Lindab UltraLink FTCU Manual

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Technical information
LindabUltraLink®Controller
FTCU

2We reserve the right to make changes without prior notice We reserve the right to make changes without prior notice
Introduction
UltraLink®FTCU is a highly accurate flow controller, which measures the flow with
an angled ultrasonic beam which can be calculated and compensated to a very high
accuracy over the whole flow range. The method is very stable over time due to that
it is not sensitive to dirt and the design minimizes the dust accumulation on the flow
sensors.
An increased focus on energy saving has led to ventilation systems requiring low min-
imum flows. The low flows are a problem since they are very difficult to measure and it
is makes it difficult to control the ventilation system.
The new technology of UltraLink®makes it possible to measure lower air flows com-
pared to today’s products while maintaining measurement accuracy. This offers great
advantages for the user in terms of comfort and savings in energy consumption, which
is of great interest.
Content
Introduction .................................................................................................... 2
Overview ........................................................................................................ 3
Description .....................................................................................................3
Planning..........................................................................................................4
Mounting ........................................................................................................6
Connections ................................................................................................... 6
Power supply.................................................................................................. 8
Display............................................................................................................ 9
PIN-code ........................................................................................................ 9
Settings ........................................................................................................ 10
ID-numbers .................................................................................................. 14
Troubleshooting ........................................................................................... 14
Maintenance................................................................................................. 14
Technical data .............................................................................................. 15
Airflows......................................................................................................... 15
Appendix A – Modbus register .................................................................... 16

3
IP42
Status Airflow
m³/h l/s m/s °C % -Actual value
m³/h l/s m/sSetpoint - -
Lindab UltraLink
Controller FTCU
Airflow
IP42
Patented
Status
m³/h
l/s m/s
°C
Mode
We reserve the right to make changes without prior notice
Description
Application
The Controller is suitable for measuring and controlling
air flow and measuring temperature. Communication is
established with analog or digital signals using Modbus.
Design
The Controller consists of a sensor body attached to a
damper body with Lindab Safe gaskets. You are not
allowed to make any changes or adjustment to the
motor or its end-stops!
Two flow sensors are mounted on the sensor body and
connected to a display unit. The display unit is mounted
on top of a shelf on the damper body. The sensor and
damper bodies can rotate relative to each other. This
means that the sensors can be optimally positioned
independently of the desired position of the display and
damper body. Positioning the sensor body correctly after
a disturbance is crucial for the measurement accuracy,
see page 4 for directions on how to mount the Controller
for optimal performance.
For FTCU in dimensions 400 — 630, a flange holds the
damper and sensor bodies together, the flange must be
loosened by unscrewing a nut in order to rotate them. The
nut of the flange on the FTCU dimension 400 is 10 mm
and the nut on the FTCU dimension 500 — 630 is 13 mm.
Note! The flow sensors are placed at a fixed distance
to each other and they shall never be removed and
not used as handles when turning the sensor body.
Overview
Display unit
Status light
CE-mark
IP classification
Air flow direction
Mode button
Display parameters
Damper body
Display unit
Sensor body
Flow sensor
Air flow
direction
RTU
TCP/IP
Flange
Dimension 100 - 315 Dimension 400 - 630
Bluetooth®
logotype
QR code

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Planning
The longer distance to disturbance, i.e. the longer straight duct before the
Controller, the higher the measurement accuracy will be. However this is not
the only factor which affects the accuracy of the measurement. The rotation
of the sensor body and hence the positioning of the first flow sensor ( in the
direction of the air flow) has an impact on the uncertainty of the measure-
ment. It is not recommended to mount the Controller so that the first flow
sensor (*) is placed on an outer radius of a fitting, see table below.
For example: in the case of the bend in the table below, by rotating the
sensor body to position the first sensor according to the first picture (with
the first flow sensor on the inner radius of the bend), the Controller can
be placed at the distance of two duct diameters from the disturbance to
achieve 5 % uncertainty. Positioning the sensor body according to the
second picture (with the first sensor on the outer radius of the bend), the
Controller must be mounted five duct diameters from the disturbance to
achieve the same level of uncertainty.
Never use an UltraLink®on the outlet side of a duct fan. Place it on the inlet side or in worst case use a flow conditioner if
it must be placed on the outlet side.
Disturbance *Placement of first flow sensor
Measurement uncertainty
± % or X l/s depending wich
is the greatest of percentage
or the absolute value for the
specific product size, see
table “Technical data” on
page 15.
a
2-4·Ød >4-5·Ød >5·Ød
Bend
a
Ød
*
Inner radius 5 5 5
Bend
a
Ød
*
Outer radius
(Not recommended) 20 10 5
Bend
a
Ød
*
a
Ød
*
Side 10 5 5

