USER MANUAL
Longo programmable controller
LPC-2.P02
Temperature Control panel
Version 2
SMARTEH d.o.o. / Poljubinj 114 / 5220 Tolmin / Slovenia / Tel.: +386(0) 388 44 00 / e-mail: info@smarteh.si / www.smarteh.si
Longo programmable controller LPC-2.P02
Written by SMARTEH d.o.o.
Copyright © 2012, SMARTEH d.o.o.
User manual
Document Version: 002
July 1, 2012
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Longo programmable controller LPC-2.P02
STANDARDS AND PROVISIONS: Standards, recommendations,
regulations and provisions of the country in which the devices will
operate, must be considered while planning and setting up electrical
devices. Work on 100 .. 240 V AC network is allowed for authorized
personnel only.
DANGER WARNINGS: Devices or modules must be protected from
moisture, dirt and damage during transport, storing and operation.
WARRANTY CONDITIONS: For all modules LONGO LPC-2 – if no
modifications are performed upon and are correctly connected by
authorized personnel – in consideration of maximum allowed
connecting power, warranty of 24 months is valid from the date of
sale to the end buyer, but not more than 36 months after delivery
from Smarteh. In case of claims within warranty time, which are based
on material malfunctions the producer offers free replacement. The
method of return of malfunctioned module, together with description,
can be arranged with our authorized representative. Warranty does
not include damage due to transport or because of unconsidered
corresponding regulations of the country, where the module is
installed.
This device must be connected properly by the provided connection
scheme in this manual. Misconnections may result in device damage,
fire or personal injury.
Hazardous voltage in the device can cause electric shock and may
result in personal injury or death.
NEVER SERVICE THIS PRODUCT YOURSELF!
This device must not be installed in the systems critical for life (e.g.
medical devices, aircrafts, etc.).
If the device is used in a manner not specified by the manufacturer,
the degree of protection provided by the equipment may be impaired.
Waste electrical and electronic equipment (WEEE) must be collected
separately!
LONGO LPC-2 complies to the following standards:
• EMC: EN 61000-6-3:2007 + A1:2011, EN 61000-6-1:2007, EN 61000-
3-2:2006 + A1:2009 + A2: 2009, EN 61000-3-3:2013
• LVD: IEC 61010-1:2010 (3
rd
Ed.), IEC 61010-2-201:2013 (1st Ed.)
Smarteh d.o.o. operates a policy of continuous development.
Therefore we reserve the right to make changes and improvements to
any of the products described in this manual without any prior notice.
MANUFACTURER:
SMARTEH d.o.o.
Poljubinj 114
5220 Tolmin
Slovenia
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Longo programmable controller LPC-2.P02
Longo programmable controller LPC-2.P02
1 DESCRIPTION...................................................................................1
2 FEATURES.......................................................................................3
3 INSTALLATION..................................................................................4
3.1 Connection scheme....................................................................4
3.2 Mounting instructions.................................................................6
3.3 Module labeling........................................................................7
4 REGULATION DIAGRAM........................................................................8
5 TECHNICAL SPECIFICATIONS.................................................................9
6 PROGRAMMERS GUIDE.......................................................................10
CHANGES ........................................................................................13
NOTES............................................................................................14
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Longo programmable controller LPC-2.P02
1 DESCRIPTION
LPC-2.P02 control panel special module is used for room temperature regulation.
Controller is equipped with temperature sensor, light intensity sensor and two push buttons:
“WARMER - ▲” and “COOLER - ▼”. To increase temperature set point “WARMER” push button is
used and to decrease “COOLER” push button is used. Temperature set point command or controller
switched off is represented with LED bar-graphs (refer to the Table 3 ). Light intensity sensor is
primary used for LED bar-graph intensity control, so LEDs do not disturb customer during the night if
desired.
LPC-2.P02 has many integrated settings and functions which allows adaptation to required system
and regulation diagram. Settings can be done and functions can be enabled or disabled using LPC
Manager software.
Maximum and minimum temperature set point range can be set to scale temperature set point.
Default range is between 18 °C and 24 °C.
If economic function is set, controller will start cooling when room temperature will raise above
max. temperature set point and stop when temperature will drop 1 °C below max. temperature set
point. On the other hand, when room temperature will fall below min. temperature set point
controller will start heating and stop when temperature will raise 1 °C above min. temperature set
point.
When four pipe (default) system is selected, controller will activate hot command when heating and
cool command when cooling is required. In case of two pipe system selection, hot command is
always activated when heating or cooling is required (depends on heating or cooling mode
selection). For example that two pipe system, cooling mode is selected and room temperature is
higher than temperature set point on the control panel, controller will activate cooling with hot
command (cool command is off if heating or cooling is required).
