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Intab AirGate-Modbus, Инструкция по эксплуатации

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AirGate-Modbus

 

 

INTAB INTERFACE-TEKNK AB 

 

3/22

 

 

CONNECTION AND INSTALLATION 

MECHANICAL INSTALLATION 

AirGate-Modbus

 has its own enclosure, to be installed in a 35 mm trail. 

For the installation in the trail, the metallic hook in the base must be located and pressed against the trail. 

DIMENSIONS: 

The dimensions of 

AirGate-Modbus

 are shown in 

Fig. 1

. 

 

Fig. 1 - 

Dimensions of

 

AirGate-Modbus

. 

ELECTRICAL INSTALLATIONS 

AirGate-Modbus

 has power supply connectors and serial communication interface RS485 according to Legend: Voltage supply 

Fig. 

2

. 

 

Caution  when  connecting  the  power  supply  wires  in 

AirGate-Modbus

.  If  the  positive 

conductor  of  the  power  source  is  turned  on,  even  if  momentarily,  to  one  of  the 
communication link terminals, the 

AirGate-Modbus

 may be damaged. 

 

Fig. 2

 - Power supply and communication connections of the 

AirGate-Modbus

. 

Fig. 3

 shows the electrical connections needed. Terminals 1, 2 and 3 are destined for the communication with Modbus network. 

These  terminals  are  internally  connected  to  terminals  4,  5  and  6.  The  terminals  7,  8  and  9  are  used  for 

AirGate-Modbus

  power 

supply. 

 

Fig. 2 – 

Electrical connections of

 

AirGate-Modbus

. 

Содержание AirGate-Modbus

Страница 1: ... MODBUS REGISTERS 17 ACCESSORIES 22 WARRANTY 22 INTRODUCTION AirGate Modbus is an equipment with a link interface function between a network with Modbus RTU protocol about RS485 and a wireless network with proprietary protocol about IEEE 802 15 4 Resulting from an advanced technological development the product stands out in many aspects such as high performance high connectivity and easy setup and...

Страница 2: ...ID Data encryption AES CBC 128 Advanced Encryption Standard CONNECTIONS Power source connector USB Device Mini B RP SMA Female connector Plug Two connectors for RS485 Modbus RTU interface POWER SOURCE Voltage from 10 to 35 Vdc Maximum energy consumption 70 mA in 24 V ENVIRONMENTAL CONDITIONS Operation Temperature 0 to 70 C Relative humidity 80 up to 30 ºC ELECTROMAGNETIC COMPATIBILITY EN61000 4 2 ...

Страница 3: ...mmunication interface RS485 according to Legend Voltage supply Fig 2 Caution when connecting the power supply wires in AirGate Modbus If the positive conductor of the power source is turned on even if momentarily to one of the communication link terminals the AirGate Modbus may be damaged Fig 2 Power supply and communication connections of the AirGate Modbus Fig 3 shows the electrical connections ...

Страница 4: ...no communication through the USB interface after 1 minute this will go back to normal functioning LEDS When turning the equipment on the Status LED starts to flash quickly until the AirGate Modbus connects to a wireless network In the moment that the AirGate Modbus is connected to a wireless network the Status LED remains turned on When the setup button is pressed the Status LED flashes slowly unt...

Страница 5: ...lexing of the USB and RS485 for IEEE 802 15 4 In this mode AirGate Modbus uses the RS485 and USB interfaces for the multiplexing of Modbus masters The masters must be directly linked to these interfaces The wireless interface is used to communicate with other AirGate Modbus devices in RS485 SLAVES operation mode When this operation mode is used a Timeout is needed to ensure that each of the master...

Страница 6: ...O THE MODBUS MASTER Division of a wired network in wired segments interconnected by wireless segments Wireless segments located close to the Modbus master which communicates by USB port It allows the AirGate Modbus using as a USB RS485 convertor for the first wired segment Fig 6 illustrates this possible application Fig 5 Wireless segments close to the Modbus master WIRELESS SEGMENTS CLOSE TO MULT...

Страница 7: ... Fig 6 to expand the network an AirGate Modbus configured as a RS485 SLAVES Firmware 1 23 was inserted with the same PAN ID 5670 In another segment two AirGates were assembled using the RS485 interfaces an AirGate Modbus operating the RS485 SLAVES mode and an AirGate Modbus operating in RS485 MASTER mode In this segment a new PAN ID 5671 was created starting a new star network Fig 6 Topology in tr...

Страница 8: ... When installing the setup software the USB Serial Port driver of AirGate Modbus may be automatically installed according to Fig 10 Fig 8 Selection of components DigiConfig has a complete help file with all necessary information for its full usage To consult the help start the application and select the Help menu or press the F1 key In case you don t have the CD which accompanies the AirGate Modbu...

Страница 9: ...giConfig software via USB interface being necessary to put the device in setup mode To enter this mode simply press the SETUP BUTTON checking that the STATUS LED now flashes slowly approximately once per second In setup mode the device stops behaving as a gateway from a Modbus network and starts to accept the configurations In the main screen of the DigiConfig software Fig 12 the following configu...

