Radius PDR 121 Installation And Operation Manual

Manual is about: Packet Data Radio

Summary of PDR 121

  • Page 1

    Packet data radio installation and operation manual pdr 121 radius radio network technology.

  • Page 2

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 2 (67) contents 1 general ________________________________________________________________ 4 1.1 document history________________________________________________________________ 4 1.2 radius contact information ____________________...

  • Page 3

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 3 (67) 12.4 configuration menus _________________________________________________________ 48 12.5 network ___________________________________________________________________ 48 12.5.1 system id _____________________________________...

  • Page 4

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 4 (67) radius uk ltd unit 4e bramhall moor technology park pepper road hazel grove sk7 5bw england phone: +44 161 484 2600 fax: +44 161 484 2671 email: support.Uk@radius.Se web : www.Radius-uk.Com 1 general 1.1 document history cre...

  • Page 5

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 5 (67) 2 find your way in the manual chapter 3 gives an introduction to radius pdr 121 system and some application examples. Chapter 4 contains technical specifications for the pdr 121. Chapter 5 provides a quick start guide for in...

  • Page 6

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 6 (67) 3 introduction wireless communications remains the most cost effective solution for a significant amount of modern applications. Advances in wireless technology allow data throughput and reliability to be very high and, give...

  • Page 7

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 7 (67) 3.1 typical application areas radius has been a global player in the digital data wireless market for well over a decade, helping a wide range of customers meeting their operational and financial targets. Working with sme’s ...

  • Page 8

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 8 (67) 3.1.1 examples of typical application networks 3.1.1.1 point-to-point 3.1.1.2 point-to-multipoint pdr plc, rtu or other devices control system pdr plc, rtu or other devices control system plc, rtu or other devices plc, rtu o...

  • Page 9

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 9 (67) 3.1.1.3 water/wastewater network the example above shows two substations communicating peer-to-peer. Pdr reservoir pdr waste water plant control system pump house water treatment plant peer-to-peer.

  • Page 10

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 10 (67) 3.1.1.4 electrical distribution network control system capacitor switch substation recloser metering points substation.

  • Page 11

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 11 (67) 4 technical specifications radio transceiver data rates 4800…19200 bps frequency range uhf 403..470 mhz. Vhf 132…174 mhz. Other bands available on request. Frequency splits various tx/rx frequency splits configurable operat...

  • Page 12

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 12 (67) 5 quick start guide pdr 121 provides many extra features, which are useful for different types of applications. However, typical operation requires only a few of those. All feature configuration parameters have default valu...

  • Page 13

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 13 (67) 6 glossary of terms some of the terms and abbreviations used in this product description may be unfamiliar if you are new to digital radio systems. The following glossary explains these terms, which can be helpful in unders...

  • Page 14

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 14 (67) parity – a one-bit quantity indicating whether the number of 1’s in a word is even or odd. Peer-to-peer – peer-to-peer is a communications model in which each party has the same capabilities and either party can initiate a ...

  • Page 15

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 15 (67) 7 the pdr 121 radio transceiver functionality this chapter describes the pdr 121 radio functionality. 7.1 pdr 121 operation blocks the figure below shows the basic building blocks of the pdr 121. Rs232 to rf serial data is ...

  • Page 16

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 16 (67) 7.4 communication the pdr 121 can act as a master or a slave/repeater in the system. The routing information, rtu addresses, radio identities and repeater paths, are configured in each radio unit. When the connected control...

  • Page 17

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 17 (67) 7.5 radio receiver sensitivity the receiver sensitivity depends on the frequency used, channel spacing, 12.5 / 25 khz, and the data speed, 4800, 9600 or 19200 bps. The receiver sensitivity is measured by attenuating a known...

  • Page 18

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 18 (67) rssi 0 0,5 1 1,5 2 2,5 3 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 dbm v 7.7 rssi – received signal strength indication the rssi value can be used to determine the quality of a radio link. The rssi values can ...