5
We reserve the right to make changes without prior notice
Disturbance *Placement of first flow sensor
Measurement uncertainty
± % or X l/s depending wich
is the greatest of percentage
or the absolute value for the
specific product size, see
table “Technical data” on
page 15.
a
2-4·Ød >4-5·Ød >5·Ød
Reducer
a
Ød
*
Duct diameter
decrease 5 5 5
Reducer
a
Ød
*
Duct diameter increase 10 5 5
T-piece
a
Ød
*
Inner radius 10 5 5
T-piece
a
Ød
*
Outer radius
(Not recommended) 20 10 5
T-piece
a
Ød
*
Side 10 5 5
a
Ød
*

6
24V +B
-A SH
GND
GND
GND
AO1
AO2
AIN MO1
MO2
1234 5 678910 11 12
SCL SDA GND 3V3
1615
14
13
We reserve the right to make changes without prior notice We reserve the right to make changes without prior notice
Mounting
Mount the Controller into the air duct system according to
the mounting instructions for Lindab Safe. Do not use the
flow sensors as handles when you mount the Control-
ler since this may cause damaged and changes in their
positions might influence the measurement accuracy.
Make sure the airflow arrow is pointing in the direction
of the airflow.
Position the damper body so that the display is visible from
some direction. For future connections it is important that
the screws on the lid of the display can be removed.
Note the ID-number of the Controller. The ID can be found
on the label of the box it was delivered in or on the label on
the Controller itself and are the three last numbers of the
serial no.
Rotate the senor body to the correct position according to
the chapter “Planning”, when it is positioned accurately it
should be fixed with screws to the damper body in the same
way as when you connect ducts and fittings. Controllers of
sizes 400 — 630 has a flange which needs to be loosened
by unscrewing a nut. This nut is 10 mm for dimension 400
Connections
Connect the Controller to a remote terminal unit using RS485 or analog terminals. Connections are made in the terminal
board which can be accessed when the lid of the display unit is removed. In the back of the lid there is a picture with a list
of the terminals.
1. 24V, power supply (AC G, DC +) *
2. GND, power supply (AC G0, DC -) *
3. +B, connection for Modbus via RS485
4. -A, connection for Modbus via RS485
5. SH, shield
6. GND, ground (system neutral)
7. AO1, analog output
8. AO2, analog output
9. AIN, analog input
10. MO1, connection for motor
11. MO2, connection for motor
12. GND, ground (system neutral)
13. SCL, not used
14. SDA, not used
15. GND, ground (system neutral)
16. 3V3, not used (in case of biasing)
*) When using AC terminal 1 (G) should have system potential and terminal 2 (G0) should be system neutral.
Recommendations for wiring:
Function Cable type
24 V Supply 2-wire, thickness depending on length and load, max. 1,5 mm²
RS485 2-wire shielded twisted pair, min. 0,1 mm² (LIYCY cable)
Supply the Controller with power from a transformer.
and 13 mm for 500 — 630. By loosening the nut the sensor body can be turned into the desired position. Once this is
achieved, the flange must be fastened by tightening the nut.
To be able to connect cords to the terminal board the rubber cable grommet on the backside of the display unit must be
punctured, preferably using an awl or something pointy to ensure tightness to the environment. When the cords have
been connected they must be strain relieved. The cords can be attached to the shelf by using cable ties that are attached
around cut outs in the shelf.
The display unit and actuator is mounted to enable the Controller to be insulated up to 50 mm.
You must under no circumstances make any holes or connect anything with screws to the sensor body since this will
have an impact on measurement accuracy!

7
BA
+B -A +B -A +B -A
+B
-A
SH SH SH SH
GND
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Digital connection
Connect A on the RTU to -A on the display unit and B to +B. When connecting more than one Controller in series it is
important to keep connecting -A to -A and +B to +B since crossing them will stop Modbus from working. The shield in the
RS485 cable should be connected to ground at the transformer and then continuously connect to ”SH” on all the UltraL-
inks that are powered from that transformer. If more than one transformer is used on the bus, the shield is broken at each
transformer so ”SH” on every product only has connection to ground at the transformer from which its power is supplied.
It is recommended to use RS485 cables with twisted pairs and shield, do not supply power in the same cable unless the
cable is produced for that purpose.
Analog connection
When connecting the Controller using analog signals, it is important to connect the analog out signals on the Controller
(AO1, AO2) to the analog in terminals on the RTU and the analog in signal (AIN) is connected to the analog out terminal on
the RTU. Also make sure to connect the cables to the same analog ground.
Bluetooth®connection
If the product is equipped with Bluetooth (the Bluetooth logotype is printed on the display unit), wireless communication
with the UltraLink can be established. Using a smartphone or tablet with the Lindab UltraLink App, nearby UltraLinks
can be identified. It is then possible to connect to one unit and view information regarding that UltraLink, such as active
measurements and settings.
Mobile app
The app “UltraLink” is available on both Android and iOS, it’s free to download
from Google Play or App store. Like the PC configuration tool, all settings can
be changed via the app. This means all settings can be individually chosen for
the specific building, it is therefore necessary to protect the unit with the PIN
code in the UltraLink menu. For a discription on how this is done, see page 9.
Repeater
If the bus is longer than 300 meters or if there are more than 30 devices, the
system might need an RS485 repeater (FDS-R, see picture to the right) to be
able to communicate in an efficient way.
Biasing
The master on the bus must have biasing on -A and +B. This is more or less standard on BMS-controllers, but if commu-
nication should be established with a conventional computer using a RS485-USB converter, then it is important to make
sure that the converter has a bias circuit. If communication fails and you are uncertain about existance of biasing, you can
add biasing resistors in the screw terminal on one of the UltraLinks to see if this is the cause of the communication failure.
Use 500 - 1000 Ω resistors and connect one resis-
tor from -A to GND and one from +B to the 3V3
terminal. It is also recommendedto add a 120 Ω
termination resistor between -A and +B on the last
UltraLink on the bus to avoid signal reflections.

