Weinzierl KNX 886 Operation And Installation Manual
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Weinzierl KNX 886 Operation And Installation Manual

Modbus rtu gateway with 250 data points
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KNX Modbus Gateway with 250 data points
KNX Modbus RTU Gateway 886
Operation and installation manual
(Art. # 5256)
Weinzierl Engineering GmbH
Achatz 3
DE-84508 Burgkirchen / Alz
GERMANY
Tel: +49 (0)8677 / 91 636 – 0
info@weinzierl.de
www.weinzierl.de
© 2020 Weinzierl Engineering GmbH
Page 1/49

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Summary of Contents for Weinzierl KNX 886

  • Page 1 KNX Modbus Gateway with 250 data points KNX Modbus RTU Gateway 886 Operation and installation manual (Art. # 5256) Weinzierl Engineering GmbH Achatz 3 DE-84508 Burgkirchen / Alz GERMANY Tel: +49 (0)8677 / 91 636 – 0 info@weinzierl.de www.weinzierl.de © 2020 Weinzierl Engineering GmbH Page 1/49...

  • Page 2: Table Of Contents

    Channel function “DPT 08 – signed – 2 bytes” ..............42 5.13 Channel Function “DPT 09 – float – 2 bytes” ..............43 5.14 Channel Function “DPT 14 – float – 4 bytes” ..............44 5.15 5.16 General information......................48 © 2020 Weinzierl Engineering GmbH Page 2/49...

  • Page 3: Application

    The device has galvanic isolation between Modbus and KNX. The Modbus side must be connected with 12...24 V⎓. The unchoked output voltage from the KNX power supply must not be used for this purpose. If the bus voltage is missing, the device is without function. © 2020 Weinzierl Engineering GmbH Page 3/49...

  • Page 4: Knx Programming Mode

    The programming mode is not active. LED flashes red Synchronization is not active. The device is not loaded correctly, e.g. after aborting a download. LED flashes green The device is currently loaded by the ETS. © 2020 Weinzierl Engineering GmbH Page 4/49...

  • Page 5: Reset To Factory Default Settings

    In the factory default settings, the device has the physical address 15.15.255 and no group addresses are connected. 4 Wiring scheme 4.1 Pluggable screw terminals The upper terminal is used to connect the supply voltage 12 ... 24 V⎓, the lower terminal to connect the Modbus: © 2020 Weinzierl Engineering GmbH Page 5/49...

  • Page 6: Pin Assignment

    120 Ohm / 0.25 W resistor. This resistor must be inserted directly between the two signal lines before the input of the last device. Only shielded and twisted cables should be used for Modbus. © 2020 Weinzierl Engineering GmbH Page 6/49...

  • Page 7: Ets Database

    5 ETS database The ETS5 database (for ETS 5.7 or newer) can be downloaded from the product website of the KNX Modbus RTU Gateway 886 (www.weinzierl.de) or from the ETS online catalogue. 5.1 Description The first page shows general information about the device.

  • Page 8: General Settings

    If the gateway is operating as Modbus master, all registers of the channels configured “KNX to Modbus” are written to Modbus again. ❼ ❽ Synchronization can be cancelled by pressing the buttons simultaneously. © 2020 Weinzierl Engineering GmbH Page 8/49...

  • Page 9: Modbus Settings

    The telegram rate limitation only occurs when the bus load is increased. 5.3 Modbus settings KNX Gateway This parameter defines the role of the KNX gateway within the client/server architecture of the Modbus environment. Available are: ▪ Modbus master ▪ Modbus slave © 2020 Weinzierl Engineering GmbH Page 9/49...
  • Page 10 Here it is set on which address basis the register address is defined: ▪ 0 based ▪ 1 based Time till next request (only in Master mode) This parameter defines the minimum time for the next request. Used to slow down the master. © 2020 Weinzierl Engineering GmbH Page 10/49...
  • Page 11 If no request is received from the master within the time interval, “No communication – On” is sent to the KNX bus via the diagnostic object. Group object Type KNX Size Direction GO 276 Diagnostic: Slave (common) – No communication 1.001 1 bit To KNX © 2020 Weinzierl Engineering GmbH Page 11/49...

