Data-Linc Group DD1000/SRM User Manual Download Page 4 | Manualshive

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DATA-LINC GROUP

2

PN 161-09981-002C

rev 8/04

DDAA1000/SRM User Guide

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Summary of Contents for DD1000/SRM

Page 1: ...I 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 DDAA1000 SRM ...

Page 2: ...ful 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 measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiv...

Page 3: ...lAuthorization 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 1 Set Baud Rate 25 Main Menu Option 2 Edit Call Book 26 Main Menu Option 3 Edit Radio Transmission Characteristics 28 Main Menu Option 4 Show Radio Statistics 33 Main Menu Option 5 Edit Multi Point ...

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

Page 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 unit has a possible total of 8 discrete inputs 8 discrete relay drive outputs The Master has eight 4 20 mA inputs and eight 4 20 mA outputs When designing a system that use these units keep in mind that...

Page 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 o t i n u r e t s a M s t s i x e m e l b o r p n o i t a c i n u m m o c a n e h w y l i d a e t s e p y T n i o t c e n n o C a n n e t n A e p y T d a e r h T d a e r h T d r a d n a t S r e d n e...

Page 7: ...VDC 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 ground for all input and output connections Connections The discrete connection to the device is made via the terminals labeled Contact Closure Input and Contact Closure Output The digital input expe...

Page 8: ...osing 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 closure on an input of the Master will close the output on the Remote on the same contact Figure 4 Point to Point Discrete Operation Example Contact Closure Input Contact Closure Outp ut 8 7 6 5 4 3 2 1 G ...

Page 9: ...re 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 current If any Remote input is closed the Master output will be On for that position For the Master output to be Off all Remote inputs must be open Off Figure 5 Point to Multipoint Discrete Operation Ex...

Page 10: ...gnal 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 Again the Master s input corresponds to the same numbered output on the Remote and vice versa The 8 Master inputs match the 8 Remote outputs and the 8 Remote inputs match the 8 Master outputs Figure 6 Po...

Page 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 24 VDC Supply Loop Pow er Master or Remote ...

Page 12: ...der 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 inputs and outputs which should to be predetermined prior to sale Also consider if the system is to be expended in the future Note that any system will have one Master and a maximum of 8 Remotes Lim...

Page 13: ...utput 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 Sensor with 4 20 mA Output 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 Sensor with 4 20 mA Output O u tp u t fr o m R e m o te 0 O u tp u t fr o m R e m o te 1 Master Remote 0 Re...

Page 14: ...nnector 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 jumpers 1 RUN RF Normal DDAA 1000 and DD1000 SRM operations 2 CONFIG RF Serial port P3 to PC computer to access the radio parameters 3 CONFIG PIC To reprogram the system configuration setup memory 4 R...

Page 15: ...etter 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 10 5 18 VDC Maximum current draw is 660 mA RF Specifications Spread spectrum frequency hopping Modulation GFSK Frequency Range 902 928 MHz Channel Spacing 230 4 kHz Error Detection 32 bit CRC Operati...

Page 16: ...o 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 transformer output is nominally around 18 VDC when the radio is not transmitting and drops to 12 VDC when the transmitter is on If the supply is okay and cycling power does not fix the problem contact Data Li...

Page 17: ...terial 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 defective to Data Linc Group transportation prepaid Return Material Authorization If a part needs to be sent to the factory for repair contact Data Linc Group s corporate office and request a Return Materia...

Page 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 6 7 8 G 1 2 3 4 5 6 7 8 POWER 5 655 4 065 3 935 4 80 approx SIDE Ø 0 19 3 18 6 35 1 80 1 725 1 65 ...

Page 19: ...the 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 remove the cover and change a set of jumpers at location P1 and P2 and add a serial data cable SRM6200E SLC available from Data Linc Group to connector P3 See Figure 10 PCB layout drawing Use the CO...

Page 20: ...l 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 change the address for each Remote Each time the program finished making an EEprom and if a printer is connected to the computer you can click on the PRINT button on the lower right corner to make a recor...