8We reserve the right to make changes without prior notice We reserve the right to make changes without prior notice
0,7
0,6
0,8
0,9
1
1,1
1,2
1,3
1,4
1,5
Wire cross section Area [ mm2 ]
0
0,1
0,2
0,3
0,4
0,5
0,20
0,15
0,100,050
Copper Resistance [ Ω/m ]
Power supply
Transformer sizing
The needed size of 24 V AC transformer(s) can be defined
by adding up the dimensioning power consumption [VA]
of all the components. The transformer power must
exceed this. Use only safety isolating transformers. Cal-
culation of the current demand I:
I = (P1+P2+…+Pn) / U [A]
where:
Pnis the dimensioned power consumption for each com-
ponent [VA] U is the voltage (24) [V].
If the current demand I exceeds 6 A ( which corresponds
to approximately 150 VA for a 24 V AC transformer ), it is
necessary to use more transformers to prevent overheat-
ing.
Supply cable sizing
The wire size of the supply cable can be determined by
calculating the resistance per meter R. The calculation
presupposes that a voltage drop of e.g. 2 V is accepted in
the supply cable:
R(per m) = Udrop / (I × L) [Ω/m]
where:
Udrop is the accepted voltage drop (2 V) in the cable [V] I is
the current [A]
L is the longest distance of supply cables from trans-
former to a component [m]
Power consumption
The power consumption for dimensioning supply cables
for an UltraLink®Controller is dependant on the size of
the product. On page 15 in the table: “Technical data”, the
power consumptions of different products are listed.
It is not recommended to use a transformer with a
higher capacity than 150 VA!
Example:
Udrop = 2 V, I = 4 A, L = 20 m
R (per m) = 2V / (4A × 20 m) = 0,025 Ω/m
In the diagram a Wire cross section Area of 0,7 mm² can
be read.
Wire cross section area as a function of resistance per m for copper wire

9
IP42
Status Airflow
m³/h l/s m/s °C % -Actual value
m³/h l/s m/sSetpoint - -
Lindab UltraLink
Controller FTCU
We reserve the right to make changes without prior notice
Display
The display can show useful information both with the
diode flashing in green (status light) and with parameters
in the LCD. If the product is equipped with Bluetooth, then
the diode will also flash in blue every three seconds. If
a device has been connected to the UltraLink via Blue-
tooth, then the diode will flash in blue every other second.
By short pressing the mode button you can change the
displayed parameter. If the button is pressed for more
than 5 seconds (long press) then the configuration menu
will be visible. The arrow at the bottom of the display
indicates the current parameter type and unit.
For a detailed description on configurating the UltraLink
using the mode button on the display, see page 13.
Parameter structure
The information menu is visible in the display as soon as the device is powered and by default the air flow in m³/h is
shown.
You can toggle between the different parameters in the menu by short pressing the Mode button. The arrows at the
bottom of the menu indicates if the visible value is an actual reading or a set point and also what unit the current value
has (if any). The following list of parameters are available;
• Actual air flow (m³/h)
• Actual air flow (l/s)
• Actual air velocity (m/s)
• Actual Temperature (°C)
• Damper position (%, 100% = fully open)
• Current set point (m³/h)
• Current set point (l/s)
• Current set point (m/s)
• Controller’s ID number
• Flow rate set point max *)
• Flow rate set point min *)
*) Only visible if analog control (register 4×071=1) and if the control variable is flow rate (4×070=2). If max and min values
are the same the product is working as a constant flow regulator with set point according to that value.
Status light
The green status light indicates:
Mode Function
No light Controller is turned off
Slow flashing light Motor is regulating
Fast flashing light A problem has occurred, error code will be visible in display
Constant light Controller is turned on and functioning as normal
PIN code
UltraLink with Bluetooth must be protected againt unauthorized access by PIN-code, which has to be stated before
changes to the settings can be made. It is important to choose and change the code that the product is delivered with
(1111), to ensure that no unauthorized changes are made. The Bluetooth radio can be disabled by setting register 4×007
to 0.
The code can be changed in three ways:
• using the configuration menu in the display, see page 13 for instructions.
• connecting a PC via Modbus and using the “Configuration Tool” software.
• connect a Bluetooth device and use the “UltraLink” application.

