 6)
2.7
FREE Panel
5/38
3 ELECTRICAL CONNECTIONS
<IMG INFO>
30,7
43,9
1
2
51
-28,35
-1
<IMG INFO>
30,7
43,9
1
2
51
-28,35
-1
Temperature
obes
pr
Pressure probes
3.1 General warnings
Before proceeding with any operation, make sure the device is connected to a suitable external transformer. T
following rules must be followed when connecting cards to each other and to the application:
Loads that exceed the maximum limits stated in this manual must not be applied to outputs.
When connecting loads, follow the circuit diagrams carefully.
To avoid unwanted couplings, wire all SELV (safety extra voltage) users separately from high voltage
IMPORTANT!
Make sure the appliance is switched off before working on electrical connections.
by skilled personnel. To ensure proper connections,
3.1.1 Power supply
Important!
Make sure that the power supply is
3.1.2 Analogue Inputs-Probes
Probes have no connection polarity and can be exten
probes influences the electromagnetic compatibility (EMC) of the instrument: take great care with the wiring).
Important!
Pressure probes
Signal leads (temperature/pressure probes, digita
routed separately from power cables.
Use probes supplied by Eliwell. Contact Eliwell sales department for parts availability.
users.
Operations must be carried out
comply with the following:
Power supplies other than those specified can seri
ously damage the system.
Select cables of suitable section for the terminals used
Separate the cables of probes and digital inputs from inductive loads and high voltage connections to prevent
y electromagnetic interference. Do not place probe signal leads near other electrical equipment (switches,
an
meters, etc.)
Make connections as s
hort as possible and do not wind them around electrically connected parts.
To avoid electrostatic discharges, do not touch the electronic components on printed circuit boards.
The device must be connected to a suitable transformer th
Technical Data ch
apter.
at complies with the specifications indicated in the
of the correct voltage for the instrument.
ded using a normal two core cable (note that the extension of the
have a specific connection polarity, which must be observed.
l inputs, RS-485/CAN-BUS serials and the electronic supply) must be
he
3.1.3 Serial connections
On-board CAN as
On-board RS485 as
On-board ETHERNET seria
standard
standard
l as standard
Pay special attention when connecting serial lines: Do not connect instruments that communicate using RS485 seria
minals, or CAN instruments to RS485 terminals.
CAN ter
CAN
CAN
TE 1
NO
Use a shielded and "twisted pair" cable with two 0.5mm
2
conductors, plus braiding (ideally Belden cable model
3105A (characteristic impedance 120 Ohms) with PVC sleeve, 2 conductors plus braid, 22 AWG, nominal capacity
between conductors 36pF/m, nominal capacity between conductor and shielding 68pF/m).
Always follow regulations applicable to the routing and connection of cables. Make certain that data transmission
circuits are properly separated from power lines.
For connections
TERM jumpers (available on the terminal strip beside the CAN seria
over longer distances, it is better to end the line with resistors on both ends, inserting the two R
3-way ( “GS“, “H and “L”) serial CAN
2-way POWER supply
l to
RS485
T
ETHERNE
RS485
INSTALLING THE
NOTE 1
Use a shielded and "twisted pair" cable with two 0.5mm
PVC sleeve, 2 conductors plus braid, 20 AWG, nominal capacity between conductors 89pF/m, nominal capacity between
conductor and shielding 161pF/m).
See EN 50174 standard on IT cabling for indications on how cables should be routed.
Make certain that data transmission circuits are properly separated from power lines.
An RS-485 network up to 1200m in length with a maximum of 256* devices can be
*Note: example of Evolution Modbus Slave with single Master supervisor.
This length can b
NOTE 2
Single terminal strip with 3 conductors: use all 3 conductors (“+”, “-“ for the signal and “GS” for the braid).
NOTE 3
Attach the 120 (Ohm) 1/4W resistors between the "+" and "-" terminals of the interface and the last controller in each
branch of the network.
