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DATA-LINC GROUP

37

DDAA1000/SRM User Guide

PN 161-09981-002C

rev 8/04

SubNet ID
The DDAA1000/SRM series modems offer a SubNet ID system for use in multi-point networks using Network ID. This feature
allows the users to dictate what path a given repeater or remote will use to achieve a link to the network master. For
example, if a remote modem in a given network has line of sight to the network master and one or more repeaters, but only
one repeater is close to that remote, SubNet ID can be used to link that master with the proper repeater only.

Note: This feature can only be used in networks using Network ID with one or more repeaters.

There are two components to SubNet ID. The first is the Xmit (transmit) SubNet ID, and the second is Rcv (receive) SubNet
ID. The Xmit SubNet ID is used only by repeaters and is the ID that a repeater sends out when sending data to other
repeaters or remotes. The Rcv SubNet ID is the ID that repeaters or remotes look for to receive data.

Note: The master is not affected by these settings. Only repeaters and remotes use these settings. Remotes only
use Rcv SubNet ID

Modem configurations are as follows:

Master

No setting used

Repeaters

Any repeater that should be linked directly to the master should have the Rcv SubNet ID set to 0. Any
repeater using another repeater as its link, needs the Rcv SubNet ID set to the Xmit SubNet ID of that
repeater. The Xmit SubNet ID can be set to anything from 1 to E.

Remotes

Any remote that should be linked directly to the master should have the Rcv SubNet ID set to 0. Any
remote using a repeater as its link should have the Rcv SubNet ID set to the Xmit SubNet ID of that
repeater

Main Menu Option (8): Password

Caution: If the password feature is enabled and you want cannot remember the password, the radio modem will
have to be returned to Data-Linc Group to have the password disabled. Use with caution.

Option (8) in the Main Menu allows the user to set a password, which will prevent unauthorized users to change the
configuration of the modem.

Setting a Password
To enable the Password feature choose (8) from the Main Menu. You will be prompted with “New PW?” (<esc> to exit)

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Содержание DDAA1000/SRM

Страница 1: ...NDUSTRIAL D ATA C OMMUNICATIONS It is essential that all instructions contained in the User Guide are followed precisely to ensure proper operation of equipment Discrete Analog Wireless Multiplexer D...

Страница 2: ...ul interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following m...

Страница 3: ...Authorization 15 Contact Information 15 AppendixA Enclosure Dimensions 16 Appendix B System Configuration 17 Appendix C Radio Configuration 21 Main Menu Option 0 Set Operation Mode 23 Main Menu Option...

Страница 4: ...DATA LINC GROUP 2 PN 161 09981 002C rev 8 04 DDAA1000 SRM User Guide...

Страница 5: ...master and remote units Each system must have one and only one master and can up to 8 Remotes Both the DDAA1000 and the DD1000 take an input at one end and reproduce it at the other end The Master uni...

Страница 6: ...n o s e h s a l F D E L r e w o P s u t a t S n o s y a t s r o s e h s a l f D E L y l r e p o r p g n i k r o w s i n o i t a c i n u m m o c n e h w f f o e b l l i w D E L s u t a t s e h T y l n...

Страница 7: ...DC 4 Each digital output can sink up to 100 mA for the purpose of controlling the relay coil 5 If driving inductive loads place a voltage suppression diode across the relay coil 6 There is one common...

Страница 8: ...sing a contact at the Remote unit using a discrete output Point to point discrete operations are bi directional An input on the Remote will activate same numbered output on the Master A contact closur...

Страница 9: ...e are more remote inputs than master outputs the contact closures at the Remote inputs are OR d at the Masters outputs The closure of any Remote input will cause the Master output to be On sinking cur...

Страница 10: ...nal Point to Point Analog System These units are bi directional they send and receive analog information both directions The following is a common example of analog use for the DDAA1000 SRM units Agai...

Страница 11: ...PN 161 09981 002C rev 8 04 Figure 7 Connection of a flow meter to the DDAA1000 SRM unit Flow Meter 4 20mA Out In from Sensor B A Pwr 4 20mA Input 4 20mA Output G 1 2 3 4 5 6 7 8 G 1 2 3 4 5 6 7 8 12 2...

Страница 12: ...er Data Linc Group supervision Factory Configuration Process At the factory each remote unit is given an address which is zero 0 to seven 7 Each unit is then programmed for a specific number of analog...

Страница 13: ...tput two Figure 8 Point to Multipoint Analog Example Pwr 4 20mA Input 4 20mA Output G 1 2 3 4 5 6 7 8 G 1 2 3 4 5 6 7 8 Pwr 4 20mA Input 4 20mA Output G 1 2 3 4 5 6 7 8 G 1 2 3 4 5 6 7 8 mA 13 7 mA Se...

Страница 14: ...nector P3 These jumper settings must be returned to the RUN RF settings after reconfiguring the system or the radio or the units will not operate See layout drawing There are 4 configurations of the j...

Страница 15: ...tter with a maximum output load of 300 ohms Discrete Open collector outputs which can handle up to 24V and can sink up to 100 mA for controlling relay coil Temperature 32o to 140o F 0o to 60o C Power...