10 We reserve the right to make changes without prior notice We reserve the right to make changes without prior notice
Settings
All available settings are presented in the appendix. The settings can be changed via the RS485 bus and can be done
from any device and configuration that can communicate using Modbus, but preferably the UltraLink®Configuration tool
(See separate documentation). If the products is equipped with Bluetooth the settings can be changed with an app, which
can downloaded from Google Play or App Store. Instructions for the most common settings are described below. For
more register details see appendix.
Digital communication settings
Registers 4x001-4x009 are used to configure communication settings. When initializing contact for the first time the
default settings will be active;
Modbus id: Last three digits in the serial number (also visible in the display if the product has power)
Baud rate: 19200
Parity: Odd
Stop bits: 1
After updating any of the communication parameters the product needs to be power cycled for the changes to take
effect.
If communication fails with the default parameters selected in the UltraLink®configuration tool, then the communication
settings on the Controller might have been changed previously. Verify the settings in the display (See page 9 for instruc-
tions)
Control settings
The Controller can be read and controlled in several different ways. Primarily you need to set the following registers to
determine what variable you will use to control the device and if the control signal comes analog or via bus;
1. Configure register 4×070 for what kind of set point you will control the device with (0 = no control, 1 = damper position, 2
= flow rate)
2. Configure register 4×071 for either bus or analog control of set points (0 = bus, 1 = analog)
3. During operation set points can be applied using registers 4x302 (damper position) and 4 × 314 (flow) depending on the
setting from point 1 above. The set point for damper position has predefined limits 0–100%, where 0% means fully closed
and 100% means fully open. The limits for flow has default values according to the table below but can be modified using
registers 4 × 315 and 4 × 316. The default maximum values corresponds to the upper limit where accuracy is guaranteed.
The value can be set higher, but this may cause worse accuracy of the readings.
Default values for the relevant registers are according to the table below. (Default values for flow max corresponds to 15
m/s).
Size Ø
[mm]
4×314
Flow Set Point
[l/s]
4×315
Flow Set Point
Minimum
[l/s]
4×316
Flow Set Point
Maximum
[l/s]
4×070
Damper
Regulation
Conf.
4×071
Damper
Input
Conf.
100 24 0118
2 (Flow) 1 (Analog)
125 37 0184
160 60 0302
200 94 0471
250 147 0736
315 234 01169
400 377 01885
500 589 02945
630 935 04676
PLEASE LOOK IN THE APPENDED MODBUS REGISTER FOR INSTRUCTIONS ON HOW TO CHANGE REGISTER

11
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VALUES. SOME VALUES HAS SCALE FACTORS AND SOME VALUES OCCUPY TWO REGISTERS!
Analog in settings
If using analog communication (4×071=1) you need to specify the operational voltage range and also corresponding max
and min values;
1. Configure register 4×500 for analog in level configuration ( (0) 0-10V, (1) 10-0V, (2) 2-10V, (3) 10-2V) if you are using analog
control of the set points. (If set points are controlled via bus this point can be ignored)
2. Configure registers 4×501–504 with relevant data for max and min levels for the voltage range selected in previous step.
Register 4×501–502 are used if the device is controlled with angle (4×070=1) and registers 4×503–504 are used if the devi-
ce is controlled using flow (4×070=2). If set points are controlled via bus this point can be ignored.
Default values for the relevant registers are according to the table below. (Default values for flow max corresponds to 7
m/s).
Size Ø
[mm]
4x070
Damper
Regulation
Conf.
4x500
Analog In
Level
config
4x501
Angle Min
[%] *)
4x502
Angle Max
[%] *)
4x503
Flow Min
[l/s]
4x504
Flow Max
[l/s]
100
2 (Flow) 2 (2-10V )
0100 055
125 0100 086
160 0100 0141
200 0100 0220
250 0100 0344
315 0100 0546
400 0100 0880
500 0100 01374
630 0100 02182
*) 0% means fully closed damper position and 100% means fully open damper position.
PLEASE LOOK IN THE APPENDED MODBUS REGISTER FOR INSTRUCTIONS ON HOW TO CHANGE REGISTER
VALUES. SOME VALUES HAS SCALE FACTORS AND SOME VALUES OCCUPY TWO REGISTERS!
Analog out settings
Analog out is always active but you need to specify what kind of data you want to read on the two ports;
1. Configure registers 4 × 401 and 4 × 431 for the variables you want to read on the analog out terminals (0 = Flow, 1 = Tempe-
rature, 2 = Damper position).
2. Configure registers 4
× 400 and 4 × 430 for analog out level configuration ( (0) 0-10V, (1) 10-0V, (2) 2-10V, (3) 10-2V)
3. Configure registers 4
× 401–409 and 4 × 431–439 with relevant data for max and min levels for the voltage range selected in
step 2. You only need to configure the max and min values corresponding to the variable selected in step 1.
Size Ø
[mm]
4x400
Level
Conf.
4x401
Unit
Conf.
4x402
Temp Min
[°C]
4x403
Temp Max
[°C]
4x404
Flow Min
[l/s]
4x406
Flow Max
[l/s]
4x408
Angle Min
[%] *)
4x409
Angle Max
[%] *)
100
2 (2-10V ) 0 (Flow)
050 055 0100
125 050 086 0100
160 050 0141 0100
200 050 0220 0100
250 050 0344 0100
315 050 0546 0100
400 050 0880 0100
500 050 01374 0100
630 050 02182 0100
*) 0% means fully closed damper position and 100% means fully open damper position.

