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Summary of Contents for iButtonLink LINK 12
- Page 2 The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 2...
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Page 3: Table Of Contents
Table of Contents Table of Contents ..........................3 List of Figures ..........................5 List of Tables ..........................6 Introduction ............................. 7 Copyright Notices ........................... 7 Contact Information ........................7 Extended Mode Slaves ........................8 General ............................8 Extended Mode vs. Normal Mode ....................8 DS2480B/9097U Emulation ...................... - Page 4 Write EEPROM Hex Data ......................51 19,200 Baud Serial Port Data Rate .................... 52 38,400 Baud Serial Port Data Rate .................... 53 The LINK™ Family Manual 57,600 Baud Serial Port Data Rate .................... 54 Version 1.6 ©iButtonLink, LLC 2016 Page 4...
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Page 5: List Of Figures
B: 1-Wire® Communications Examples ..............57 PPENDIX C: LED Indicator ......................58 PPENDIX Appendix C: Wiring Diagram for Link 12/Link 12i ..............59 D: Link 12/Link 12i Wiring Diagram ................59 PPENDIX E: Link 45/Link 45i Wiring Diagram ................60 PPENDIX F: LinkUSB Wiring Diagram .................. -
Page 6: List Of Tables
Table 4: Expanded commands for the Link and LinkUSB ............29 Table 5: Expanded commands for the LinkHub-S and LinkHub-E ..........29 Table 6: Table showing single character commands ..............32 Table 7: DC barrel specifications ....................56 The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 6... -
Page 7: Introduction
© Copyright iButtonLink, LLC 2002, 2003, 2005, 2016. All rights are reserved. This document may not, in any form, be reproduced or transmitted without the prior consent from iButtonLink. iButton® and 1-Wire® are registered trademarks of Maxim Integrated, San Jose, CA USA... -
Page 8: Extended Mode Slaves
Extended mode is not available on the LinkOEM or the LinkHub. Extended Mode vs. Normal Mode Extended mode is a proprietary extension to the 1-Wire® protocol by iButtonLink. LINK devices use ASCII commands to select which kind of slave is active on the bus. -
Page 9: Table 2: Extended Mode Status Byte Definitions
LLC ISCLAIMER iButtonLink will only support extended mode slaves manufactured by iButtonLink. Extended mode is a proprietary extension of the 1-Wire® protocol by iButtonLink. Agreements between iButtonLink and Maxim-Dallas to protect their intellectual property do not extend to other manufacturers. -
Page 10: Ds2480B/9097U Emulation
Maxim DS2480B/9097U interface, which returns a “3”. Since single-port LINK devices also return “device version 7”, the user can use the “ ” (space) ASCII command to determine if a LinkHub is present. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 10... -
Page 11: Important Information For The Linkoem, The Linkhub-E, And The Linkhub-S
Link, LinkOEM, and LinkUSB can be up to 3,000 feet long. This yields a logical 1-Wire® network of 4,000 feet with four times the network weight of a standard 1-Wire® bus. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 11... -
Page 12: Ascii Control Functions
( ‘ ) and an accent mark ( ` ). In some cases, an apostrophe may prompt a command, but it will not be the same as the command an accent mark prompts. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 12... -
Page 13: Active Channel Mask
Table 3: Table showing the bit patterns used to activate the different channels IMILAR OMMANDS • “ \$ ” – Channel Reporting On/Off • “ \c ” – Report Active Channel Mask The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 13... -
Page 14: Arrival/Departure Scanning
: The scanning system will not work properly if more than eight (for LinkHub-S and LinkHub-E) or 10 (for Link, LinkOEM, and LinkUSB) 1-Wire® or iButton® devices are present on the bus. Exceeding these numbers will exhaust the Link’s memory capacity. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 14... -
Page 15: Auxiliary Line High Impedance
• “ d ” – Auxiliary Line High Power and Low Impedance • “ z ” – Auxiliary Line Low Power and Impedance • “ “ ” – Auxiliary Output Isolation Mode The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 15... -
Page 16: Auxiliary Line High Power & Low Impedance
• “ & ” – Auxiliary Line High Impedance • “ z ” – Auxiliary Line Low Power and Impedance • “ “ ” – Auxiliary Output Isolation Mode The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 16... -
Page 17: Auxiliary Line Low Power & Impedance
