Omron DDAA1000/SRM manuale d’uso

U SER G UIDE I NDUSTRIAL D ATA C OMMUNICA TIONS 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[...]

DA T A-LINC GROUP PN 161-09981-002C Product User Guide FCC Notification This device complies with part 15 of the FCC rules. Operation is subject to the following conditions: 1 ) This device may not cause harmful interference and 2 ) This device must accept any interference received, including interference that may cause undesired operation. The dev[...]

DA T A-LINC GROUP 1 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 T able of Contents Page Introduction 3 Discrete Operation 5 Analog Operation 8 Changing System or Radio Configurations 12 T echnical S pecifications 13 T roubleshooting 14 T echnical Support 15 Return Material Authorization 15 Contact Information 15 Appendix A Enclosure Dimensio[...]

DA T A-LINC GROUP 2 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide[...]

DA T A-LINC GROUP 3 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Introduction The DDAA1000/SRM and DD1000/SRM are discrete/analog signal multiplexers. They are designed to provide increased communication distance where wire lengths are too long or not possible. In general, these units behave as if they replace a set of wires between the two o[...]

DA T A-LINC GROUP 4 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide T able 1: LED Description Figure 2: Normal User Connection D C . d i l o s n o e b l l i w D E L s i h t k n i L F R n a d e h s i l b a t s e e v a h s t i n u e h t n e h W . D E L t c e t e D r e i r r a C x T . t i n u g n i v i e c e r e h t o t a t a d g n d n e s s i t i [...]

DA T A-LINC GROUP 5 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Discrete Operation Requirements 1. The output s of the units cannot directly drive a relay . The digital output s are open collector current sinking to the common ground. An external power supply must be used to provide DC power to any relays. 2. The maximum voltage on the relay[...]

DA T A-LINC GROUP 6 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Point-to-Point Discrete Operation The following illustrates an example of a point-to-point discrete system. The “Contact Closure Input” may be as simple as a bare wire or be connected to an output of an I/O module. This is an example of turning a lamp at the Master unit by c[...]

DA T A-LINC GROUP 7 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Point-to-Multipoint Discrete Operation A multipoint system will involve two or more remote locations, which may be transmitting contact input information, providing discrete outputs or both. The following is an example of a multipoint configuration. In this example, the Master i[...]

DA T A-LINC GROUP 8 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Analog Operation Specifications 1. This unit does not provide loop power to devices. 2. The outputs can operate on loops with a maximum total resistance of 300 ohms. 3. The resolution of this unit is 8 bits with accuracy of 2%. 4. All inputs use a common ground connection labele[...]

DA T A-LINC GROUP 9 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Figure 7: Connection of a flow meter to the DDAA1000/SRM unit Flow Meter 4- 20 mA O ut In f ro m S en so r B A P w r 4- 2 0m A I n pu t 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[...]

DA T A-LINC GROUP 10 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Point-to-Multipoint Analog System Unlike the discrete versions, the system must be configured for where specific inputs and outputs are directed. Each unit is normally factory configured and designed to interface with the specific system. Alterations to this configuration are p[...]

DA T A-LINC GROUP 11 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Point-to-Multipoint Analog Operation A system is to be built where one analog input exist at one remote and one at another . The maximum possibility of master outputs is eight, so this is a valid configuration. Remote 0 being the first remote in the Master’s poll list will be[...]

DA T A-LINC GROUP 12 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Changing System or Radio Configurations T o access the system or radio setups the user must remove all connectors from the DDAA1000/SRM or DD1000/SRM, then remove the cover and change the jumpers at location P1 and P2, and add a serial data cable (SRM6200E-SLC), supplied by Dat[...]

DA T A-LINC GROUP 13 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 T echnical Specifications Channels DD1000/SRM has 8 discrete inputs and 8 discrete outputs. DDAA1000/SRM has 8 discrete inputs, 8 discrete outputs, 8 analog inputs and 8 analog outputs. Channel Specifications Analog: 2% accuracy or better with a maximum output load of 300 ohms.[...]