12 We reserve the right to make changes without prior notice We reserve the right to make changes without prior notice
Default values for the relevant registers related to “Analog Out 2” are according to the table below (Default values for flow
max corresponds to 7 m/s).
Size Ø
[mm]
4x430
Level
Config
4x431
Unit
Conf.
4x432
Temp Min
[°C]
4x433
Temp Max
[°C]
4x434
Flow Min
[l/s]
4x436
Flow Max
[l/s]
4x438
Angle Min
[%] *)
4x439
Angle Max
[%] *)
100
2 (2-10V ) 2 (Angle)
050 055 0100
125 050 086 0100
160 050 0141 0100
200 050 0220 0100
250 050 0344 0100
315 050 0546 0100
400 050 0880 0100
500 050 01374 0100
630 050 02182 0100
*) 0% means fully closed damper position and 100% means fully open damper position.
PLEASE LOOK IN THE APPENDED MODBUS REGISTER FOR INSTRUCTIONS ON HOW TO CHANGE REGISTER
VALUES. SOME VALUES HAS SCALE FACTORS AND SOME VALUES OCCUPY TWO REGISTERS!
Settings for override
The controller has two different override functions that can be initiated either over the bus or with analog input (only in
case of input voltage range of 2-10 V or 10-2 V). If controlled via bus (register 4x071 = 0), then the damper can be forced
(register 4x151) to fully open or fully closed position, or the flow rate setpoint can be set to minimum or maximum flow rate
setpoint (according to registers 4x315 and 4x316, respectively). If the unit is controlled with analog input (4x071 = 1), then
the damper can be forced to fully closed position (regardless the settings in register 4x501, which represents the mini-
mum angle (fully closed) of the damper in normal mode).
Override function by bus:
1. Normal mode, no override (register 4x151 = 0).
2. Go to maximum flow rate setpoint (register 4x151 = 1).
3. Go to minimum flow rate setpoint (register 4x151 = 2).
4. Go to fully open damper position (register 4x151 = 3).
5. Go to fully closed damper position (register 4x151 = 4).
If an override is initiated, it can be restored either manually by setting register 4x151 to 0, or automatically after the prede-
fined override timeout in register 4x150.
Analog override function:
In analog mode (4x071 = 1), the override function can only be called if input voltage range is set to 2-10 V or 10-2 V (4x500
= 2 or 3, respectively) and the controlled variable is flow rate (4x070 = 2). If these settings are active, the override function
is set as follows:
1. Normal mode, no override (input voltage ≥ 2 V).
2. Go to fully closed damper position (if input voltage is lower than the value defined in register 4x511).

13
We reserve the right to make changes without prior notice
Configuration menu structure
The configuration menu is activated by long pressing the button (5 sec). After long pressing the button a new menu will
appear with three different options;
• Con.Set (Connection settings)
• AIn.Set (Analog In settings)
• Cancel (Cancel and return to information menu)
You can toggle between the three options by short pressing the button. Select the option you want and long press to
proceed down in the menu structure.
Under Con.Set (connection settings) you can find the following options (toggle with short press, select with long press);
Menu tag Description Options Description
• Pr. Protocol Pr.PAS
Pr.Mod
Pascal protocol
Modbus
• b. Baud rate b.9600
b.19200
b.38400
b.76800
Baud rate 9600
Baud rate 19200
Baud rate 38400
Baud rate 76800
• bit. Stop bits bit.1
bit.2
1 stop bits
2 stop bits
• P. Parity P. o d d
P.e ve n
P.none
Odd parity
Even parity
Parity none
• Id. Modbus Id Id.x Modbus id (x = value) *)
• PLA. PLA address for Pascal PLA.x PLA address (x = value) *)
• ELA. ELA address for Pascal ELA.x ELA address (x = value) *)
• Pi. Pin-code Pi.xxxx D ef au lt: x x x x = 1111
• Cnt. Control by bus Cnt.bus
Cnt.AIn
Control by bus
Control by analog in
• Store Store changes Strores changes on long press
• Cancel Cancel Cancel and ignore changes on long press
Under AIn.Set (analog in settings) you can find the following options (toggle with short press, select with long press).
Menu tag Description Options Description
• qH. Max flow (l/s) qH.x Maximum air flow (x = value) *)
• qL. Min flow (l/s) qL.x Minimum air flow (x = value) *)
• r. Voltage range r.0-10
r.10 - 0
r.2-10
r.10 - 2
Voltage range 0-10V
Voltage range 10-0V
Voltage range 2-10V
Voltage range 10-2V
• Store Store changes Stores changes on long press
• Cancel Cancel Cancel and ignore changes on long press
*) To change the value you need to long press until a blinking cursor appears under the first single number in the current
value. After that you short press to toggle to the desired number, then you long press to move the blinking cursor to the
next single number in the current value. Proceed until the new value has been set and long press to continue.

