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RS-232 

Connector

 

DB9F DCE

 

Data bit; Parity; Stop bit 

7, 8; no parity, even, odd; 1 

RS-485/422 

Connector

 

Terminal block; 

2 or 4 

wire: ITX+, TX

-

, RX+, RX

-

, GND (selectable)

 

Terminal 

block; 2 or 4 wire: ITX+,

 

TX

-

, RX+, RX

-

, GND (selectable)

 

Data bit; Parity; Stop bit 

7, 8; no parity, even, odd; 1 

Software 

OS Support

 

Microsoft Windows XP (SP2) or Windows 7

 

Configuration

 

EasySet - 

Configuration Tool Included

 

 

 

 

SNAP Link

 

27

 

Содержание SNAP Link

Страница 1: ...ices 2008 2014 Synapse All Rights Reserved All Synapse products are patent pending Synapse the Synapse logo SNAP and Portal are all registered trademarks of Synapse Wireless Inc Doc 600038 01D 6723 Od...

Страница 2: ...verning any code samples presented in this Manual Redistribution of code and use in source and binary forms with or without modi cation are permitted provided that it retains the copyright notice oper...

Страница 3: ...nnect a SNAP Link Device 8 Selecting Basic Communications Settings 9 4 Configuring your Adaptor using the DIP Switches 15 DIP Switch 1 15 DIP Switch 2 16 5 Application Usage Scenarios 17 Scenario 1 Ca...

Страница 4: ......

Страница 5: ...se Network Application Protocol instant on self healing mesh network operating system Available with wireless data rates up to 2 Mbps Supports wireless RS 232 RS 422 and RS 485 transparent serial data...

Страница 6: ...irmware refers to a Modbus protocol reliability script that can be uploaded to a SNAP Link model using EasySet software V1 2 2 or higher Download Supporting Materials Documentation pertaining to SNAP...

Страница 7: ...e back panel between the micro B USB and serial connectors Set from the factory these three LEDs communicate various con guration settings or tra c status events as documented next unless the Modbus r...

Страница 8: ...st state remove power hold down the MODE button then reapply power After 5 seconds when all LEDs are rapidly ashing green amber red release the MODE button The B LED will be green signifying power The...

Страница 9: ...ultipoint mode altogether If the unit was previously set up as a master rst back out by following the procedure above Then press and hold the MODE button again for at least 5 seconds until LED A glows...

Страница 10: ...hed The factory default is set to 2 wire but can be changed using the DIP switches located on the circuit board inside the adapter case See the chapter Con guring your Adaptor using the DIP Switches f...

Страница 11: ...he Synapse Wireless website at synapse wireless com documents apps EasySet setup exe After downloading the software launch the installer to guide you through the installation process Installing EasySe...

Страница 12: ...auses EasySet to make a quick connectivity test to the attached SNAP Link device Refresh Node Information causes EasySet to poll the attached SNAP Link device for con guration information Upload SNAPp...

Страница 13: ...is the SNAP Link adapter type either RS 232 or RS 485 422 To the right of that is the adapter s MAC media access control address The same address is also printed on a label on the bottom of the device...

Страница 14: ...om 0 to 115 200 While K series adapters can send chunks of data in bursts up to 115 200 they safely sustain a maximum of 19 200 baud M series adapter can sustain large data transfers at speeds up to 1...

Страница 15: ...his initial one hop discovery fails By setting this parameter to zero 0 you are telling the SNAP Link attached adapter to attempt sending a packet directly to the address rst before seeing if there is...

Страница 16: ...or rebroadcast transmissions in order for all Clients to receive and transmit their information Mesh Mesh Defaults Mesh Routing Settings Mesh These are the default parameters when you select Mesh fro...

Страница 17: ...and the maximum is 123 bytes Values over 100 are not recommended as they could result in bu er overrun Bu ering Threshold causes bu ered data to be sent whenever the threshold is reached However trig...

Страница 18: ...Pair Unit is in point to point mode and is looking for another unit with which to pair Paired Unit is in point to point mode and has been paired with another Address of Pair When paired this will be t...

Страница 19: ...e DIP switches were last used to change the con guration The general rule is the last method used to change the settings is the one that takes precedence SL232 has a set of 8 internal switches that se...

Страница 20: ...he device for 2 wire or 4 wire operation Note that 2 wire is always half duplex and 4 wire can be switched between half or full duplex RS 422 is always 4 wire full duplex Switch 1 2 3 4 5 6 2 Wire Hal...

Страница 21: ...d frequently to reduce latency Suggested parameters are Bu ering Timeout 0 turns this timer o In this case we ll let the threshold and inter character timer take care of ushing the bu er Bu ering Thre...

Страница 22: ...ould work and at 115 200 baud around 5 milliseconds should su ce Bu ering Threshold Set this value to 90 to allow the larger packets to bu er 75 bytes plus 15 bytes for the unicast header The Bu ering...

Страница 23: ...interference problems Try moving the units physically to another usable location to see if signal strength improves Try changing the channel of each device There are 16 separate channels 0 15 spread w...

Страница 24: ...n rm your serial communication settings in EasySet with those of your serial device Premature sending of packets holding on to packets for too long or just dropped packets try optimizing the UART para...

Страница 25: ...uration my master device shows an amber icker periodically Does this mean it has a weak signal strength Can I determine the signal strength on the master unit No A master s A LED displays a mostly gre...

Страница 26: ...n gured as a DCE It can be connected to a DTE using a straight through cable If you need to connect an SL232 to another DCE device then a null modem adapter or cross over cable will be required See th...

Страница 27: ...d the brackets slid into place There are two mounting brackets one for each side of the SNAP Link box Remove an end panel by unscrewing the 4 screws and removing the panel Slide the brackets into plac...

Страница 28: ...and the waiting period between them Delay between retries The delay between retries is a millisecond timer that counts down after the Master adapter transmits a modbus command Once the transmission o...

Страница 29: ...2 4000 2 4835 GHz Spreading Spectrum Type Direct Sequence DSSS Frequency Control O set Quadrature Phase Shift Keying O QPSK Network Topology Point to Point Paired Point Multipoint Master Slave Transp...

Страница 30: ...educe range Outdoor Range with included antenna Up to 3 miles Line of Sight LoS RF Transmit Power 63 mW 18 dBm Receive ampli er Gain 10 dBm Receiver Sensitivity 102 dBm at 1 packet error rate Features...

Страница 31: ...onnector Terminal block 2 or 4 wire ITX TX RX RX GND selectable Terminal block 2 or 4 wire ITX TX RX RX GND selectable Data bit Parity Stop bit 7 8 no parity even odd 1 Software OS Support Microsoft W...

Страница 32: ...ur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment o and on the user is encouraged to t...

Страница 33: ...certi ed per FCC rules and has been found to meet the FCC Part 15 Emission Limits Documentation is on le and available from Synapse Wireless Inc Industry Canada IC certifications This digital apparat...

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