iSMA CONTROLLI FP-2B-B Bedienungsanleitung

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DMP292en | 1st Issue | 02/2023
FP
User Manual
Flush Panel

FP User Manual
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DMP292en | 1st Issue | 02/2023
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Table of Contents
1 Introduction ............................................................................................................................. 4
1.1 Revision History................................................................................................................................4
2 Safety Rules.............................................................................................................................. 5
3 Technical Specification .......................................................................................................... 6
4 Hardware Specification ......................................................................................................... 7
4.1 Room Panel Version........................................................................................................................7
4.2 Dimensions [mm] ............................................................................................................................7
4.3 Power Supply....................................................................................................................................7
4.3.1 DC Power Connection ..............................................................................................................8
4.3.2 AC Power Connection...............................................................................................................8
4.4 Communication................................................................................................................................8
4.5 RS485 Network Termination.........................................................................................................9
4.6 Restoring Default Setting...............................................................................................................9
5 Main Parameters .................................................................................................................. 11
5.1 Communication Parameters Configuration........................................................................... 11
5.1.1 COUNTER OF RECEIVE MESSAGE (03)............................................................................... 11
5.1.2 COUNTER OF ERROR MESSAGE (05) ................................................................................. 11
5.1.3 COUNTER OF SENT MESSAGE (07)..................................................................................... 11
5.1.4 BAUD RATE (16)....................................................................................................................... 11
5.1.5 STOP BIT (17) ........................................................................................................................... 11
5.1.6 PARITY BIT (19) ........................................................................................................................ 12
5.1.7 RESPONSE DELAY TIME (20) ................................................................................................ 12
5.1.8 PANEL ADDRESS (22)............................................................................................................. 12
5.2 Device Configuration ................................................................................................................... 12
5.2.1 VERSION TYPE (0).................................................................................................................... 12
5.2.2 LIVE TIME (11) .......................................................................................................................... 12
5.2.3 SENSOR TYPE (28) .................................................................................................................. 12
5.2.4 DEVICE ACTION (0) ................................................................................................................. 13
5.2.5 DEVICE CONFIGURATION REGISTER (204) ....................................................................... 13
5.2.6 Room Panel Modes................................................................................................................ 13
5.2.7 LCD Display .............................................................................................................................. 13
5.2.8 LED Signal................................................................................................................................. 14
5.2.9 Keypad....................................................................................................................................... 14
6 Sensor ..................................................................................................................................... 16
6.1 Temperature Sensor.................................................................................................................... 16

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6.1.1 TEMPERATURE SENSOR (300) ............................................................................................. 16
6.1.2 TEMPERATURE_SENSOR_OFFSET (303)............................................................................. 16
6.1.3 TEMPERATURE_CONFIGURATION (315, Bit 0 and Bit 4) ............................................... 16
7 Setpoint................................................................................................................................... 17
7.1 SETPOINT VALUE (1500) ............................................................................................................. 17
7.2 EFFECTIVE SETPOINT (1501) ...................................................................................................... 17
7.3 DEFAULT SETPOINT (1502) ........................................................................................................ 17
7.4 OFFSET SETPOINT (1503) ........................................................................................................... 17
7.5 SETPOINT LOW LIMIT (1504) ..................................................................................................... 17
7.6 SETPOINT HIGH LIMIT (1505) .................................................................................................... 17
7.7 OFFSET RANGE (1506)................................................................................................................. 17
7.8 CONFIGURATION.......................................................................................................................... 18
7.8.1 SETPOINT CONFIGURATION (1512) ................................................................................... 18
7.9 SETTING .......................................................................................................................................... 18
7.9.1 OPERATING MODE (1512).................................................................................................... 18
8 Fan............................................................................................................................................ 20
8.1 FAN CURRENT SPEED (1600) ..................................................................................................... 20
8.2 FAN MODE (1601)......................................................................................................................... 20
8.3 FAN TYPE (1602)............................................................................................................................ 21
8.4 Configuration................................................................................................................................. 21
8.4.1 FAN CONFIGURATION (1613) .............................................................................................. 21
9 Occupancy.............................................................................................................................. 23
9.1 OCCUPANCY CURRENT STATUS (1700) .................................................................................. 23
9.2 OCCUPANCY MODE (1701) ........................................................................................................ 23
9.3 Configuration................................................................................................................................. 24
9.3.1 OCCUPANCY CONFIGURATION (1706).............................................................................. 24
10 Register Adjustable Locally from Room Panel............................................................... 25
10.1 Room Panel Setting...................................................................................................................... 25
10.2 Release FW (rEl)............................................................................................................................. 25
10.3 Modbus address Device (Add) .................................................................................................. 25
10.4 Correction Sensor (tAr) ............................................................................................................... 25
11 List of Modbus Register ...................................................................................................... 26

FP User Manual
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DMP292en | 1st Issue | 02/2023
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1 Introduction
FP is a flush panel with LCD display with four (model FP-4B-x) or two buttons (model
FP-2B-x) in black and white version. The Flush Panel is powered with 24 V AC/DC and has
a built-in RS485 port (Modbus RTU). The use of open communication protocol allows to
connect the panel with any controller, which supports Modbus RTU/ASCII. Connected to
the iSMA controllers, the panel allows to change the basic parameters such as:
temperature setpoint, fan speed, FCU mode, and other.
This user manual outlines Modbus registers available in the FP room panel and describes
their configuration.
1.1 Revision History
Rev. Date Description
1.0 5 October 2022 1st Release
Table 1. Revision history