14
IP42
Status Airflow
m³/h
Lindab UltraLink
Controller
l/s m/s °C % -Actual value
m³/h l/s m/sSetpoint - -
Controller FTCU Ø125
Serial no. 132600052
UltraLink
Lindab®
We reserve the right to make changes without prior notice We reserve the right to make changes without prior notice
ID-numbers
The Controllers have from production been given an
ID-number between 1 to 239. The given ID-number can
be seen on the label on the outside of the box the Con-
troller is delivered in, the ID-number is the same as the
three last digits in the serial number.
If two or more Modbus devices have the same ID-number
it is necessary to apply changes so that each of them get
an unique ID-number to allow communication.
To change the Modbus ID register of an UltraLink®all
other devices with the same ID must be disconnected.
It is more efficient to change the ID in the display under
“Con.Set” (See page 13 for more info). The register for
Modbus ID is a holding register with address 4x001.
Error code Problem Comment
Err001 Motor not working correctly Check motor cables and connections
Err002 Angle sensor not working correctly Try to recalibrate using UltraLink®Configuration tool
Err003 Flow set point not reached Check if the AHU supplying enough air
Err004 Problems with flow measurement Might be caused by:
• something blocking the flow sensors
• an electronic fault
• the flow sensors are not connected properly into the display
unit
• the sensor body is flawed
Err032 Factory data is corrupted Reset to factory defaults using UltraLink®configuration tool
Maintenance
Normally does not require any maintenance.
The visible parts of the device can be wiped with a damp cloth.
If communication fails, please verify the following before contacting support:
• Check settings for Baud rate, parity and stop bit and make sure the master uses the same settings as the UltraLinks.
• -A and +B are continuously connected between all the products without any mixups of -A and +B. Star connection is
not allowed.
• The cables for power supply are connected identical on all products and transformers connecting G to G (24V) and
G0 to G0 (GND).
• The shield is continuous along the bus and grounded only at the transformer and the last UltraLink on the bus.
• There are not more than 30 devices on the bus. (Try a repeater if you have more than 30 devices.)
• The total length of the bus is maximum 300 m. (Try with a repeater if you have more than 300 m bus cable.)
• Try to establish communication with a PC using Control Center and a biased RS485-USB converter.
Troubleshooting
If a problem occurs the status light will start to flash and an error code
will be displayed.

15
We reserve the right to make changes without prior notice
Technical data
Power supply DC 24 (18—32) V
AC 24 (24—28) V
Cable Max outer diameter 7mm
Power consumption Dim. 100 - 315 2 W
Dim. 400 - 630 3 W
Power consumption For wiring, dim. 100 - 315 3 VA
For wiring, dim. 400 - 630 5 VA
IP class 42
Tightness class to the environment EN 12237 D
Tightness class, past a closed damper EN 1751 4
Pressure class, closed damper Dim. 100 - 315 C (max 5000 Pa)
Dim. 400 - 630 B (max 2500 Pa)
Storage temperature range -30 to +50 °C
Maximum ambient moisture 95 % RH
Connection RS485 standard or analog
Cable RS485 standard cable, 2-wire shielded
twisted pair, min. 0,1 mm² (LIYCY cable)
Protocol Modbus
Output Flow
Flow
Velocity
Temperature
Damper position (0% fully closed, 100%
fully open)
m³/h
l/s
m/s
°C
%
Velocity range For guaranteed measurement uncertainty 0,2 — 15,0 m/s
Measurement uncertainty, flow
(min. 5 diamters of straight duct before the
UltraLink.)
Depending on which is the greatest of the
percentage or the absolute value for the
specific product size.
±5
Dim. 100 = ±1,00
Dim. 125 = ±1,25
Dim. 160 = ±1,60
Dim. 200 = ±2,00
Dim. 250 = ±2,50
Dim. 315 = ±3,15
Dim. 400 = ±4,00
Dim. 500 = ±5,00
Dim. 630 = ±6,30
% or
l/s
l/s
l/s
l/s
l/s
l/s
l/s
l/s
l/s
Temperature range -10 to +50 °C
Measurement uncertainty, temperature ±1 °C
Screws on lid of display unit TX10 4pcs
Bluetooth signal Frequency 2402 — 2480 MHz
Output power -40 to +9 dB
Airflows
Ø [mm]
0,2 m/s 7,0 m/s 15,0 m/s
m³/h l/s m³/h l/s m³/h l/s
100 6 2 198 55 425 118
125 9 3 309 86 662 184
160 14 4507 141 1087 302
200 23 6792 220 1696 471
250 35 10 1237 344 2650 736
315 56 16 1964 546 4208 116 9
400 90 25 3167 880 6786 1885
500 141 39 4948 1374 10603 2945
630 224 62 7855 2182 16833 4676

