Synapse SNAPlink User Manual Download

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Table of Contents

Introduction

Download Supporting Materials

Document Conventions

Getting Started

Powering the SNAPlink

Understanding Point-to-Point Mode

Understanding Multipoint Mode

Defaulting to Broadcast State

SNAPlink LED Indicators

Installing and Using the SNAPlink EasySet Software

Installing EasySet

Using EasySet

Connect a SNAPlink Device

Selecting Basic Communications Settings

Configuring Your Adapter Using DIP Switches

DIP Switch 1

DIP Switch 2

Troubleshooting

Signal Strength Problems

Multiple Masters

Can’t Find a Master

Poor Performance

Paired But Not Communicating

Specifications

Pin Outs

Regulatory Information and Certifications

RF Exposure Statement

FCC Certifications and Regulatory Information (USA Only)

Declaration of Conformity

Industry Canada (IC) Certification

Summary of Contents for SNAPlink

Page 1: ... 2008 2017 Synapse Wireless 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 116 081614 031 B000 6723 Odyssey Drive Huntsville AL 35806 877 982 7888 Synapse Wireless com ...

Page 2: ...d these instructions keep these instructions and heed all warnings Instructions This symbol is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance License governing any code samples presented in this Manual Redistribution of code and use in source and binary forms with or without modification are perm...

Page 3: ... Using EasySet 7 Connect a SNAPlink Device 7 Selecting Basic Communications Settings 8 Configuring Your Adapter Using DIP Switches 17 DIP Switch 1 17 DIP Switch 2 19 Troubleshooting 20 Signal Strength Problems 20 Multiple Masters 20 Can t Find a Master 21 Poor Performance 21 Paired But Not Communicating 21 Specifications 22 Pin Outs 25 Regulatory Information and Certifications 27 RF Exposure State...

Page 4: ...ownload the EasySet software from that site allowing you even more configuration and control over your SNAPlink devices Document Conventions Please note the following terminology while reading this document l The term SNAPlink is used to refer to any of the SNAPlink models listed above l The RS 232 models are referred to by their model number SL232 l The RS 485 422 models are referred to by their ...

Page 5: ...te in either point to point mode also known as unicast or in multipoint mode also known as multicast In point to point mode two SNAPlink units are paired thereby providing a wireless connection between two external serial devices To pair a point to point configuration 1 Make sure both devices are powered 2 On one SNAPlink device hold the button for at least 5 seconds until LED A turns red Release ...

Page 6: ...n a 3 second period LED A should switch to a slow flash between green and amber indicating that it is a master unit 3 For each slave SNAPlink device press the button four times within a 3 second period LED A may briefly switch to flashing amber but should quickly go to a solid green indicating that it has found its master If you have an exceptionally noisy RF environment you may find that one or m...

Page 7: ...ultipoint pairing state seeking a multipoint mode master Any multipoint mode slaves that had been pair with this device before its demotion should be re paired with the new multipoint mode master Exiting Multipoint Mode For a SNAPlink device in multipoint pairing state or for a multipoint mode slave device press and hold the MODE button until LED A glows steadily about five seconds to return the d...

Page 8: ...tween red and amber Unit is in multipoint mode and has detected another master on the same channel and network B Solid Green Unit is powered Flickering Green Unit is communicating on the USB port C Solid green An RS 232 device is attached and idle Flickering green An RS 232 device is attached and data is being transferred Off while powered An RS 485 422 device is attached and idle NOTE It may be d...

Page 9: ...s the dip switches on the SNAPlink device If you use EasySet any configurations made with switches must be repeated within the software Installing EasySet Launch the installer and step through the installer process accepting the software license to complete the software installation You will be offered the opportunity to install SNAP USB drivers as shown on this screen These drivers are needed for...

Page 10: ...ity test to the attached SNAPlink device Refresh Node Information causes EasySet to poll the attached SNAPlink device for configuration information Upload SNAPpy Image prompts EasySet to upload the SNAPlink operating software into the attached SNAPlink device This is only necessary on release of new SNAPlink software or if instructed by technical support Connect a SNAPlink Device Connect a SNAPlin...

Page 11: ...ross the top of the window Basic Mesh UART Pairing and Advanced which allow you to match the communications settings of your SNAPlink adapter to the serial device you re connecting to Selecting Basic Communications Settings Below the icons and immediately above the tab bar is the SNAPlink adapter type either RS 232 or RS 485 422 To the right of that is the last three bytes of the adapter s MAC med...

Page 12: ... 0x1C2C Channel The Channel number can range from 0 to 14 and corresponds to specific radio frequencies in the 2 4 GHz band Channel 15 cannot be used for data transmission due to FCC regulations All SNAPlink devices that you wish to include in the same network must be set to identical channel numbers SNAPlink devices default to channel 4 If you do not have EasySet available you can modify your cha...

Page 13: ...o 115 200 and safely sustain a maximum of 19 200 bps if one device is sending data or 9 600 if two devices are constantly sending data to each other SNAPlink devices default to 9 600 bps If EasySet isn t available you can modify your bps rate using DIP switches inside the SNAPlink enclosure See the DIP Switch 1 section for details Defaulting the device by holding the button during power up will se...

Page 14: ...king communications between your SNAPlink devices If you have fairly low data throughput requirements for your SNAPlinks you are not likely to have problems with the Mesh configuration enabled If you have only your network of intercommunicating SNAPlink devices two paired or a point to multipoint collection and each node is able to communicate reliably with each of its partners there is no need to...