DA T A-LINC GROUP 14 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide T roubleshooting I have the units setup on a bench for testing, but the Master’s status LED keeps flashing or is solid and I do not have a carrier . When shipped, the units are setup for a maximum transmit power of 1 watt. If there are only a couple feet of separation between[...]

DA T A-LINC GROUP 15 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 T echnical Support Data-Linc Group maintains a fully trained staff of service personnel who are capable of providing complete product assistance. They can provide you with technical, application and troubleshooting, spare parts and warranty assistance. Our technical staff is ba[...]

DA T A-LINC GROUP 16 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Appendix A Enclosure Dimensions 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 DD A A1 0 00 / S RM / M Rx CD T x 6.85 G 1 2 3 4 5 6 7 8 G 1 2 3 4 5 6 7 8 POWER 5.655 4[...]

DA T A-LINC GROUP 17 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Appendix B Figure 10: PCB Layout DDAA1000 - DD1000 Configuration The system configuration parameters are stored in an EEprom memory . This memory can only be changed by the onboard microprocessor using serial commands via port P3. The easiest method is to use the Data-Linc Grou[...]

DA T A-LINC GROUP 18 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide If you have the Data-Linc Group PC program DDAAEEprom.exe it is designed to run in Windows. Load the program DDAAEEprom.exe into your PC. S tart the program. When the system layout window appears fill in the following information: 1. Select Model DDAA or DD1000 with mouse click[...]

DA T A-LINC GROUP 19 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 The number of analog values received from a remote is the same as the number of analog inputs sent to a remote. If a DDAA remote unit has no analog input/outputs assigned it must have an address(1 to 7) higher than any remote using the analog input. i.e. All remotes using 4-20m[...]

DA T A-LINC GROUP 20 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide 6. The unit will now ask for the number of ADs (analog inputs) on each Remote. ‘#ADsSlv0’. The question is repeated for each Remote unit. ‘#ADsSlv1’.etc. Any units that have no (zero) active analog channels must be put af ter any remotes that do have analog channels. En[...]

DA T A-LINC GROUP 21 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Appendix C Radio Configuration The radio module in the DDAA1000/DD1000 can be set to suit your particular application. All adjustments are done through the built-in setup program, with a user interface that eliminates the need for setup diskettes or custom software. The radio m[...]

DA T A-LINC GROUP 22 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide When the setup program the main menu will appear on the screen. The main menu also displays the radios unique ID number and firmware version. The user select s the parameter group by pressing a single key . The next level menu is then displayed. Select the parameters you want t[...]

DA T A-LINC GROUP 23 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Main Menu Option (0): Set Operation Mode When item (0) is selected, the Operation Mode Menu appears as shown in figure 12. The Operation Mode option is used to designate the method in which the particular DDAA1000/SRM will be used. The DDAA1000/SRM operates in a master to remot[...]

DA T A-LINC GROUP 24 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide (4) Point-to-Point Remote/Repeater Option 4 allows you to designate the radio modem to act as either a remote or a repeater , depending upon the instructions received from the master for the specific communications session. When a radio modem is placed in an ideal location, thi[...]

DA T A-LINC GROUP 25 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Main Menu Option (1): Set Baud Rate When option (1) is selected you will be able to change the radio modem’s RS-232 baud rate. This is the communication rate between the radio modem and the instrument to which it is connected. It is important to note that this is independent [...]

DA T A-LINC GROUP 26 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Main Menu Option (2): Edit Call Book If the DDAA1000/DD1000 system is only two (2) units, one Master and one Remote, then either Point-to-Point or Multipoint modes can be used. If the system has more than one Remote, then Point-to-Multipoint mode must be used. Use of the Call B[...]

DA T A-LINC GROUP 27 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Entering or Modifying Numbers in the Call Book Entering or modifying call book numbers in the Call Book is a straightforward process. When in the Call Book menu, select the entry number (0 – 9) you wish to edit. Y ou will be prompted for the new number (formatting is automati[...]