16 We reserve the right to make changes without prior notice We reserve the right to make changes without prior notice
Appendix A – Modbus register
Address : Modbus register address (3x indicates Input & 4x indicates Holding)
UltraLink®: Type of UltraLink®where the register is available (Indicated by “x”)
Name: Name of register
Description: Short description of register.
Data type: Data type for register (16bit contained in one register, 32bit and float in two consecutive registers).
Unit: Unit for register value (if any).
Div: Scale factor for stored value (divide register value with “div” to get correct value).
Default: Default setting.
Min: Minimum value allowed for the register.
Max: Maximum value allowed for the register.
Access: RO for read only (Input registers) and RW for read and write (Holding registers).
Address
UltraLink®
Name Description Data type Unit Div Default Min Max Access Controller Monitor
INPUT REGISTERS
3x008 X X Product Nominal Size Nominal diameter of duct 16bit mm RO
3x013 X X Unit Status Current unit status:
0 = Normal mode;
1 = Locating flow;
2 = Override control;
3 = Error;
4 = Control loop regulating;
5 = Angle sensor calibrating
16bit RO
Flow info
3x150 X X Velocity in m/s Velocity in m/s Float m/s RO
3x152 X X Air flow in m³/h Air flow in m³/h Float m³/h RO
3x154 X X Air flow in l/s Air flow in l/s Float l/s RO
Temperature info
3x200 X X Current temperature in ºC Temperature in degree celcius. 16bit ºC 10 RO
Damper info
3x251 X Damper open in % Damper actual position in percentage
open.
16bit % 10 RO
3x252 X Damper motor action Damper motor action:
0 = Motor stopped.
1 = Motor opening damper
2 = Motor closing damper
16bit RO
Alarms
3x400 X X Alarm Register 1 Alarms 1-32 - bitwise:
1 = Motor not working.
2 = Angle sensor not working correctly.
3 = Flow setpoint not reached.
4 = Flow measure problems.
5 = Damper is regulating.
6 = Not used.
7 - 31 = Reserved for future use.
32 = Factory data is corrupted.
32bit RO
Other
3×500 X X Signal amplification Current signal amplification 16bit 0 3 20 RO

17
We reserve the right to make changes without prior notice
Address
UltraLink®
Name Description Data type Unit Div Default Min Max Access Controller Monitor
HOLDING REGISTERS
Communication settings
4x001 X X Communication id Modbus address 16bit 1 239 RW
4x002 X X RS485 Baud Rate Conf. Baudrate:
0 = 9600
1 = 19200
2 = 38400
3 = 76800
16bit 1 0 3 RW
4x003 X X RS485 Parity Conf. Parity:
0 = Odd;
1 = Even;
2 = None
16bit 0 0 2 RW
4x004 X X RS485 Stop Bit Conf. Number of stopbits: 1 or 2. 16bit 1 1 2 RW
4x005 X X RS485 Protocol Conf. Protocol:
0 = Modbus;
1 = Not used;
2 = Pascal;
16bit 0 0 2 RW
4×006 X X Bluetooth Password Password which must be provided to
pair Bluetooth devices. This password
can always be changed from wired
connection. From wireless it can only be
changed when connection is established
using current password.
16bit 1111 0000 9999 RW
4×007 X X Bluetooth Enable Enable Bluetooth Communication
0 = Bluetooth turned off;
1 = Bluetooth turned on;
16bit 1 0 2 RW
4x008 X X PLA ID used for Pascal 16bit 1 239 RW
4x009 X X ELA ID used for Pascal 16bit 1 239 RW
4×010 X X Bluetooth TX Power Level Configure TX Power Level dBm. Accep-
ted values:
-40, -20, -16, -12, -8, -4, 0, 2, 3, 4, 5, 6,
7, 8, 9
16bit 0 -40 9 RW
System configuration
4x070 X Damper Regulation Conf. Specifies how damper is regulated:
0 = Regulator turned off
1 = Regulate damper angle
2 = Regulate flow
16bit 2 0 2 RW
4x071 X Damper Input Conf. Specifies input to control damper:
0 = Modbus or Pascal
1 = Analog input
16bit 1 0 1 RW
4x082 X X Execute Factory Reset Factory reset of all parameters. Unit will
restart
0 = Do nothing;
1 = Factory Reset
16bit 0 0 1 RW
4x083 X X Execute Reboot Reboot the unit
0 = Do nothing;
1 = Reboot the unit;
16bit 0 0 1 RW
Override configuration
4x150 X Damper Override Timeout Time before returning to normal mode 16bit min 120 0 600 RW
4x151 X Damper Override Conf. 0 = Normal mode;
1 = Override control - Max open;
2 = Override control - Min open;
3 = Override control - 100% open;
4 = Override control - 100% closed
16bit 0 0 4 RW
Damper
4x300 X Execute Angle Calibration 0 = Do nothing;
1 = Start recalibration of the angle
sensor;
2 = Start recalibration when starting up;
16bit 0 0 2 RW
4x302 X Angle Set Point Angle setpoint used in normal mode.
(Only relevant when 4x070 is set to 1 )
16bit % 0 0 100 RW
4x314 X Flow Set Point Flow setpoint used in normal mode.
(Only relevant when 4x070 is set to 2 )
16bit l/s * 0 4700 RW
* = the value depends on the dimension of the product.