  • Page 12: Datapoints N - M

    If the diagnostic is activated, the diagnostic object of this page can be named here. Group object Type KNX Size Direction GO 251 Diagnostic: Slave (page 1) – No communication 1.001 1 bit To KNX © 2020 Weinzierl Engineering GmbH Page 12/49...
  • Page 13 GO 1 Channel 1: … – Unsigned – 2 bytes … 7.001 2 bytes ▪ DPT 08 – signed – 2 bytes Group object Type KNX Size Direction GO 1 Channel 1: … – Signed – 2 bytes … 8.001 2 bytes © 2020 Weinzierl Engineering GmbH Page 13/49...
  • Page 14 Object transmits after cycle time and on value change Cycle time The time for send condition cyclic. Type This parameter defines the function of the channel as well as the size of the Modbus register used. © 2020 Weinzierl Engineering GmbH Page 14/49...
  • Page 15 Read discrete inputs – 02 Modbus Slave | KNX to Modbus ▪ Read coils – 01 ▪ Read discrete inputs – 02 Modbus Slave | Modbus to KNX ▪ Write single/multi coils – 05, 15 © 2020 Weinzierl Engineering GmbH Page 15/49...

  • Page 16: Channel Function "Dpt 01 - Binary - 1 Bit

    1 bit (KNX) is mapped to value in word register (Modbus) Type – Bit register 5.5.1 Value inverted If yes, the inverted value of the group object corresponds to the value of the bit register. © 2020 Weinzierl Engineering GmbH Page 16/49...
  • Page 17 This parameter defines the size of the value in the word register (in bits). Offset This parameter defines the position of the value in the word register (offset from the right in bits). © 2020 Weinzierl Engineering GmbH Page 17/49...
  • Page 18 Here it can be configured whether a value is to be set in the register when an ‘OFF’ telegram is received. Value The value that is set in the register when an ‘OFF’ telegram is received. © 2020 Weinzierl Engineering GmbH Page 18/49...
  • Page 19 This parameter defines the behaviour of the group object in case the register value is smaller than the parameterized value. The following options are available: ▪ No reaction ▪ Send ‘ON’ Send ‘OFF’ ▪ © 2020 Weinzierl Engineering GmbH Page 19/49...

  • Page 20: Channel Function "Dpt 03 - Dimming - 4 Bit

    This parameter defines the behaviour of the bit register in case a ‘DIM DOWN’ telegram was received at the group object. The following options are available: ▪ No reaction ▪ Register ‘1’ ▪ Register ‘0’ © 2020 Weinzierl Engineering GmbH Page 20/49...
  • Page 21 This parameter defines the behaviour of the group object in case the register value corresponds to the parameterized value. The following options are available: ▪ No reaction ▪ Send ‘DIM UP’ ▪ Send ‘DIM DOWN’ ▪ Send ‘DIM STOP’ © 2020 Weinzierl Engineering GmbH Page 21/49...
  • Page 22 The value that is set in the register when a ‘DIMM DOWN’ telegram is received. Behaviour on receiving data ‘DIM STOP’ Here it can be parameterized whether a value is to be set in the register when a ‘DIM STOP’ telegram is received. © 2020 Weinzierl Engineering GmbH Page 22/49...
  • Page 23 This parameter defines the behaviour of the group object in case the register value corresponds to the parameterized value. The following options are available: ▪ No reaction ▪ Send ‘DIM UP’ ▪ Send ‘DIM DOWN’ Send ‘DIM STOP’ ▪ © 2020 Weinzierl Engineering GmbH Page 23/49...

  • Page 24: Channel Function "Dpt 05 - Percent - 1 Byte

    This parameter defines the area of the word register that is mapped. The following areas are available: ▪ Low byte ▪ High byte ▪ High/Low byte Value minimum (register) Register value which corresponds to Value minimum (KNX). Value maximum (register) Register value which corresponds to Value maximum (KNX). © 2020 Weinzierl Engineering GmbH Page 24/49...