• “ d ” – Auxiliary Line High Power and Low Impedance • “ & ” – Auxiliary Line High Impedance • “ “ ” – Auxiliary Output Isolation Mode The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 17... -
Page 18: Auxiliary Output Isolation Mode
• “ & ” - Auxiliary Line High Impedance • “ d ” – Auxiliary Line High Power and Low Impedance • “ z ” – Auxiliary Line Low Power and Impedance The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 18... -
Page 19: Bit Mode
IMILAR OMMANDS • “ ~ ” - Bit Mode with Strong Pull-Up • “ b ” – Byte Mode • “ p ” – Byte Mode with Strong Pull-Up The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 19... -
Page 20: Bit Mode With Strong Pull-Up
• “ j ” – Bit Mode • “ b ” – Byte Mode • “ p ” – Byte Mode with Strong Pull-Up • “ . ” – Turn Off Dynamic Pull-Up The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 20... -
Page 21: Byte Mode
IMILAR OMMANDS • “ j ” – Bit Mode • “ ~ ” - Bit Mode with Strong Pull-Up • “ p ” – Byte Mode with Strong Pull-Up The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 21... -
Page 22: Byte Mode Subcommands
• Can be used with The LinkHub-E ONLY: “ * ” (asterisk) – Inserts carriage return, linefeed pair of characters into the returned data stream. Provides input terminator for host program without leaving byte mode. Generates no activity on 1-Wire® bus and is not echoed. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 22... -
Page 23: Byte Mode With Strong Pull-Up
• “ ~ ” - Bit Mode with Strong Pull-Up • “ b ” – Byte Mode • “ p ” – Byte Mode with Strong Pull-Up • “ . ” – Turn Off Dynamic Pull-Up The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 23... -
Page 24: Channel Reporting On-Off
1-Wire® bus. The internal bus is reported as bus number five. IMILAR OMMANDS • “ \C ” - Active Channel Reporting • “ \c ” - Report Active Channel Mask The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 24... -
Page 25: Display
Figure 8 below. LinkUSB V1.7 Figure 8: LinkUSB displaying its ID string (LinkUSB) and version number (V1.7) IMILAR OMMANDS • “ /s ” – Display Serial Number The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 25... -
Page 26: Display Serial Number
LinkUSB serial numbers do not participate in any searches and cannot be changed after manufacturing. Please refer to the Important Information section for information on the serial numbers of the LinkHub-S and LinkHub-E. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 26... -
Page 27: Family First Search
" ? " in front of each string of serial numbers The “ \f ” requires two hex characters as data. IMILAR COMMAND • “ f ” – First • “ n ” – Next The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 27... -
Page 28: First
LinkLocator associated with the 1- Wire® device. -,9700000208994528,FFFFFFFFFFFFFFFF IMILAR COMMAND • “ n ” – Next • “ \f ” – Family Search First • “ $ ” – Scanning Mode The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 28... -
Page 29: Help For \ (Backslash) Commands
\W = Write EEPROM HEX data \w = Write EEPROM ASCII data \f = Family Search first \! = Crash and Restart LinkHub Table 5: Expanded commands for the LinkHub-S and LinkHub-E The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 29... -
Page 30: Level Test
Figure 12: Command " l " returning a "1" to indicate that the level of the bus is high IMILAR OMMANDS • “ x ” – Low Level The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 30... -
Page 31: Linklocator Reporting Armed
The Link | The LinkUSB This command can be used with the following LINK devices: • The Link • The LinkUSB This disables LinkLocator reporting on certain LINK devices. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 31... -
Page 32: List Of Available Commands
= Help t = Search Type Table 6: Table showing single character commands IMILAR OMMAND • “ \h ” – Help for commands beginning with “ \ ” (backslash) The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 32... -
Page 33: Low Level
Figure 14: The first line shows that that bus was previously at level 1. Next, command “ x “ is used, which shows that the bus is now at a low level. IMILAR OMMANDS • “ l ” – Level Test The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 33... -
Page 34: Next
If an “ \f ” (family search first command) is in progress, “next” may return a “?” if encountering a family code overshoot. IMILAR OMMAND • “ f ” – First • “ \f ” – Family Search First • “ $ ” – Scanning Mode The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 34... -
Page 35: Pass-Thru Mode
Wire® bus. Because the device is no longer able to interpret serial data in this mode, the only way to get out of pass-thru mode is a power-on reset of the LINK device. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 35... -
Page 36: Ram & Register States Dump (Linkhub-E)