Page 21: ...lick 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 Hyper terminal with port settings of 9600 baud 8 data bits no parity and one stop bit This process requires a very good understanding of how the units work internally or help from Data Linc Group Techn...

Page 22: ...me 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 out a status of your entries Write these down and keep for use when you call Data Linc Group technical support Note the first line may say Master or Slave Remote Review the settings The EEprom has be...

Page 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 shown on the PCB drawing The dark lines represent the three small jumpers Then insert the Data Linc Group serial cable into connector P3 located next to the power connector Attach the serial cable to ...

Page 24: ...e 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 you can enter the parameter or data value To return to the previous menu press the ESC escape key When done making changes press the ESC key at least 3 times Figure 11 Main Menu ...

Page 25: ...e 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 Radio Transmission Characteristics regardless of the settings in the remotes and or repeaters 1 Point to Point Remote When set up as a point to point remote a DDAA1000 SRM will communicate with any ...

Page 26: ...DD1000 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 designated as a repeater a radio modem behaves as a pass through link All settings for the call book baud rates and radio transmission characteristics are disabled A repeater will connect with any master t...

Page 27: ...ht 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 slower data communications if the UART chipset of the connected device does not support higher data rates The DDAA DD1000 use 8 Data Bits no Parity 1 Stop bit only Do not change These settings are n...

Page 28: ...in 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 users to set up a list of up to 10 DDAA1000 SRMs to communicate with Designate up to 2 repeaters to be used in communicating with a given radio modem and tell the master which remote to call To direct t...

Page 29: ...aster 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 not be recognized as a valid number to be called by the master Edit Call Book in Multi Point Systems In a multi point system the remotes and repeaters are not listed in the master s Call Book When es...

Page 30: ...n 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 the area For instance if there were 10 pairs of Data Linc Group radios in operation within a factory or refinery changing the Frequency Key would ensure that they would not jump onto the same frequenci...

Page 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 1 2 3 1 8 4 1 4 6 1 0 8 1 8 0 4 6 5 2 7 8 8 4 0 1 0 4 1 6 3 1 2 5 1 8 6 1 4 8 1 9 4 4 0 6 6 7 2 9 8 0 1 4 2 1 0 4 1 6 5 1 2 7 1 8 8 1 Minimum Setting g n i t t e S e z i S t e k c a P n i M 2 e t a R...

Page 32: ...at 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 signal may be gauged by viewing the Show Radio Statistics option Due to the fact that the radio modems transmit continuously when Transmit Rate is set to 0 whether or not they have data to send they u...

Page 33: ...ity 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 However it is important to note that when Remote Security is set to 1 the radio modem will accept calls from any other DDAA1000 SRM and additional system security measures should be taken to prevent...

Page 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 processor in the modem Note Only needed when the DDAA1000 SRM is set to 115 2K baud But the DDAA1000 SRM is limited to 19 2K baud g n i t t e S n o i t p i r c s e D s e t o N 0 d e e p s w o L n o i t p m u...

Page 35: ...ed 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 signal at this modem and at each of the modems used as repeaters in the link For each of these the signal source is the modem that transmits to it The number is an average of the received signal levels m...

Page 36: ...rference 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 power interrupted while the remote and or repeater is linked to the master Radio Temperature The radio temperature value is the current operating temperature of the radio in degrees C Celsius For prope...

Page 37: ...itted 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 set toward the higher values If a remote receives a packet from a master more than once it will discard the repeated packets received While packets transmitted from the master to the remotes in a mul...

Page 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 addition this allows a remote to establish communications with different masters though not at the same time without having the call book numbers in the Call Book This is very useful in mobile multi p...

Page 39: ...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 t...

Page 40: ...possible 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 correctly it is case sensitive you will be prompted to enter the new password At any point this process may be cancelled by pressing escape Disabling Password The process to disable the password is simil...

Page 41: ...machines 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 antenna placement of that antenna is critical to a solid data link Other antennas in close proximity are a potential source of interference It is also possible that slight adjustments in antenna placemen...

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