Страница 10: ...L PORT COM WINDOWS DETERMINATION The serial port associated to the AirGate Modbus is automatically determined by the operational system a few instants after the connection of the AirGate Modbus The user may easily identify or alter the COM port associated to the AirGate Modbus accessing the Windows Device Manager Control Panel System Hardware Device Manager COM LPT Ports It s also possible to open...

Страница 11: ... Some serial ports may be marked as In Use Only select one of these ports in case you are sure that it is not being used by another peripheral of your computer In some situations the serial ports may be marked as in use even when the associated device is not installed anymore in the computer In this case it is safe to associate this port to the AirGate Modbus Fig 14 Accessing the advanced configur...

Страница 12: ...TER of the OPERATION MODES chapter Noting that in this case the Timeout configured in each network master must be at least double the time configured for AirGate Modbus OPERATION MODES According to the desired functionality the AirGate Modbus can be configured with different operation modes These are distinguished altering the functions of the communication interfaces as explained in the OPERATION...

Страница 13: ...485 AND USB INTERFACE The RS485 and USB interfaces may be configured to operate in the following speeds baud rates 1200 2400 4800 9600 19200 38400 57600 and 115200 Besides that it may be configured to operate with one or two stop bits and in the parities even uneven and none More details about the implementation of a Modbus devices network via RS485 can be found in the document Basic RS485 and RS4...

Страница 14: ...ds to configure at least one AirGate Modbus as a Multi Master operation mode USB Master or RS485 Master and the other equipment i AirGate Modbus with the RS485 Slaves operation mode and ii RHT Air all with the same PAN ID After the configuration the equipment units will automatically be paired based on the best communication link LQI that is found For a correct functioning of the wireless communic...

Страница 15: ...quency Among these 15 possible channels the network operates on the channel that has the lowest interference CHANNEL OPERATION FREQUENCY 11 2405 MHz 12 2410 MHz 13 2415 MHz 14 2420 MHz 15 2425 MHz 16 2430 MHz 17 2435 MHz 18 2440 MHz 19 2445 MHz 20 2450 MHz 21 2455 MHz 22 2460 MHz 23 2465 MHz 24 2470 MHz 25 2475 MHz Table 3 Operation Channels REGISTER 36 LINK QUALITY INDICATOR RX FATHER States the ...

Страница 16: ...he LQI will behave similarly to the contents of the graph shown in Fig 17 where a comparison between different levels of power for the Distance versus LQI ratio is made Fig 13 Ratio between Distance and LQI for several power levels Table 4 lists the values obtained in the LQI reading with an evaluation of the signal quality This same information can be seen in a more intuitive fashion on the Diagn...

Страница 17: ...age every time it receives packages in the RS485 or USB interface If enabled can the CRC is not correct the packet is not forwarded to the rest of the network 0 Disabled 1 Enabled R W 9 Enables on inhibits the use of cryptography in wireless communication When enabled all the devices of a single PAN ID should have their cryptography enabled and use the same SECURITY_KEY 0 Disabled 1 Enabled R W 10...

Страница 18: ...operation mode in the RS485 interface of the device To facilitate connectivity with devices from different manufacturers when configured with ParityNone_StopBits1 or ParityNone_StopBits2 the device always transmits using 2 stop bits and receives with 1 stop bit This allows for communication with devices with both configurations but this feature is only available with the RS485 interface 0 Parity N...

Страница 19: ...0 when the device is in configuration mode or is the network coordinator that does not have a father 100 15 R 37 Indicates the number of children AirGates in operation mode RS485 Slaves RHTs Air that the device has 0 43 R 38 ADDR_FILHO register This register is used to request the AirGate Modbus information about its children This register should include the Modbus address of the child that requir...

Страница 20: ...Hz obtained when starting the network The noise is measured with the power of the noise level of the channel measures in dBm and can vary from 100 dBm clean channel to 15 dBm dirty channel 100 15 R 53 Noise in channel 15 frequency 2425 MHz band 2 MHz obtained when starting the network The noise is measured with the power of the noise level of the channel measures in dBm and can vary from 100 dBm c...

Страница 21: ...haracter 0 65535 R W 66 Used so the user can identify the device Each byte corresponds to an ASCII character 0 65535 R W 67 Used so the user can identify the device Each byte corresponds to an ASCII character 0 65535 R W 68 Used so the user can identify the device Each byte corresponds to an ASCII character 0 65535 R W From here on out are the protected registers 1000 Reserved 0 1 R 1001 Long MAC ...

Страница 22: ...better positioning of the AirGate Modbus antenna On its ends there are RP SMA Male connectors for connection with AirGate Modbus and RP SMA Female for connection with the Antenna There is no need to buy a new antenna because the one from AirGate may be used WARRANTY Warranty conditions are available on our web site www novusautomation com ...

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