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Lindab reserves the right to make changes without prior notice

2021-11-02

Lindab reserves the right to make changes without prior notice

2021-11-02

UltraLink

®

 Monitor  

FTMU

lindab  |  technical information

Lindab reserves the right to make changes without prior notice

2021-11-02

Overview

Application

The FTMU is suitable for measuring air flow and tempe-
rature. Communication is established via analog or digital 
signal using Modbus.

Design

The FTMU consists of a sensor body with Lindab Safe 

gaskets. 

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 sensor body.

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.

Display unit

QR code

Status light

Bluetooth

®

Display parameters

Air flow direction

Mode button

CE-mark

IP classification

Display unit

Transducer

Sensor body

Содержание UltraLink FTMU

Страница 1: ...lindab for a better climate Technical information LindabUltraLink Monitor FTMU ...

Страница 2: ...he new technology of UltraLink makes it possible to measure lower air flows compared to today s products while maintai ning measurement accuracy This offers great advantages for the user in terms of comfort and savings in energy consump tion which is of great interest Content Introduction 2 Overview Application Design Display unit 3 Mounting 4 Electrical installation 7 Commissioning 11 Mobile app ...

Страница 3: ...nsists of a sensor body with Lindab Safe gaskets 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 sensor body 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 Display unit QR code Status light Bluetooth Display pa...

Страница 4: ...y so it is visible from a suitable direction By loosening the screw of the steel strip the display unit can be rotated Mount the FTMU into the air duct system according to the mounting instructions for Lindab Safe Never use a FTMU 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 Duct fan Note the ID number o...

Страница 5: ...n be placed at the distance of two duct diameters from the disturbance to achieve 5 uncertainty Positioning the FTMU according to the second picture with the first sensor on the outer radius of the bend the FTMU must be mounted five duct diameters from the disturbance to achieve the same level of uncertainty Other obstructions in the duct system such as axial fans silencer baffels or cleaning hatc...

Страница 6: ...rement uncertainty or X l s depending wich is the greatest of percentage or the absolute value for the specific product size see table on page 16 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 Best position 10 5 5 T piece a Ød Outer radius Not recommended 20 10 5 T piece a Ød Side 10 5 5 a Ød ...

Страница 7: ...ication cables to the premounted cable Check the label on cable for reference to cable colours It is important that the cable is as short as pos sible for optimal Modbus communication For cable connections there is two options use the premounted cable or connect directly in the PCB option A and B Connect directly on PCB To access the terminals on the circuit board remove the lid by pushing the two...

Страница 8: ...ng Function Cable type 24 V Supply 2 wire thickness depending on length and load max 1 5 mm RS485 Modbus communication 2 wire shielded twisted pair min 0 1 mm LIYCY cable Using other cables for Modbus signals may result in communication problems Analog connection When connecting the FTMU using analog signals it is impor tant to connect the analog out signals on the FTMU AO1 AO2 to the analog in te...

Страница 9: ...he 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 BA B A B A B A B A GND GND GND GND Signal ground Shield ground Biasing The master on the bus must have biasing on A and B This is more or less standard on BMS controllers but if communication should be established with a conventional compu ter using a RS4...

Страница 10: ...orresponds to approximately 150 VA for a 24 V AC transformer it is neces sary to use more transformers to prevent overheating Supply cable sizing The wire size of the supply cable can be determined by calculating the resistance per meter R The calculation presuppo ses 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 i...

Страница 11: ... UltraLink units can then easy be changed directly through the app This means you can have individually settings chosen for a specific building It is therefore necessary to change the PIN code in the UltraLink for a discription on how this is done see page 13 Download app Lindab Ultra BT User Manual You can find the specific user manual for the Ultra BT Room Control System by clicking or scaning t...

Страница 12: ...e 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 m 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 the air flow reading temperature and also what unit the current value has if any The followin...

Страница 13: ...4 007 to 0 The code can be changed in three ways using the configuration menu in the display see below table connecting a PC via Modbus and using the Configuration Tool software connect a Bluetooth device and use the OneLink application Maintenance The FTMU does not normally require any maintenance The visible parts of the device can be wiped with a damp cloth Configuration menu structure The conf...

Страница 14: ... Odd Stop bits 1 After updating any of the communication parameters the product needs to be power cycled for the changes to take effect PLEASE LOOK IN THE APPENDED MODBUS REGIS TER FOR INSTRUCTIONS ON HOW TO CHANGE REGISTER VALUES SOME VALUES HAS SCALE FACTORS AND SOME VALUES OCCUPY TWO REGIS TERS All available settings are presented in the appendix The settings can be changed via the RS485 bus an...

Страница 15: ...han 30 devices on the bus Install a repeater if you have more than 30 devices The total length of the bus is maximum 300 m Install with a repeater if you have more than 300 m bus cable Try to establish communication with a PC using Confi guration Tool and a biased RS485 USB converter Keep the total length of stubbs such as the premoun ted cable of a buss with 30 devices no more than 20 meters Erro...

Страница 16: ...easurement uncertainty 0 2 15 0 m s Measurement uncertainty flow assuming correct installation Depending on which is the greatest of the per centage or the absolute number for the specific products 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 00 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 Measuremen...

Страница 17: ...oduct Appendix A Modbus register Address UltraLink Name Description Data type Unit Div Default Min Max Access FTCU FTMU 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...

Страница 18: ...Sum Current Presence based on sum from all sensors 16bit 0 RO 3x2014 X X Sensor Com Presence State 0 Disabled 1 Unoccupied 2 Normal 3 Forced 4 Delayed presence 5 Error 16bit RO 3x2021 X X Sensor Com Min Temp Minimum Temperature 16bit degC 10 RO 3x2022 X X Sensor Com Max Temp Maximum Temperature 16bit degC 10 RO 3x2023 X X Sensor Com Average Temp Average Temperature 16bit degC 10 RO 3x2025 X X Sens...

Страница 19: ... 0 RO 3x2144 X X Sensor 3 RSSI Sensor 3 RSSI 16bit 0 RO 3x2148 X X Sensor 3 Temperature Sensor 3 Temperature 16bit degC 10 0 RO 3x2149 X X Sensor 3 Flow Sensor 3 Flow 16bit l s 10 0 RO 3x2150 X X Sensor 3 Humidity Sensor 3 Humidity 16bit RH 10 0 RO 3x2151 X X Sensor 3 CO2 Sensor 3 CO2 16bit ppm 0 RO 3x2163 X X Sensor 4 Battery Level Sensor 4 battery level 16bit 0 RO 3x2164 X X Sensor 4 RSSI Sensor...

Страница 20: ...Zone Number Specifies in which zone the product is installed in 16 bit 0 0 65535 RW 4x074 X X Installation Floor Number Specifies on which floor the product is installed in 16bit 0 0 65535 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 ...

Страница 21: ...W 4x2113 X X Sensor Temperature Dead Band Dead band for sensor type Temperature 16bit 100 50 1 101 RW 4x2114 X X Sensor Temperature Mul tiplication Factor Multiplication factor for Temperature 16bit 100 150 49 501 RW 4x2120 X X Sensor Flow Enable Control 0 Disable 1 Sum 16bit 0 0 1 RW 4x2121 X X Sensor Flow Dead Band Dead band for sensor type Flow 16bit 100 2 0 100 RW 4x2122 X X Sensor Flow Multip...

Страница 22: ...herefore made it our most important objective to contribute to an indoor climate that improves people s lives We do this by developing energy efficient ventilation solutions and durable building products We also aim to contribute to a better climate for our planet by working in a way that is sustainable for both people and the environment Lindab For a better climate ...

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