Страница 16: ...communication Try cycling power on either of the units the resettable fuse may have tripped If communications do not come up again verify that there is power to the device The supplied wall transform...

Страница 17: ...erial and workmanship for one year from date of shipment to original user Data Linc Group will replace or repair at our option any part found to be defective Buyer must return any part claimed defecti...

Страница 18: ...nsions TOP 4 20mA OUTPUT PWR STATUS CONTACT CLOSURE INPUT 8 7 6 5 4 3 2 1 G CONTACT CLOSURE OUTPUT 8 7 6 5 4 3 2 1 G 4 20mA INPUT DATA LINC GROUP 425 882 2206 DDAA1000 SRM M Rx CD Tx 6 85 G 1 2 3 4 5...

Страница 19: ...he system memory Setting any of the system configuration parameters wrong will make a broken system To access the system configurations the user must remove all connectors from the DDAA1000 DD1000 the...

Страница 20: ...commands containing the system parameters that are sent and received by the DDAA1000 DD1000 units Repeat this procedure once for each Master and once for each Remote in the system Make sure you chang...

Страница 21: ...ick on the EXIT button at the lower right corner of the window If you lost the program DDAAEEprom exe either contact Data Linc Group service for a new copy or you can use a terminal program such as Hy...

Страница 22: ...e as the numbers entered in step 6 above 9 The display now asks for number of analog outputs at the Master unit 0 8 MstrDA This number is the same as entered in step 7 above 10 The display now prints...

Страница 23: ...connector P3 See Figure 10 PCB layout drawing Appendix B To access the radio configuration menu set the P1 and P2 jumpers as shown on the PCB layout drawing Appendix B Use the CONFIG RF selection as s...

Страница 24: ...ID number and firmware version The user selects the parameter group by pressing a single key The next level menu is then displayed Select the parameters you want to change with a single keystroke Now...

Страница 25: ...configuration When designated as a master in point to point mode the radio modem will call any or all remotes it is instructed to call in the call book The master determines the settings used for all...

Страница 26: ...D1000 If a repeater is need in the system do not use a DDAA1000 DD1000 If and extended range of non line of sight situation exists use the Data Linc Group SRM6000 radio modem as a repeater When design...

Страница 27: ...t be set to 57 600 or 115 200 In general it is desirable to set the baud rate to the highest level supported by the device to which it is connected However please note that this may actually result in...

Страница 28: ...n the Remote s Call Book 2 The call book number for the remote must be listed in the master s Call Book 3 The master must be programmed to call the remote As shown in figure 3 the Call Book allows use...

Страница 29: ...ster is instructed to Call All available remotes it will call all remotes listed until it reaches the first number of 000 0000 If a valid call book number is entered after the all zero number it will...

Страница 30: ...0 FreqKey Selection 0 in the Radio Parameters menu allows the user to modify the hopping patterns of the radio modems to minimize the interference with other Data Linc Group radios in operation in th...

Страница 31: ...3 1 8 4 1 4 6 1 4 4 2 0 4 6 5 2 7 8 8 4 0 1 0 2 1 6 3 1 2 5 1 8 6 1 5 8 2 4 4 0 6 6 7 2 9 8 0 1 4 2 1 0 4 1 6 5 1 2 7 1 6 2 3 8 4 4 6 0 8 6 9 2 1 1 8 2 1 4 4 1 0 6 1 6 7 1 7 6 3 2 5 8 6 4 8 0 0 1 6 1...

Страница 32: ...t Transmit Rate 1 Transmit Rate 0 is useful to qualitatively gauge signal strength When set to Transmit Rate 0 the radio modems will transmit data back and forth continuously and the strength of the s...

Страница 33: ...ty is disabled As mentioned in mode 6 Remote Security must be set to 1 when the unit is operating in a point to point system where it may need to accept calls from more than 10 different DDAA1000 SRMs...

Страница 34: ...radio noise and interference With a setting of 1 the rejection of interference is improved at the cost of reduced range and or throughput B MCU speed Use this menu to set the speed of the MCU processo...

Страница 35: ...d with bandpass filters antenna placement or antenna polarization Please contact Data Linc Group for more information Average Signal Level The average signal level indicates the level of received sign...

Страница 36: ...ference problems or loss of DC power to the Master or Repeater if one is present Note a remote and or repeater will record a disconnect if the system master is placed into configuration mode or has po...

Страница 37: ...tted once to 9 the packet is repeated 9 times For networks with solid RF links this parameter would be set at the lower end of the scale 0 1 If the network has some weak or marginal links it would be...

Страница 38: ...multi point master or repeater heard with the same NetWork ID When the NetWork ID is used multi point masters and repeaters may be replaced without reprogramming all of the remotes in the network In a...

Страница 39: ...ata Note The master is not affected by these settings Only repeaters and remotes use these settings Remotes only use Rcv SubNet ID Modem configurations are as follows Master No setting used Repeaters...

Страница 40: ...ossible to change to a new password To enter a new password select 8 from the Main Menu You will be prompted with Enter Security Code Enter the current password Once the password has been entered corr...

Страница 41: ...achines and other similar equipment To improve the data link Data Linc Group offers directional and omni directional antennas with cable lengths ranging from 10 to 200 feet When using an external ante...

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