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2 Safety Rules
Improper wiring of the product can damage it and lead to other hazards. Make sure
that the product has been correctly wired before turning the power on.
Before wiring or removing/mounting the product, make sure to turn the power off.
Failure to do so might cause an electric shock.
Do not touch electrically charged parts such as power terminals. Doing so might cause
an electric shock.
Do not disassemble the product. Doing so might cause an electric shock or faulty
operation.
Use the product only within the operating ranges recommended in the specification
(temperature, humidity, voltage, shock, mounting direction, atmosphere, etc.). Failure
to do so might cause a fire or faulty operation.
Firmly tighten the wires to the terminal. Failure to do so might cause a fire.
Avoid installing the product in close proximity to high-power electrical devices and
cables, inductive loads, and switching devices. Proximity of such objects may cause an
uncontrolled interference, resulting in an instable operation of the product.
Proper arrangement of the power and signal cabling affects the operation of the entire
control system. Avoid laying the power and signal wiring in parallel cable trays. It can
cause interferences in monitored and control signals.
It is recommended to power controllers/modules with AC/DC power suppliers. They
provide better and more stable insulation for devices compared to AC/AC transformer
systems, which transmit disturbances and transient phenomena like surges and bursts
to devices. They also isolate products from inductive phenomena from other
transformers and loads.
Power supply systems for the product should be protected by external devices limiting
overvoltage and effects of lightning discharges.
Avoid powering the product and its controlled/monitored devices, especially high
power and inductive loads, from a single power source. Powering devices from a single
power source causes a risk of introducing disturbances from the loads to the control
devices.
If an AC/AC transformer is used to supply control devices, it is strongly recommended
to use a maximum 100 VA Class 2 transformer to avoid unwanted inductive effects,
which are dangerous for devices.
Long monitoring and control lines may cause loops in connection with the shared
power supply, causing disturbances in the operation of devices, including external
communication. It is recommended to use galvanic separators.
To protect signal and communication lines against external electromagnetic
interferences, use properly grounded shielded cables and ferrite beads.
Switching the digital output relays of large (exceeding specification) inductive loads can
cause interference pulses to the electronics installed inside the product. Therefore, it
is recommended to use external relays/contactors, etc. to switch such loads. The use
of controllers with triac outputs also limits similar overvoltage phenomena.
Many cases of disturbances and overvoltage in control systems are generated by
switched, inductive loads supplied by alternating mains voltage (AC 120/230 V). If they
do not have appropriate built-in noise reduction circuits, it is recommended to use
external circuits such as snubbers, varistors, or protection diodes to limit these effects.

FP User Manual
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3 Technical Specification
Power Supply Voltage 24 V AC/DC ± 20%
Power consumption 0.2 W
Temperature sensor Type 10K NTC @ 25°C (77°F)
Range 0°C to 50°C (32°F to 122°F)
Accuracy ± 0.5°C (± 32.9°F)
Resolution ± 0.1°C (± 32.18°F)
Communication 4-terminal connector 2 for power supply and 2 for the
communication bus
Protocol Modbus RTU Slave
Baud rate 4800, 9600, 19200, 115200
Platform Atmel@AVR@ 8-Bit Microcontroller - RSC
Ingress protection IP rating IP20 for indoor installation
Temperature Storage -40°C to +85°C (-40°F to +185°F)
Operating 0°C to +50°C (32°F to +122°F)
Humidity Relative 5% to 95% RH (without
condensation)
Housing Material Plastic, self extinguishing
Mounting Flush mounting for 503 boxes
Dimensions Width 120 mm / 4.72 in
Length 84 mm / 3.30 in
Height 8 mm / 0.31 in

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4 Hardware Specification
FP is a flush panel (for 503 box) with LCD display with four (model FP-4B-x) or two buttons
(model FP-2B-x) in black and white version. FP is powered with 24 V AC/DC and has a
built-in RS485 port (Modbus RTU).
4.1 Room Panel Version
The FP room panels are available in the following versions:
Product Code Temperatur
e Sensor
Display Buttons Color
Black White
FP-2B-B 2
FP-2B-W 2
FP-4B-B 4
FP-4B-W 4
4.2 Dimensions [mm]
Figure 1. Dimensions
4.3 Power Supply
FP sensor has a 4-terminal connector for power supply and for the communication bus.
It can be powered at 24 V AC or 24 V DC.
Figure 2. Terminal connector

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G0 Fase 1 / V-
G Fase 2 / V+
4.3.1 DC Power Connection
Figure 3. DC power connection diagram
4.3.2 AC Power Connection
Figure 4. AC power connection diagram
4.4 Communication
The communication bus provides for connection to a Modbus Master device (controller).
M+ RS485 +
M- RS485 -

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1.
2.
3.
4.
5.
Figure 5. RS485 Modbus connection diagram
4.5 RS485 Network Termination
Transmission line effects often present a problem for data communication networks.
These problems include reflections and signal attenuation. To eliminate the presence of
reflections of signal from the end of the cable, the cable must be terminated at both ends
with a resistor across the line adequate to its characteristic impedance. Both ends must
be terminated since the propagation is bidirectional. In case of an RS485 twisted pair
cable this termination is typically 120 Ω. Each panel has a built-in termination resistor,
which can be added to the network by setting the DIP-switch no. 2 to the ON position.
The last and first room panels in the network need to have the termination activated.
Figure 6. termination resistor activated
4.6 Restoring Default Setting
This procedure allows to restore the sensor with the factory setting. This operation is
necessary when several settings have been changed and you want to reset them starting
from a certain position.
Figure 7. DIP 1 ON to start with factory setting
Disconnect the FP sensor.
Set DIP 1 to ON.
Power up the FP sensor.
The characters “888” flash on the LCD.
Set DIP 1 to OFF.
The FP sensor loads the default data and restarts with normal operation.

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Note: in step 4 if you no longer want to load the default data, disconnect the FP sensor,
reposition DIP 1 on OFF and power up again.
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