In case that balcony door and/or window function is enabled and door and/or window contact is
opened, valves for heating or cooling will be closed.
Frost protection function activates heat command when room temperature measured by the panel
drops below 5 °C. This function has priority over all control panel integrated functions.
LPC-2.P02 control panel is possible to switch off using off command is set from LPC Manager
software. In this case cool, heat commands are switched off. Cool and heat commands are also
switched off when temperature measured by the panel is inside dead band (default = 0.5 °C)
temperature values.
Control panel PI regulator output variable range is 0 to 10000. Values from 4999 down to 0
represents cooling and vales from 5000 up to 10000 represents heating.
Example: If proportional – P parameter (default = 25) is set to 1 and difference between measured
temperature and temperature set point is +1 °C, the control panel regulator output value will be
5100. On the other hand if the difference is -1 °C, the control panel regulator output value will be
4900.
If integral – I parameter (default = 5) is set to 1 and difference between measured temperature and
temperature set point is +1 °C, the control panel regulator output will increase every second by 100.
On the other hand if the difference is -1 °C, the control panel regulator output will decrease every
second by 100.
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Longo programmable controller LPC-2.P02
LPC-2.P02 is connected to the main module RS-485 port using interconnection cable (e.g. SIC4-7)
which must be ordered together with LPC-2.P02 special module. When more modules (e.g. LPC-
2.ID1, LPC-2.ID2, LPC-2.P01 or up to four LPC-2.P02) are connected to main module, splitter (e.g.
SPL-2) is also required (refer to the Figure 2).
LPC-2.P02 module RS485 address (0..3) is selected through two switches on the back side of the
module (refer to the Table 4).
NOTE: For proper system configuration and data allocation please refer to LPC Composer software
help menu.
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Longo programmable controller LPC-2.P02
2 FEATURES
Figure 1: LPC-2.P02 special module.
Table 1: Technical data
Temperature measurement (room temperature)
2 push buttons for temperature set point
18 LED bar-graph for temperature set point
Light intensity measurement
LED intensity control
Economic function
Two / four pipe heating cooling system supported
Balcony door and window function
Frost protection function
Power LED
Internal fault LED
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Longo programmable controller LPC-2.P02
3 INSTALLATION
3.1 Connection scheme
Figure 2: Connection scheme
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Longo programmable controller LPC-2.P02
Table 2: K1
K1.1 GND Ground
K1.2 9 .. 24 V DC Power supply input
K1.3 Standard RS-485 A Data receive/send line A
K1.4 Standard RS-485 B Data receive/send line B
Table 3: LEDs & Buttons
Power LED (on the upper side of
the module)
Green LED: indicates
power supply status
On: power supply OK
Off: power supply missing or
power off
Internal fault LED (on the upper
side of the module)
Red LED: indicates
communication state
On: RS-485 communication fault
Off: RS-485 communication OK
Temperature set point
LED bar-graph
Green LEDs: indicates
actual temperature set
point between min.
and max. Temperature
set point range
On: represents actual set point
WARMER
Push button: set point
increase command
Set point increased by one step
when pressed
1
COOLER
Push button: set point
decrease command
Set point decreased by one step
when pressed
1
Table 4: S1
RS-485 ADDRESS Switch 1 Switch 2
0 OFF OFF
1 OFF ON
2 ON OFF
3 ON ON
1 Each step means 1/12 of pre-setted temperature set point range.
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Longo programmable controller LPC-2.P02
3.2 Mounting instructions
Figure 3: Housing dimensions
Dimensions in milimeters.
All connections, module attachments and assembling must be done
while module is not connected to the main power supply.
The LPC-2.P02 module should be positioned on the wall inside the
room. It is advised to avoid direct sunlight or position near
heating/cooling source object. Round flush-mounting box (e.g. Gewiss
GW 24232), Φ60 mm is recommended for installation. A box must be
installed with screw holes in the horizontal position!
Mounting instructions:
1. Mount LPC-2.P02 module back plate to the provided leveled place on the wall.
2. Fasten 2 screws (DIN 7981 or similar, Φ3 mm, max. head height 3 mm) to fix LPC-2.P01
module to its place.
3. Connect interconnection cable to the interconnection connector K1. Max. allowed tractive
force is 30 N.
4. Set the correct RS-485 address (S1 switch) for LPC-2.P02 (refer to the Table 4).
5. Power (PWR) green LED should switch on according to the Table 5.
6. Mount LPC-2.P02 module front plate to the back plate.
7. Fasten the screw in the bottom carefully (not too strong), to fix the front plate to the back
plate.
NOTE: LPC-2 main module should be powered separately from other electrical appliance connected
to LPC-2 system. Signal wires must be installed separately from power and high voltage wires in
accordance with general industry electrical installation standard.
