Data-Linc Group SRM6200E-SLC Скачать руководство пользователя страница 24 | Manualshive

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DATA-LINC GROUP

22

PN 161-09990-002C

rev 3/29/04

SRM6200E-SLC User’s Guide

SRM6200E-SLC Location Selection

Placement of your SRM6200E-SLC is likely to have a significant impact on its performance. In general, the rule of thumb with
the SRM6200E-SLC is that the higher the placement of the antenna the better the communication. In practice you should
also place the radio modem itself away from computers, telephones, answering 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
250 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 placement (as little as 2 feet) will
solve noise problems. In extreme cases, such as when the radio modem is located close to pager or cellular telephone
transmission towers, Data-Linc offers a band pass filter to reduce the out of band noise.

Using an External Antenna

In certain circumstances it may be desirable to extend the range of the SRM6200E-SLC radio modem by using an external
antenna in place of the standard whip antenna. The radio modem is equipped with a standard SMA external jack. This allows
the use of a directional Yagi or omni directional antennae kits provided by Data-Linc Group.

The use of an external antenna may radically improve the results obtained with SRM6200E-SLC radio modems. It is
imperative to obtain line-of-sight with the antennas, and changes in placement height of as few as a couple of feet may make
the difference between no link and one that is solid and reliable.

Data-Linc Group offers a variety of omni directional and directional external antennae, with both bracket and magnetic
mounts. These antennas allow versatility in the SRM6200E-SLC’s deployment, extending its range and allowing it to get
around obstructions.

If external directional antennas are used, FCC regulations concerning effective radiated power limitations must be followed.

Caution: Any antenna placed outdoors must be properly grounded. It is required by FCC regulations that qualified
personnel experienced in antenna installation and familiar with local codes and regulations complete the antenna
installation. It is also required by FCC regulations that only approved antennas be used. Use extreme caution when
installing antennae and follow all instructions included with the antennas.

The use of external antennae subjects the radio modem to greater exposure to direct lightning strikes. It is strongly
recommended that a lightning arrestor be used on all outdoor antenna installations.

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Содержание SRM6200E-SLC

Страница 1: ...AL D ATA C OMMUNICATIONS It is essential that all instructions contained in the User Guide are followed precisely to ensure proper operation of equipment SRM6200E SLC Frequency Hopping Spread Spectrum Ethernet Radio Modem ...

Страница 2: ...nterference 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 receiver is...

Страница 3: ...n 2 Edit Call Book 10 Main Menu Option 3 Edit Radio Transmission Characteristics 12 Main Menu Option 4 Show Radio Statistics 16 Main Menu Option 5 Edit Multi Point Parameters 18 Main Menu Option 8 Password 21 Modem Location 22 Using an External Antenna 22 Modem Front Panel LED s 23 Sample Data Communication Links 25 Technical Specifications 27 Troubleshooting 28 Technical Support 29 Return Materia...

Страница 4: ...DATA LINC GROUP 2 PN 161 09990 002C rev 3 29 04 SRM6200E SLC User s Guide ...

Страница 5: ...r point to point or multi point operation with an unlimited number of remote sites on a single master depending on data throughput requirements Repeaters can be used in the system to extend range and eliminate dead RF zones that are blocked by obstructions An external antenna can be used with up to two hundred feet of coax This provides a boost in signal strength and decreases induced noise levels...

Страница 6: ...ly has been included for bench testing purposes SRM6200E SLC 24V is a 24VDC powered device that is designed to take 24VDC in on the removable screw terminal connector on the front panel please note the polarity positive side marked on the top if you are supplying your own power Locate the modem labeled Master and connect its power supply to an appropriate 120VAC power source then connect it to the...

Страница 7: ...nded that a Ping test be done at this point This can be done in either direction but remember that only a Master to Remote or Remote to Master connection can be established through the modems Also note that because of the MAC filtering done by the modems if you take a piece of Ethernet equipment on one side of the SRM6200E SLC network and move it to the other side of said network you must power do...

Страница 8: ...0E SLC is factory set to perform MAC level filtering This means that it learns all the MAC addresses from the LAN it is connected to and only forwards data packets across the radio links which are destined for addresses located across the radio link The MAC filtering function is enabled by setting switch SW2 Diagram 3 pg 24 to the on position The MAC address table can store up to 10 000 addresses ...

Страница 9: ...ndows 2000 application HyperTerminal Note When using HyperTerminal set Handshaking to none and use a standard straight through cable If you are using something other than HyperTerminal it may be necessary to use a cable that has pins 4 and 6 connected together on the modem side of the cable Contact Data Linc for further information Table 1 Terminal Settings When the setup program is invoked the RF...

Страница 10: ...figuration 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 except power regardless of the settings in the remotes and or repeaters 1 Point to Point Remote When set up as a point to point remote an SRM6200E SLC will communicate ...

Страница 11: ...epeater SRM6200E SLC radio modems allow the use of up to two repeaters in a communications link significantly extending the operating range 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 that calls it the repeater must still be set up in ...

Страница 12: ...isted 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 SRM6200E SLCs 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 di...

Страница 13: ...when a master is instructed to Call All available remotes it will call all remotes listed until it reaches the 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 ...

Страница 14: ...guration 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 SRM6200E SLC radio modems in operation in the area For instance if there were 10 pairs of SRM6200E SLCs in operation within a factory or refinery changing the Frequency Key would ensure that they would not jump onto the same frequenc...