NOTE 4
Maximum settable speed 57600 baud. Higher speeds are envisaged for local connection to FREE Studio Device and tests.
ETH
The Ethernet c
The connection allows:
connection of different controllers and/or applications exchanging variables and/or parameters (netw
connection of a supervision system using Modbus TCP/IP protocol
connection of an IEC 61131-3 Free Studio development system
NOTE: The Ethernet
of the input and output channels.
RS-485 NETWORK
e extended and the number of devices for each channel increased using appropriate repeater modules.
onnection allows the FREE PANEL to communicate on an Ethernet network using TCP/IP protocol.
connector shield is internally connected to the earth of the instrument and therefore to the reference
2
conductors, plus braiding (ideally Belden cable model 8762 with
connected straight to the controller.
ork).
FREE Panel
7/38
3.2 Wiring diagrams
FREE EVOLUTION
EVD ● EVC
CAN: max distance depending on baud rate
R TERM
R TERM
POWER
CAN
GS H L POWER
CAN
AI1
NTC Sensor Built-in
OUT
Ethernet
RS485
GS - +
RS485
AI1
EVP3300/C
WARNING
WHILE CABLING
Remote
RS485
Probes
+-GS
AI2 AI3 G
RS485CAN
EVP3300/C
RTERM
CAN
GS H L
24 Va/c
48 Vc
POWER
10m
POWER : max distance
Remote Probes
AI3 G
+12V External
Power Supply
example of
Transducer
Digital
input
NTC
AI2G
AI2G
Built-in Probe
RS485
R TERM
GS - +
RS485
FREE EVOLUTION
EVD ● EVC
EVP3500/C/RH
CAN: max distance depending on baud rate
CAN
R TERM
GS H L POWER
CAN
POWER
OUT
WARNING
WHILE CABLING
Remote
Probes
AI2 AI3 G
Ethernet
RS485
+-GS
RS485CAN
RTERM
GS H L
EVP3500/C/RH
AI1
NTC Sensor Built-in
AI1
AI4
RH Sensor Built-in
AI4
Built-in Probes
Label Description
POWER
CAN
GS H L
24Va/c - 48Vc
suppl y
Isolated CAN seri
GS ground serial isolated
from G
Isolated RS485 se
GS ground serial isolated
from G
rial
Ethernet ETHERNET serial
Built-in AI1 NTC Sensor On-board NTC sensor
AI2 Remote Probes
G
AI3 Remote Probes
G
NTC, D.I. remote
Ground GND
4...20mA/0-10V/0-5V
Ground GND
Built-in AI4 RH Sensor On-board RH% sensor
CAN
AI2AI3
10m
POWER : max distance
24 Va/c
48 Vc
POWER
Remote Probe
AI2G
Digital
input
AI2G
NTC
AI2
Notes
Pin POWER Vout on EVD/EVC
Max. distance 10m EVPEVD/EVC
R TERM termination resistors
for CAN
Apply 120 Ohm terminal
resistors
Probe not included
EVP3300/C
Probe not included
12V External power supplyEVP3500/C/RH
FREE Panel
8/38
3.3 Analogue inputs
Inputs can be configured as specified in the table below.
Parameter Description
Cfg_AI1
Cfg_AI2
Cfg_AI3
The temperature and humidity measurement, as well as the corresponding precisions and tolerances, refer to the
application point of the probes inside the instruments.
If these same measurements are to be referred to air conditions outside of the instrument, e.g. ambient measurements,
account must be taken of offset (differential) parameters th
instrument itself.