This command causes a formatted dump of the RAM contents and register states to be produced on the serial interface. A watchdog timer reset of the LINK device occurs after the dump is complete. The LINK is rebooted at the completion of this command. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 36... -
Page 37: Ram & Register States Dump (Linkhub-S)
This command causes a formatted dump of the LINK devices’ RAM contents and register states to be produced on the serial interface. A watchdog timer reset of the LINK device occurs after the dump is complete. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 37... -
Page 38: Read Eeprom Ascii Data
\wThis is the last line<CR> \M000100\r\r\r\r The command “ \M000100\r\r\r\r ” would return: This is a test<CR> This is line two<CR> This is line three<CR> This is the last line<CR> The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 38... -
Page 39: Read Eeprom Hex Data
The command “ \M003FF\R04 ” will return the contents of EEPROM addresses “ 0003FF ” through “ 000402 ” followed by a carriage return. The next EEPROM read/write address would be “ 000403 ”. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 39... -
Page 40: Relax Timing
This command relaxes the 1-Wire® timings of the above LINK devices and helps to accommodate long bus lengths. If you are experiencing bus errors due to reflections from busses over 300 feet in length, use this timing. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 40... -
Page 41: Report Active Channel Mask
37 to indicate that there is activity on the channel mask IMILAR OMMANDS • “ \C ” - Active Channel Mask • “ \$ ” - Channel Reporting On/Off The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 41... -
Page 42: Report Eeprom Read/Write Address
EEPROM read/write address will be returned followed by a carriage return. 0001FF<CR> Figure 17: Command " \m " returning "0001FF<CR> ," meaning that the next byte to be read/written is " 0001FF " hex. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 42... -
Page 43: Report Maximum Internal Eeprom Address
This EEPROM is not part of the 1-Wire® bus structure but provides local storage for general-purpose use. : The 32 KB LinkHub-S and LinkHub-E have 32678 EEPROM addresses and will respond with 007FFF. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 43... -
Page 44: Report Scan List
The scanning system will not work properly if more than eight (for LinkHub-E) or 10 (for LinkUSB) 1-Wire® or iButton® devices are present on the bus. Exceeding these numbers will extend the Link’s memory capacity. IMILAR OMMANDS • “ $ “ – Arrival/Departure Scanning The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 44... -
Page 45: Search Type
Using “ tF0 ” will make the search normal. Using “ tEC ” will make the search conditional and will only discover devices for which the search conditions are satisfied. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 45... -
Page 46: Set Eeprom Read/Write Address
EEPROM address to be read/written. XAMPLE “ \M000030 ” would specify address 30 (hex) as the next read/write address The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 46... -
Page 47: Sniffer Mode
DS9097U adaptors or other LINK devices will work well as “sniff-able” bus masters. For the LinkHub-S and LinkHub-E devices, this also works as an escape character for the expanded command set. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 47... -
Page 48: Status Of Bus & Bus Reset
The Link and The Link USB will display the status byte as a two-character hexadecimal value following the status character (“P”, “N”, “S”) in extended mode. : Extended mode is not available on The LinkOEM or the LinkHub. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 48... -
Page 49: Turn Off Dynamic Pull-Up
The DPU is turned back ON by reset of the LINK devices through a break or power cycle (NOT by the reset command). The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 49... -
Page 50: Write Eeprom Ascii Data
Figure 19: Command " \M000100\wThis is a test<CR> " writes 15 characters to EEPROM beginning with address " 000100 ". The next EEPROM read/write address would be " 00010F ". The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 50... -
Page 51: Write Eeprom Hex Data
The <CR> was not written to the EEPROM With the LinkHub-E, the “ \W ” command is followed by one or more pairs of hex characters representing the byte(s) to be written. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 51... -
Page 52: 19,200 Baud Serial Port Data Rate
1-Wire® bus. When the baud rate is set to a value greater than 19,200 bps, the host commands must be passed to assure than the 1-Wire® bus is not overrun. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 52... -
Page 53: 38,400 Baud Serial Port Data Rate