Страница 15: ...ngs where RF Data Rate 3 0 1 2 3 4 5 6 7 8 9 0 8 4 2 0 4 6 5 2 7 8 8 4 0 1 0 2 1 6 3 1 2 5 1 1 2 1 8 2 4 4 0 6 6 7 2 9 8 0 1 4 2 1 0 4 1 6 5 1 2 6 1 2 3 8 4 4 6 0 8 6 9 2 1 1 8 2 1 4 4 1 0 6 1 3 0 2 6 3 2 5 8 6 4 8 0 0 1 6 1 1 2 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...

Страница 16: ... 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 use radio frequency spectrum unnecessarily Therefore Transmit Rate 0 should be used only ...

Страница 17: ... setting is not applicable to the SRM6200E SLC and should not be changed from the factory setting the factory setting is 0 8 Retry Time Out The Retry Time Out parameter allows the use to determine when a remote will drop a connection to a master or repeater in multi point mode The default setting is 255 meaning that if one packet in 255 from the Master is sent successfully to the Remote it will ma...

Страница 18: ...ved 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 ...

Страница 19: ... simultaneously be in communication with numerous remotes In its simplest form a multi point network functions with the Master broadcasting its messages to all remotes and the Remotes responding to the Master as appropriate Traditionally a multi point network is used in applications where data is collected from many instruments and reported back to one central site As such the architecture of such...

Страница 20: ...acknowledgments from the Remotes Because the transmission is not acknowledged by the Remotes 100 confidence does not exist that every remote has received every message from the Master To address this issue the user may modify option 1 Master Packet Repeat assigning a value between 0 the packet is transmitted once to 9 the packet is repeated 9 times For networks with solid RF links this parameter w...

Страница 21: ...multi point network will communicate with the first 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 ...

Страница 22: ...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 Diagram 1 Rcv 0 Xmit not set Remote 1 LAN Link In Out Coll RF Power Link Out In Power Ethernet Radio Modem Res...

Страница 23: ... password that you have chosen is displayed on the line above please note that the password is case sensitive To quit the process and not enable the password press escape Changing a Password Once the password feature has been enabled it is 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 passwor...

Страница 24: ...dio modem is equipped with a standard SMA external jack This allows the use of a directional Yagi or omni directional antennae kits provided by Data Linc Group The use of an external antenna may radically improve the results obtained with SRM6200E SLC radio modems It is imperative to obtain line of sight with the antennas and changes in placement height of as few as a couple of feet may make the d...

Страница 25: ...Male Socket R2 DB9 Female 5 3 2 1 2 1 3 6 5 s D E L N A L n o i t c n u F k n i L m e d o m o t k n i l N A L s e t a c i d n I n I a t a d t e n r e h t E g n i m o c n i s e t a c i d n I t u O a t a d t e n r e h t E g n i o g t u o s e t a c i d n I l l o C n i o i s i l l o c t e n r e h t E n a s e t a c i d n I s D E L F R n o i t c n u F r e w o P m e d o m e h t o t r e w o p s e t a c i ...

Страница 26: ...ramming cable Wide Range Module 24v Module 1 Compr 2 Filter 3 Accm 4 Baud 2 5 Baud 1 6 Baud 0 COPYRIGHT 2002 U2 U6 C3 C7 D1 C1 C26 U3 C4 C6 U4 U5 SW1 VR1 C28 RN2 R2 C2 C8 C5 R17 L5 L6 C32 X2 P6 P5 LED1 C20 T1 LED2 SW2 R1 X1 R7 R6 U1 L1 R5 R3 SW3 C14 P2 C9 RN1 P1 C22 R4 C10 LED3 C33 C16 C21 C15 P3 C24 R16 DP4 DP1 C12 C18 DP3 P4 L3 C23 DP2 R9 R8 R11 R10 R12 C17 R14 R13 R15 C19 C11 C13 L2 L4 C34 C25 ...

Страница 27: ...s not further reduce the throughput however it does increase the latency Point to Point Master Point to Point Repeater Point to Point Remote Workstation LAN Link In Out Coll RF Power Link Out In Power Ethernet Radio Modem Reset Confg V V 10 to 28 VDC 10BaseT Use A or B for Lan Link Radio Configuration OE A B ALLEN BRADLEY SLC5 0X CPU FORCE RS232 RUN FLT BATT RUN REM PROG A N T A N T 10 Base T SRM6...

Страница 28: ...ese t C on fg V V 10 to 28 VDC 10BaseT U se A or B for Lan Link R adio C onfiguration OE A B ALLEN BRADLEY SLC5 0X CPU FO RCE RS 232 RUN FLT BA TT RUN RE M P ROG A N T A N T 10 Base T SRM6200E SLC Pow er RF Carrier RF Out RF In A N T A N T Lan Link Lan In Lan Out Collision Buffer Config Port Power DA TA LINC GROUP 425 882 2206 R C ALLEN BRADLEY SLC 5 0X CPU FORCE RS232 RUN FLT B A TT RUN REM P RO ...

Страница 29: ...4 4 1 e g n a R F R t h g i s f o e n i l h t i w m k 0 4 s e l i m 5 2 d e t a R t h g i s f o e n i l h t i w m k 6 5 s e l i m 5 3 0 2 e s i o n l a n g i s s n o i t i d n o c l a m i t p o r e d n u r e w o p t u p t u o F R s t n e m e r c n i t t a w 1 0 n o e l b a t c e l e s t t a W 0 1 o t 1 0 t u p h g u o r h T a t a D m u m i x a M e d o m t n i o p o t t n i o p n i s p b k 0 1 1 r ...

Страница 30: ...lti point mode yet they are not establishing contact In a multi point system there are two critical parameters which must be set correctly to establish a communications link 1 The Remote s Call Book must contain the Call Book Number or Network ID of the Master and or Repeater s to which it will be communicating 2 All radios must be set to run at the same RF data rate Remote modems must match the M...

Страница 31: ... material 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 Mate...

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