  • Page 19

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 19 (67) 7.8 differences between pdr 121 models all models of the pdr 121 are very similar in appearance and functionality. The only differences are in frequency coverage, channel bandwidth and radio data speed. The table below summ...

  • Page 20

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 20 (67) 8 operating the pdr 121 8.1 led indicators and connectors figure 3. Packet data radio 121. Name description a earth/ground connection for connection to the system’s earth/ground (internally connected to pwr negative (-) pol...

  • Page 21

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 21 (67) 8.2 peer-to-peer the pdr 121 offers the feature of peer-to-peer communication. Any pdr 121 unit can communicate with another, independently from a master unit. Peer-to-peer communication is achieved by entering the peer des...

  • Page 22

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 22 (67) the min and max times allow one to configure different values at each site to totally avoid radio collisions during instances of cascading events. Note! Many dnp3 rtu’s have internal collision avoidance mechanisms. Those mu...

  • Page 23

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 23 (67) 8.4 remote frequency change the pdr 121 provides a function to change the radio network frequency/frequencies remotely, without having to visit all radio sites. The function is executed from the designated master radio, via...

  • Page 24

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 24 (67) 8.5 remote tx power change the radio transmission power can be changed remotely from any radio on the network. This gives the network user the possibility to compensate for a weak radio link, if necessary. The transmitter p...

  • Page 25

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 25 (67) 8.9 split tx uplink frequency radius transceivers allow users to select half-duplex or simplex operation, or a combination. For example where the master is situated at a shared communications site, it will be often essentia...

  • Page 26

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 26 (67) 8.10 repeating alternative systems normally, a pdr121 unit discards radio messages containing a non- valid system id. However, it is possible to configure up to four alternative system ids. This allows two - or more - paral...

  • Page 27

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 27 (67) 9 installation 9.1 general the installation of radio systems requires careful design and material selection due to the fact that radio systems are more sensitive to interference and cause more interference than other types ...

  • Page 28

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 28 (67) _ + + _ 9.3 battery power supply if a re-chargeable battery is to be used, the connection shall be made as follows: note! The battery input shall only be used for non-rechargeable batteries. + -- battery power supply.

  • Page 29

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 29 (67) 9.4 serial interface the pdr 121 is connected to the control system / rtu via the rs-232 interface. The serial data transmission is full duplex with selectable data speeds between 600 and 19200 bps, with or without parity. ...

  • Page 30

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 30 (67) cable type 2 cable type 3 cable type 4 cable type 5 cable type 6 cable type 1 9.4.2 serial cable configurations db9f = d-sub, 9 pin, female db9m = d-sub, 9 pin, male db25f = d-sub, 25 pin, female db25m = d-sub, 25 pin, male...

  • Page 31

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 31 (67) cable type 7 cable type 8 cable type 9 cable type 10 cable type 11 cable type 12 9.4.2.2 dce – dce figure 5. Dce-dce serial cable configurations dcd 1 ⊃ rd 2 ⊃ td 3 ⊃ dtr 4 ⊃ dsr 6 ⊃ rts 7 ⊃ cts 8 ⊃ ri 9 ⊃ gnd 5 ⊃ ⊂1 dcd ⊂2...

  • Page 32

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 32 (67) 9.4.2.3 cts operation during radio tx figure 6. Cts operation when transmitting a received serial message on the radio. 9.4.2.4 cts and dcd operation during radio rx figure 7. Cts and dcd operation when receiving a radio me...

  • Page 33

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 33 (67) 9.4.2.5 pre- and post dcd figure 8. Dcd and cts operation when using pre dcd and post dcd time 9.4.3 eia rs323 conversion table eia rs232 itu-t (ccitt) v24 description td (txd) 103 transmitted data from dte rd (rxd) 104 rec...

  • Page 34

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 34 (67) 9.5 cabinet mounting 9.5.1 pdr 121 mounted in cabinet if the packet data radio 121 is mounted in a cabinet, this is built up as shown below: figure 9. Pdr 121 mounted in cabinet. Object name description a packet data radio ...