The differentials e.g. Calibration parameters th
for on-board (built-in) sensors, 'compensation' parameters are
Factory values
for these
offsets assume
a typical
installation with wall mounted backplate in a non-ventilated environment and with the display
these conditions the following calibration values are obtained:
Compensation_AI1 = -12.0 °C
Compensation_AI4 = -10.5 °C
If the usage conditions require the backlight to be mainly ON, the values must be modified as follows:
Compensation_AI1 = -15.0 °C
Compensation_AI4 = -13.0 °C
For other mounting conditions, it is advisable to carry out calibration during installation, checking the temperature and
relative humidity differences between the external air and the internal probes and if necessary correcting the parameters
Com
In any case it is possible to achieve a precision of +- 1°C on the temperature measurement and +- 3%RH on the relative
humidity measurement.
Parameter RangeDescription
FullScaleMin_AI3 -9999…+9999 Analogue input AI3 start of scale value
FullScaleMax_AI3 -9999…+9999 Analogue input AI3 full scale value
Internal compensation AI1
difference between external air
temperature and measurement
Internal compensation AI4
difference between external
temperature and T measurement
read by RH sensor AI4 (this
temperature is used to calculate
the relative humidity based on
0 1 2 3 4 5
NTC
probe
(NK103)
NTC
probe
(NK103)
- - -
at can be set are
read by NTC sensor AI1
psychrometric charts)
Probe
configured
as voltagefree digital
input
Probe
configured
as voltagefree digital
input
at depend on the installation and usage conditions of the
also available
Values
NTC
probe
(103AT-2)
NTC
probe
(103AT-2)
Unit of Measure range
Unit of Measure range
°C/10 or °F/10 -1000 ... 1000
°C/10 or °F/10 -1000 ... 1000
- - -
- - -
4-20
mA
0-10
V
backlighting mainly OFF. In
0-5 V
-1000 ... 1000
FREE Panel
9/38
3.4 Connections
3.4.1 Example: RS485 connection (Field)
1 FREE Panel EVP
Max 127 FREE Evolution EVE expansion modules connected in RS485
oE
VP is in Modbus RTU Master mode
oEVEs are in Modbus RTU Slave mode
485 GS
485 -
485 +
Switch/Router
Ethernet
FREE Studio / Supervisor
POWER IN
EVP
24Va/c
CAN GS
CAN H
CAN L
48Va
POWER IN
<IMG INFO>
3.4.2 CAN connection example (Field)
1 FREE Panel EVP
Max 12 FREE Evolution EVE expansion modules connected in CAN
EVE
1
485 GS
485 -
485 +
max 127
EVE
127
max 12
24Va/c
48Va
EVP
EVE
EVE
FREE Panel
10/38
3.4.3 Example: RS485 connection with FREE Smart network
1 FREE Panel EVP
Max 127 FREE Evolution EVD/EVC or FREE Smart or Eliwell and/or third-party instruments equipped with
RS485 serial
CAN n
VP is in Modbus RTU Master mode
o E
o All devices equipped with RS485 are in
modules)
etwork – see CAN connection example
Modbus RTU Slave mode (including the FREE Evolution
FREE Panel
11/38
3.4.4 CANopen network connection example
1 FREE Panel EVP
Max 10 FREE Evolution EVD/EVC
CAN n
etwork – see CAN connection example (Field)
HMI menu
EVP can be e
In this case EVP is programmed with the network menu, which can re
quipped with its own menu (named Network menu)
ad variables present in the Evolution controller
network
EVP can o
perate from the terminal of the individual controllers and download up to 10 remote menus from the respective
Evolution controllers
In this case the remote menu allows 'local' navigation of the individual Evolution controller
PLC
The variables of the various controllers are shared (bound together)
A PLC present on EVP can
use variables present in the network and share its own variables with other PLCs present on the
respective Evolution controllers
EVP
24Va/c
48Va
EVD
1
CAN GS
CAN H
CAN L
POWER OUT
POWER
CAN
POWER
Binding
CAN GS
CAN H
CAN L
485 GS
485 -
485 +
max 10
EVC
2
EVC
10
485 GS
485 -
485 +
EVE 1
485 GS
485 -
485 +
EVE 127
FREE Panel
12/38
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