Page 15: ...irectly paired and slave nodes in a point to multipoint arrangement send their messages as addressed messages so these could be affected by this setting If you have multiple paired point to point devices these devices could also be configured to route and relay messages for each other Turning Mesh Override off does not mean that the device is unable to take advantage of the mesh network for its ow...

Page 16: ...e where the link quality is at the fringes of what might be considered reliable In an environment like this you can tell a node that it should require a certain standard of link quality measured in negative dBm when performing route discovery The closer to the 100 dBm end of the scale the more willing a node is to accept weak signals for its routes The closer you set a SNAPlink device to the 50 dB...

Page 17: ...me between an initial character being received and a packet of serial data being enqueued for processing When the timeout passes regardless of the number of characters buffered other than zero or the rate at which they are received the buffered data will be sent The larger this value the more buffering that will take place While this allows for more data to be sent per packet which might be more e...

Page 18: ...latency Pairing Tab The Pairing tab indicates whether the SNAPlink device is paired with another device which is denoted by displaying the other device s SNAP address State This is the paired state The value can be l Simple Broadcast Unit is in a reset state and is waiting to be configured l Searching for Master Unit is in multipoint mode and is searching for a master unit to pair with l Master Un...

Page 19: ...tton Lockout When checked the MODE button on the front of the SNAPlink adapter will be disabled This means the pairing state or point to multipoint state of the device cannot be modified using the button However the MODE button can still be used to perform a reset putting the SNAPlink device back into broadcast state After such a reset the button will be enabled for pairing and configuration again...

Page 20: ...nfigure the device for either 2 wire or 4 wire operation and to specify whether the RS 485 or RS 422 standard should be used To access the DIP switches remove the screw adjacent to the serial connection DE 9 connector or terminal block and lift the top of the enclosure off to expose the switches When you reassemble your device the enclosure screw should be tightened to a torque of 0 5 to 0 9 Nm 4 ...

Page 21: ...Off On Off On 11 On On Off On 12 Off Off On On 13 On Off On On 14 Off On On On 15 On On On On Because flow control the bps rate and the SNAP radio channel can all be controlled by either the DIP switches or the EasySet software SNAPlink devices work on a most recent instructions basis using the settings made in EasySet until the DIP switches are modified or the device is reset by holding the butto...

Page 22: ...e switched between half or full duplex RS 422 is always four wire full duplex Some device manufacturers might refer to two wire and four wire as three wire or five wire respectively These configurations are identical but are including the ground wire in their specification Unlike the settings you can make with DIP switch 1 you cannot modify these settings using the EasySet software The only way to...

Page 23: ...h other try to position the antennas of all your SNAPlink devices in the same orientation l There could be other interference problems in your vicinity such as large metal objects dense foliage or other objects that prevent signal transmission or cause attenuation signal loss Microwave ovens can cause interference problems Try moving the units physically to another usable location to change interf...

Page 24: ... as l Poor signal strength try adjusting the antennas as described above l Incorrect data communications parameters confirm your serial communication settings in EasySet with those of your serial device l Premature sending of packets holding on to packets for too long or just dropped packets try optimizing the UART parameters for your particular application l For SL485 devices with a two wire or f...

Page 25: ...oint to Point Paired Point to Multipoint Transparent Mesh Networking Channel Capacity 15 isolated channels 65534 logical networks per channel Serial Data Interface Two Selectable between RS 232 485 422 or USB Supported Serial Bps Rates 2 110 300 1 200 2 400 4 800 9 600 14 400 19 200 38 400 57 600 115 200 Max Sustainable Throughput 19 200 bps 2 bps rates marked with an asterisk can be set using Eas...

Page 26: ... to 70 C Maximum Operating Temperature 70 C Operating Humidity 10 to 90 non condensing Wireless Link Failure Integrated Wireless Link Failure LED indicator RF Wireless Properties Protocol IEEE 802 15 4 SNAP Indoor Range with included antenna Up to 1000 feet indoors Line of Sight LoS Outdoor Range with included antenna Up to 3 miles Line of Sight LoS RF Transmit Power 100 mW 20 dBm Receiver Sensiti...

Page 27: ...2 Connector DE 9F DCE Data bits 7 or 8 Parity None Even or Odd Stop bit 1 or 2 RS 485 422 Connector Terminal block 2 or 4 wire TX TX RX RX GND selectable Data bits 7 or 8 Parity None Even or Odd Stop bit 1 or 2 Software OS Support Windows 10 or newer for configuration Configuration EasySet configuration software downloadable from Synapse ...

Page 28: ...or crossover cable is required The null modem adapter swaps certain pins typically pins 2 and 3 and 7 and 8 to convert a DCE into a DTE and vice versa RS 485 422 Pin Outs A terminal block is provided to which the transmit TX receive RX and ground GND wires can be attached The factory default is set to 2 wire but can be changed using the DIP switches located on the circuit board inside the adapter ...

Page 29: ... Guide 116 081614 031 A000 Pin 2 Wire Mode Description 4 Wire Mode Description 1 D TX 2 D TX 3 D RX 4 D RX 5 GND GND Tighten the terminal block screws to between 0 35 and 0 40 Nm 3 1 to 3 5 inch pounds for best results ...

Page 30: ... energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to cor...

Page 31: ... Part 15 Subpart B for Class B equipment l FCC 96 208 as it applies to Class B personal computers and peripherals The products listed above have been tested at an External Test Laboratory certified per FCC rules and has been found to meet the FCC Part 15 Emission Limits Documentation is on file and available from Synapse Wireless Inc Industry Canada IC Certification This digital apparatus does not...

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