  • Page 35

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 35 (67) 10 accessories radius provides a wide range of accessories and spare parts for radios and radio network installations. All equipments have been tested to be appropriate for use with radius radios and have been selected by p...

  • Page 36

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 36 (67) 11 radio networking this chapter general radio network equipment, terms and how to calculate a “radio link budget”. This information can be useful when planning a radio network, but is not essential for using the pdr 121. 1...

  • Page 37

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 37 (67) 11.1.2 antenna types there are basically two categories of antennas, omni-directional and directional. An omni- directional antenna radiates in all directions. A directional antenna radiates in one direction only. An omni-d...

  • Page 38

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 38 (67) 11.1.2.2 omni-directional antenna here is an example of an omni-directional antenna. In this case it is a ground plane antenna. 11.1.3 antenna gain versus radio output power increasing the receiver sensitivity by 3dbm is eq...

  • Page 39

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 39 (67) 11.2 fade margin fade margin is an expression for how much margin - in db - there is between the received signal strength level and the receiver sensitivity of the radio. The figure below describes the term fade margin. Sit...

  • Page 40

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 40 (67) 11.3 radio link calculations this section contains some useful formulas for radio “link budget” calculations. Note that the calculations are based on assumptions of certain circumstances and should only be used as a guideli...

  • Page 41

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 41 (67) example 1 d = 12.5 miles (20 kilometres) f = 142.000 mhz ht = 65 feet (20 meters) hr = 16 feet (5 meters) a = 117 + 40 x log 12.5 + 20 x log 142 – 20 x log(65 x 16) 117 + 43.8764 + 43.0457 – 60.3406 = 143.6db this example s...

  • Page 42

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 42 (67) example 1 is the radio link theoretically possible? Calculation of fade margin fm; distance = 3 miles (5km) antenna height 1 = 65 feet (20 meters) antenna height 2 = 16 feet (5 meters) radio tx power = 33 dbm (2w) radio rx ...

  • Page 43

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 43 (67) ex4: f = 142mhz distance = 40 0000 meters (40 km) (24.8 miles) -> λ = c/f = 300/142 = 2.11m fsl = 20*log(2.11/4 π *40 000) = -107.5db ex1: f = 460mhz distance = 10 000 meters (10 km) (6.2 miles) -> λ = c/f = 300/460 = 0.65m...

  • Page 44

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 44 (67) 11.3.2.1 radio link budget fm = srx + ptx + gtx + fsl + grx – cl can be used to calculate any of the factors within. Fm = fade margin (see chapter 11.2). Srx = sensitivity of the receiver (dbm) (using +dbm instead of –dbm) ...

  • Page 45

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 45 (67) 12 configuration 12.1 equipment configuration of the pdr 121 is performed via the rbus interface using the radius progint cable and a standard communication program, like windows hyperterminal. The terminal program needs to...

  • Page 46

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 46 (67) 12.3 configuration menus overview see 12.8, page 52. See 12.7, page 51. See 12.6, page 50. See 12.5, page 48. Packet data radio - pdr121 copyright radius sweden ab software: pdr121s v1.0 build sep 15 2004 artno:303062-4 swn...

  • Page 47

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 47 (67) see 12.9, page 54. No. Rtu adr radio id r1 r2 r3 r4 r5 r6 01. 00001 01 -- -- -- -- -- -- 02. 00002 02 01 -- -- -- -- -- system id : 01 radio id : 99 protocol : dnp3 serial : 9600 8n1 inter character timeout : 250 ms pre dcd...

  • Page 48

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 48 (67) 12.4 configuration menus after pressing ‘c’, the main menu is displayed. To enter a sub menu, enter the number, or letter, to the left of the menu name. 12.5 network the network menu contains all routing parameters each rad...

  • Page 49

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 49 (67) 12.5.3 rtu 01..20 – rtu 81..99 the rtu menus contain the message routing information. Note! The rtu id configuration differs depending on which protocol is used. Configuration of the master radio network menu is similar for...