  • Page 25: Channel Function "Dpt 05 - Configured - 1 Byte

    1 byte configured value (KNX) is mapped to value in word register (Modbus) Type – Bit register 5.8.1 Direction – KNX to Modbus 5.8.1.1 Value (object) This parameter defines the value for which the group object (KNX) is checked. © 2020 Weinzierl Engineering GmbH Page 25/49...
  • Page 26 This parameter defines the behaviour of the bit register in case the received value (KNX) is smaller than the parameterized value. The following options are available: ▪ No reaction ▪ Register ‘1’ ▪ Register ‘0’ Direction – Modbus to KNX 5.8.1.2 © 2020 Weinzierl Engineering GmbH Page 26/49...
  • Page 27 Type – Bit in word register 5.8.2 Direction – KNX to Modbus 5.8.2.1 Value (object) This parameter defines the value for which the group object (KNX) is checked. Position (register) Defines the bit in the word register. © 2020 Weinzierl Engineering GmbH Page 27/49...
  • Page 28 (KNX) is smaller than the parameterized value. The following options are available: ▪ No reaction ▪ Register ‘1’ ▪ Register ‘0’ Direction – Modbus to KNX 5.8.2.2 Position (register) Defines the bit in the word register. © 2020 Weinzierl Engineering GmbH Page 28/49...
  • Page 29 This parameter defines the size of the value in the word register (in bits). Offset This parameter defines the position of the value in the word register (offset from the right in bits). © 2020 Weinzierl Engineering GmbH Page 29/49...
  • Page 30 This parameter defines the behaviour of the word register in case the received value (KNX) corresponds to the parameterized value. The following options are available: ▪ No reaction ▪ Set value in register Value (register) The value that is set in the word register. © 2020 Weinzierl Engineering GmbH Page 30/49...
  • Page 31 This parameter defines the behaviour of the group object (KNX) in the event that the register value is greater than the parameterized value. The following options are available: ▪ No reaction ▪ Send value Value (object) The value that is sent via the group object (KNX). © 2020 Weinzierl Engineering GmbH Page 31/49...

  • Page 32: Channel Function "Dpt 05 - Unsigned - 1 Byte

    5.9 Channel function “DPT 05 – unsigned – 1 byte” Type The following type is configured: ▪ Word register 1 byte value unsigned (KNX) is written/read to/from area in word register (Modbus) Type – Word register 5.9.1 © 2020 Weinzierl Engineering GmbH Page 32/49...

  • Page 33: Channel Function "Dpt 06 - Signed - 1 Byte

    5.10 Channel function “DPT 06 – signed – 1 byte” Type The following type is configured: ▪ Word register 1 byte value signed (KNX) is written/read to/from area in word register (Modbus) 5.10.1 Type – Word register © 2020 Weinzierl Engineering GmbH Page 33/49...