DA T A-LINC GROUP 28 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Main Menu Option (3): Edit Radio T ransmission Characteristics When option (3) is selected in the main menu the screen in figure 14 appears, which allows the user to modify the radio transmission characteristics of the radio modems. As stated in the warning, these p arameters a[...]

DA T A-LINC GROUP 29 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 T able 4: Minimum Packet Size Settings (bytes) T able 5: Maximum Packet Size Settings where RF Dat a Rate=3 Maximum Setting 0 1 2 3 4 5 6 7 8 9 0 84 20 46 52 78 84 0 10 2 16 3 12 5 1 1 2 18 24 40 66 72 98 0 14 2 10 4 16 5 1 2 6 12 38 44 60 86 92 1 18 2 14 4 10 6 1 3 0 26 32 58 [...]

DA T A-LINC GROUP 30 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide T able 6: Maximum Packet Size Settings where RF Dat a Rate=2 0 1 2 3 4 5 6 7 8 9 0 5 16 38 59 70 0 11 2 13 4 14 6 15 8 16 0 2 1 0 22 43 64 85 0 17 2 18 4 19 6 10 9 12 1 2 2 6 27 48 60 91 1 12 3 13 5 15 7 16 9 17 1 2 3 1 32 54 75 96 1 17 3 19 5 10 8 11 0 22 2 2 4 6 38 59 70 0 11[...]

DA T A-LINC GROUP 31 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 (5) RF Xmit Power The DDAA1000/SRM offers users the ability to modify the Transmission Power of the radio modem. There are 10 power settings available (1-10) which are roughly linear . Therefore a setting of 10 is full power (or 1 W att) and 1 is 10% powe r (or 100 mw). The fol[...]

DA T A-LINC GROUP 32 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide (9) Lowpower Mode For DDAA1000/DD1000 use the user should not change this parameter . Do not enable the low power mode. (A) High Noise Use the menu to indicate if the modem will be operated in an environment with a high degree of radio noise and interference. With a setting of [...]

DA T A-LINC GROUP 33 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Main Menu Option (4): Show Radio St atistics Option (4) in the main menu allows the user to view data transmission statistics, which have been gathered by the T ransceiver during the most recent session. S tatistics are gathered during each data link and are reset when the next[...]

DA T A-LINC GROUP 34 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Number of Disconnects If, during the course of performing a link test, the link between the master and the remote is broken, and the radios lose carrier detect, the occurrence is recorded in the Number of Disconnects value. The value indicates the total number of disconnects th[...]

DA T A-LINC GROUP 35 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 Main Menu Option (5): Edit Multi-Point Parameters Figure 15: Multi-Point Parameters Shown below are example settings. Please refer to supplied configuration sheets for your modem’s configuration. In a multi-point network, it is critical to know how many radio modems are being[...]

DA T A-LINC GROUP 36 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide Another parameter in a multi-point network is (4) DTR Connect . When set at (1), the remote will connect to the master if it is free when the DTR line goes high on the 9-pin RS232 connector . In setting (2), the radio modem will accumulate data in it s buffer and transmit in a [...]

DA T A-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[...]

DA T A-LINC GROUP 38 PN 161-09981-002C rev 8/04 DDAA1000/SRM User Guide T o back out of the process and not enable the password, hit escape. T o set a password, type in exactly 4 characters. At any point in the process you can cancel by hitting the escape key . Once the 4 characters have been entered, you will be prompted with “<enter> to a[...]

DA T A-LINC GROUP 39 DDAA1000/SRM User Guide PN 161-09981-002C rev 8/04 DDAA1000/SRM and DD1000/SRM Placement Locations Placement of your DDAA1000/DD1000 is likely to have a significant impact on its performance. In general, the rule of thumb with the DDAA1000/DD1000 is that the higher the placement of the antenna, the better the communication. In [...]