18 We reserve the right to make changes without prior notice We reserve the right to make changes without prior notice
* = the value depends on the dimension of the product.
Address
UltraLink®
Name Description Data type Unit Div Default Min Max Access Controller Monitor
4x315 X Flow Set Point Minimum Flow setpoint min. 16bit l/s * 0 4700 RW
4x316 X Flow Set Point Maximum Flow setpoint max. 16bit l/s * 0 4700 RW
Analog output
4x400 X X Analog Output 1 Level
Conf.
Analog output config:
0 = 0-10 V,
1 = 10-0 V,
2 = 2-10 V,
3 = 10-2 V.
16bit 2 0 3 RW
4x401 X X Analog Output 1 Unit Conf. Show:
0 = Flow;
1 = Temperature;
2 = Angle;
16bit 0 0 2 RW
4x402 X X Analog Output 1 Temp.
Min.
Min temperature shown = Min output
voltage (Only relevant when 4x401 is set
to 1 )
16bit ºC 0 -40 50 RW
4x403 X X Analog Output 1 Temp.
Max.
Max temperature shown = Max output
voltage (Only relevant when 4x401 is set
to 1 )
16bit ºC 50 -40 50 RW
4x404 X X Analog Output 1 Flow Min. Min flow shown = Min output voltage
(Only relevant when 4x401 is set to 0 )
16bit l/s 0 -4700 4700 RW
4x406 X X Analog Output 1 Flow Max. Max flow shown = Max output voltage
(Only relevant when 4x401 is set to 0 )
16bit l/s * -4700 4700 RW
4x408 X Analog Output 1 % Open
Min.
Min open % shown = Min output voltage
(Only relevant when 4x401 is set to 2 )
16bit % 10 0 0 1000 RW
4x409 X Analog Output 1 % Open
Max.
Max open % shown = Max output volta-
ge (Only relevant when 4x401 is set to 2 )
16bit % 10 1000 0 1000 RW
4x430 X X Analog Output 2 Level
Conf.
Analog output config:
0 = 0-10 V,
1 = 10-0 V,
2 = 2-10 V,
3 = 10-2 V.
16bit 2 0 3 RW
4x431 X X Analog Output 2 Unit Conf. Show:
0 = Flow
1 = Temperature
2 = Angle
16bit 2 0 2 RW
4x432 X X Analog Output 2 Temp.
Min.
Min temperature shown = Min output
voltage (Only relevat when 4x431 is set
to 1 )
16bit ºC 0 -40 50 RW
4x433 X X Analog Output 2 Temp.
Max.
Max temperature shown = Max output
voltage (Only relevant when 4x431 is set
to 1 )
16bit ºC 50 -40 50 RW
4x434 X X Analog Output 2 Flow Min. Min flow shown = Min output voltage
(Only relevant when 4x431 is set to 0 )
16bit l/s 0 -4700 4700 RW
4x436 X X Analog Output 2 Flow Max. Max flow shown = Max output voltage
(Only relevant when 4x431 is set to 0 )
16bit l/s * -4700 4700 RW
4x438 X Analog Output 2 % Open
Min.
Min open % shown = Min output voltage
Only relevant when 4x431 is set to 2 )
16bit % 10 0 0 1000 RW
4x439 X Analog Output 2 % Open
Max.
Max open % shown = Max output volta-
ge (Only relevant when 4x431 is set to 2 )
16bit % 10 1000 0 1000 RW

19
We reserve the right to make changes without prior notice
Address
UltraLink®
Name Description Data type Unit Div Default Min Max Access Controller Monitor
Analog input (Settings below are only relevant when register 4x071 is set to 1)
4x500 X Analog In Level Conf. Analog input:
0 = 0-10 V,
1 = 10-0 V,
2 = 2-10 V,
3 = 10-2 V.
16bit 2 0 3 RW
4x501 X Analog In Angle Minimum Min angle = min voltage 16bit % 0 0 100 RW
4x502 X Analog In Angle Maximum Max = max voltage 16bit % 100 0 100 RW
4x503 X Analog In Flow Minimum Min flow = min voltage
(Must be equal or higher than register
4x315)
16bit l/s 0 0 4700 RW
4x504 X Analog In Flow Maximum Max flow = max voltage
(Must be equal or lower than register
4x316)
16bit l/s * 0 4700 RW
4x510 X Analog In Override Low
Trigger Min.
Lowest voltage level to activate 1st
Override level
(Only relevant when 4x500 is set to 2
or 3)
16bit V 10 0 0 20 RW
4x511 X Analog In Override Low
Trigger Max.
Highest voltage level to activate 1st
Override level (Only
relevant when 4x500 is set to 2 or 3)
16bit V 10 8 0 20 RW
* = the value depends on the dimension of the product.

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2018-12-06