  • Page 34: Channel Function "Dpt 07 - Configured - 2 Bytes

    2 byte value configured (KNX) is mapped to value in word register (Modbus) 5.11.1 Type – Bit register 5.11.1.1 Direction – KNX to Modbus Value (object) This parameter defines the value for which the group object (KNX) is checked. © 2020 Weinzierl Engineering GmbH Page 34/49...
  • Page 35 This parameter defines the behaviour of the bit register in case the received value (KNX) is smaller than the parameterized value. The following options are available: ▪ No reaction ▪ Register ‘1’ ▪ Register ‘0’ 5.11.1.2 Direction – Modbus to KNX © 2020 Weinzierl Engineering GmbH Page 35/49...
  • Page 36 5.11.2 Type – Bit in word register 5.11.2.1 Direction – KNX to Modbus Value (object) This parameter defines the value for which the group object (KNX) is checked. Position (register) Defines the bit in the word register. © 2020 Weinzierl Engineering GmbH Page 36/49...
  • Page 37 (KNX) is smaller than the parameterized value. The following options are available: ▪ No reaction ▪ Register ‘1’ ▪ Register ‘0’ 5.11.2.2 Direction – Modbus to KNX Position (register) Defines the bit in the word register. © 2020 Weinzierl Engineering GmbH Page 37/49...
  • Page 38 This parameter defines the size of the value in the word register (in bits). Offset This parameter defines the position of the value in the word register (offset from the right in bits). © 2020 Weinzierl Engineering GmbH Page 38/49...
  • Page 39 This parameter defines the behaviour of the word register in case the received value (KNX) corresponds to the parameterized value. The following options are available: ▪ No reaction ▪ Set value in register Value (register) The value that is set in the word register. © 2020 Weinzierl Engineering GmbH Page 39/49...
  • Page 40 This parameter defines the behaviour of the group object (KNX) in the event that the register value is greater than the parameterized value. The following options are available: ▪ No reaction ▪ Send value Value (object) The value that is sent via the group object (KNX). © 2020 Weinzierl Engineering GmbH Page 40/49...

  • Page 41: Channel Function "Dpt 07 - Unsigned - 2 Bytes

    5.12 Channel function “DPT 07 – unsigned – 2 bytes” Type The following type is configured: ▪ Word register 2 byte value unsigned (KNX) is written/read to/from area in word register (Modbus) 5.12.1 Type – Word register © 2020 Weinzierl Engineering GmbH Page 41/49...

  • Page 42: Channel Function "Dpt 08 - Signed - 2 Bytes

    2 byte value signed (KNX) is written/read to/from area in word register (Modbus) 5.13.1 Type – Word register Position (register) This parameter defines the area of the word register which is read/written. The following area is configured: ▪ High/Low byte © 2020 Weinzierl Engineering GmbH Page 42/49...

  • Page 43: Channel Function "Dpt 09 - Float - 2 Bytes

    High byte – 2th complement ▪ High/Low byte – 2th complement Value minimum (register) Register value which corresponds to Value minimum (KNX). Value maximum (register) Register value which corresponds to Value maximum (KNX). © 2020 Weinzierl Engineering GmbH Page 43/49...

  • Page 44: Channel Function "Dpt 14 - Float - 4 Bytes

    4 byte float value (KNX) is mapped to area in word register (Modbus) ▪ Double word register 4 byte float value (KNX) is mapped to two word registers (Modbus) 5.15.1 Type – Word register © 2020 Weinzierl Engineering GmbH Page 44/49...
  • Page 45 KNX value which corresponds to Value minimum (register). Value maximum (KNX) KNX value, which corresponds to Value maximum (register). The conversion is always transferred to the entire register area. Value minimum/maximum (register) defines no limits. © 2020 Weinzierl Engineering GmbH Page 45/49...
  • Page 46 Value minimum (register) Register value which corresponds to Value minimum (KNX). Value maximum (register) Register value which corresponds to Value maximum (KNX). Value minimum (KNX) KNX value which corresponds to Value minimum (register). © 2020 Weinzierl Engineering GmbH Page 46/49...
  • Page 47 Address (for “Double word register”) Double word registers use the register address specified here as well as this register address + 1. © 2020 Weinzierl Engineering GmbH Page 47/49...

  • Page 48: General Information

    If these are not successful, all channels of this parameter page are skipped. If the slave takes longer than 1 second to process the data, it can send an acknowledge telegram which restarts the time interval at the master. © 2020 Weinzierl Engineering GmbH Page 48/49...
  • Page 49 ETS5 Database Weinzierl Engineering GmbH www.weinzierl.de/en/products/886/ets5 Achatz 3 DE-84508 Burgkirchen / Alz Data sheet GERMANY www.weinzierl.de/en/products/886/datasheet Tel: +49 (0)8677 / 91 636 – 0 CE Declaration info@weinzierl.de www.weinzierl.de/en/products/886/ce-declaration www.weinzierl.de 2021-05-26 © 2020 Weinzierl Engineering GmbH Page 49/49...

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