  • Page 50

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 50 (67) 12.5.3.1 multiple rtu’s several rtu’s can be connected to one pdr radio via a rs232/rs485 interface. This is achieved by configuring the rtu addresses to the same radio id in the network rtu list. 12.5.3.2 peer to peer if a...

  • Page 51

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 51 (67) 12.6.5 pre dcd the pre dcd specifies during how long time the dcd signal shall be active before the pdr transmits the serial message to the connected device. See chapter 9.4. 12.6.6 post dcd the post dcd specifies during ho...

  • Page 52

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 52 (67) 12.7.7 receiver test receiver test activates the radio receiver. This function is mostly used for testing the radio receiver during production or service. 12.7.8 transmitter test transmitter test activates the radio transmi...

  • Page 53

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 53 (67) 12.8.4 split tx uplink this feature can be enabled on the slave radio units adjacent to the master radio site to gain a split uplink network. If enabled, the radio will transmit on one frequency to the master (uplink) and o...

  • Page 54

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 54 (67) 12.8.12 system frequency change this feature changes the radio network frequency remotely to all radio units on the network. See chapter 8.4 for detailed description. 12.8.12.1 split uplink frequency the system frequency ch...

  • Page 55

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 55 (67) 12.9 list configuration list configuration displays the configured radio network and all configurable parameters. This listing can be saved to file for documentation. 12.10 default configuration the example below shows the ...

  • Page 56

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 56 (67) 13 configuration examples note! The differences in radio network menu configuration between the protocols is due to different rtu address content. The dnp3 protocol messages contain both source and destination adresses, (co...

  • Page 57

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 57 (67) 13.2 network menu configurations – dnp3 the master radio network menu shall contain the remote dnp3 rtu addresses; the radio id connected to the rtu and eventual repeater radio id’s. The slave radio network menus shall cont...

  • Page 58

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 58 (67) 13.3 network menu configurations – iec870 / rp570 the master radio network menu shall contain the remote iec870 / rp570 rtu addresses; the radio id connected to the rtu and eventual repeater radio id’s. The slave radio netw...

  • Page 59

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 59 (67) 13.4 network menu configurations – comli the master radio network menu shall contain the remote comli rtu addresses; the radio id connected to the rtu and eventual repeater radio id’s. The slave radio network menus shall co...

  • Page 60

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 60 (67) 14 radio test functions 14.1 bit error rate test this function tests the connection data quality directly between two radios without repeater radios in the radio system. The attenuator att-4 is serially connected to the rad...

  • Page 61

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 61 (67) figure 10 describes a bit error rate test between the master and the slave with the identity 11. Bit error rate tests can be carried out between all radio types. Bit error rate test attenuator detected radio id: 02 uuuuuuuu...

  • Page 62

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 62 (67) 14.2 communication test the communication test is used to test complete communication path between two radio units in the network. Five attempts are carried out per test. If acknowledge is received from the opposite radio, ...

  • Page 63

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 63 (67) 14.3 radio link test the radio link test is used to check the rssi levels (received signal strength indication) and the tx power levels of the radios on a chosen link in the radio network. Radio link test radio id : 01 down...

  • Page 64

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 64 (67) 15 trouble shooting 15.1 trouble shooting the pdr if installed according to [ 1 ] and chapter 4 in this description together with system specific documents, the radio system shall work satisfactory. However, if problems sho...

  • Page 65

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 65 (67) 16 education and user feedback 16.1 product education it may be difficult in the beginning to become a user of a highly complex radio system, but please let us help you to speed-up the learning process. Radius offers variou...

  • Page 66

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 66 (67) appendixa – pdr 121 layout drawing.

  • Page 67

    Radius product description pdr 121 iom_pdr121_04_r02.Doc rev 02 page 67 (67) references reference document description [ 1 ] antennas antenna equipment - installation description [ 2 ] maintman maintenance manual [ 3 ] [ 4 ].