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Longo programmable controller LPC-2.P02
3.3 Module labeling
Table 5: Labels
Label 1: Label 2:
Label 1 description:
1. LPC-2.P02 is the full product name.
2. P/N:225P02040001001 is the part number.
• 225 – general code for LPC-2 product family,
• P02 – short product name,
• 08001 – sequence code,
• 08 – year of code opening,
• 001 – derivation code,
• 001 – version code (reserved for future HW and/or SW firmware upgrades).
3. D/C:40/08 is the date code.
• 40 – week and
• 08 – year of production.
Label 2 description:
1. S/N:P02-S9-0800000003 is the serial number.
• P02 – short product name,
• S9 – user code (test procedure, e.g. Smarteh person xxx),
• 0800000003 – year and current stack code,
• 08 – year (last two cyphers),
• 00000003 – current stack number; previous module would have the stack number
00000002 and the next one 00000004.
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LPC-2.P02
P/N:225P0208001001
D/C: 40/08
S/N: P02-S9-0800000003
Longo programmable controller LPC-2.P02
4 REGULATION DIAGRAM
CoolingHeating
Speed I
Speed II
Speed III
On
Space temp. [°C]
0
0
Off
Regulation dead-band
Temp. Set point
Space temp. [°C]
0
Temp. Set point
Space temp. [°C]
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Longo programmable controller LPC-2.P02
5 TECHNICAL SPECIFICATIONS
Table 5: Technical specifications
Power supply 9 .. 24 V from MCU
Interconnection connector type Berg M
Power consumption 60 mA
Temperature measurement accuracy ±1 °C
Dimensions (W x H x D) 110 x 80 x 17 mm
Weight 80 g
Maximum altitude 2000 m
Mounting position vertical
Ambient temperature 0 to 50 °C
Ambient humidity max. 95 %, no condensation
Transport and storage temperature -20 to 60 °C
Protection class IP 30
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Longo programmable controller LPC-2.P02
6 PROGRAMMERS GUIDE
Brief description
LPC-2.P02 control panel module is used for room temperature regulation. This module must be
connected to LPC-2.MC7 module on COM2. The RS485 address for an P01 module can be set from 0
to 3. The address is set through two switches on the back side of the module. It has many integrated
settings and functions which allows adaptation to required system and regulation diagram. Settings
can be done and functions can be enabled or disabled through LPC Manager software.
Variables
There are 22 bytes available for reading and writing from/to P01 module. While whole frame of 26
bytes is transferred at a time, LPC Manager variables described in the table below are accessed
separately.
VBOOL8 (#N)
variable range
Comm. status
0 .. 1
Normal / Economy mode
Local / Remote status
Hot valve status
Cold valve status
System status
Change-over function status
2/4 pipe status
VBOOL8 (#N+1)
variable range
BIT0
0 .. 1
BIT1
BIT2
BIT3
BIT4
BIT5
Enab./Dis. balcony status
Enab./Dis. window status
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Longo programmable controller LPC-2.P02
VBOOL8 (#N+2)
variable range
BIT0
0 .. 1
Normal / Economy command
Local / Remote command
BIT3
BIT4
Start/Stop command
Change-over command
2/4 pipe command
VBOOL8 (#N+3)
variable range
BIT0
0 .. 1
BIT1
BIT2
BIT3
Balcony door status
Window switch status
Enab./Dis. balcony door cmd.
Enab./Dis. window command
VWORD16 (#N+4)
variable range
Max. temperature status [°C/°Fx100] 0 .. 10000
Min. temperature status [°C/°Fx100] 0 .. 10000
P regulation status 0 .. 100
I regulation status 0 .. 100
PI deadband status [°C/°Fx100] 0 .. 10000
WORD6 /
Temperature setpoint [°C/°Fx100] 0 .. 10000
Space temperature [°C/°Fx100] 0 .. 10000
Absolute PI reference 0 .. 10000
Light intensity [%] 0 .. 100
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Longo programmable controller LPC-2.P02
VWORD16 (#N+5)
variable range
Max. temperature setpoint [°C/°Fx100] 0 .. 10000
Min. temperature setpoint [°C/°Fx100] 0 .. 10000
P regulation param. 0 .. 100
I regulation param. 0 .. 100
PI deadband parameter [°C/°Fx100] 0 .. 10000
Min. light intensity param. [%] 0 .. 100
Remote setpoint [°C/°Fx100] 0 .. 10000
Accessing P02 module
Read LPC-2 Programmers guide for details.
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Longo programmable controller LPC-2.P02
CHANGES
The following table describes all the changes to the document.
Date V. Description
1.7.2012 002 CGP General update.
13.2.2009 001 The initial version, issued as LPC-2.P02 module UserManual.
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Longo programmable controller LPC-2.P02
NOTES
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