1-Wire® bus. When the baud rate is set to a value greater than 19,200 bps, the host commands must be passed to assure than the 1-Wire® bus is not overrun. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 53... -
Page 54: The Link™ Family Manual 57,600 Baud Serial Port Data Rate
1-Wire® bus. When the baud rate is set to a value greater than 19,200 bps, the host commands must be passed to assure than the 1-Wire® bus is not overrun. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 54... -
Page 55: 115,200 Baud Serial Port Data Rate
1-Wire® bus. When the baud rate is set to a value greater than 19,200 bps, the host commands must be passed to assure than the 1-Wire® bus is not overrun. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 55... -
Page 56: Appendix A: Power Issues And Requirements
These two products need a supply that provides 500 mA of +12 V. The DC barrel should have the specifications found below in Table 7. 5.5 mm 2.5 mm Length 11.8 mm Negative to center post Other Table 7: DC barrel specifications The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 56... -
Page 57: Appendix B: 1-Wire® Communications Examples
The power-up default of the 18B20 is 85°C (185°F). If you receive this value, it might indicate that this device has never executed a convert. It is possible to address an 18B20 and NOT have enough power available for it to execute a convert. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 57... -
Page 58: Appendix C: Led Indicator
LinkHub-S is running. When idle, the LED will cycle once a second. The LED on the right indicates 1-Wire® bus traffic and will illuminate when there is 1-Wire® traffic on any bus. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 58... -
Page 59: Appendix C: Wiring Diagram For Link 12/Link 12I
Appendix C: Wi ring D iagr am f or Link 12/ Lin k 12i D: Link 12/Link 12i Wiring Diagram PPENDIX Pin outs viewed looking into The LINK 1-Wire® socket Figure 20: Standard EIA/TIA 568 B RJ-45 pins https://commons.wikimedia.org/wiki/File:RJ-45_TIA- Used with thanks to Lp for public domain image: 568A_Left.png#/media/File:RJ-45_TIA-568B_Left.png... -
Page 60: Appendix E: Link 45/Link 45I Wiring Diagram
Orange and White No Connection Orange No Connection Green and White 1-Wire® Data Blue 1-Wire® Return White and Blue Auxiliary Green No Connection White and Brown No Connection Brown The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 60... -
Page 61: Appendix F: Linkusb Wiring Diagram
+5V Power Out Orange *Limited to 50mA No Connection Green and White 1-Wire® Data Blue Ground White and Blue Auxiliary Green No Connection White and Brown No Connection Brown The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 61... -
Page 62: Appendix G: Linkhub-S External Wiring Diagram
Supply Connector for additional power to 1-Wire® network devices. A 500 mA +12V DC supply with international certifications and various country AC power plugs is available from iButtonLink: http://www.ibuttonlink.com/pages/power-supplies The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 62... -
Page 63: Serial
Serial Standard Serial RJ-45 type connector. LinkHub RJ-45 Jack DB9-F Signal Name Pin # Pin # Signal Name 232TX 232CTS 232RX 232DTR The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 63... -
Page 64: Appendix H: Linkhub-S Wiring Diagram
Cable Color Return White and Green V+ (+12V) Green Switched +5V (Aux) White and Orange Return Blue 1-Wire® Data White and Blue Return Orange White and Brown Return Brown The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 64... -
Page 65: Appendix I: Linkhub-E Wiring Diagram
1-Wire® network devices. A 500 mA +12V DC supply with international certifications and various country AC power plugs is available from iButtonLink: http://www.ibuttonlink.com/pages/power-supplies Ethernet Standard 10/100 Ethernet RJ-45 type connector. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 65... -
Page 66: 1-Wire Ports
25C; maximum 250 mA max per 1- Wire® port Brown +5 Return Ground WARNING: There is no current limiting provided on the +12V pin. Shorting this to ground will severely damage the LinkHub-E. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 66... -
Page 67: Appendix J: Linkoem Pin Outs
X – I2C Clock (Pin 14 – Rc3/SCK/SCL) Figure 29: LinkOEM Pin Outs Y – I2C Data (Pin 15 – RC4/SDI/SDA) 23 – OW Data (repeated on 1) 24 – Vcc +5V (repeated on 2) The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 67... -
Page 68: Appendix K: Fxb Protocol
The LINK devices automatically recognize a bus based upon FxB protocol after the first reset is issued. is licensed from Alicit Engineering (Chris Fox) by iButtonLink. Alicit currently has a patent pending on the FxB protocol. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016... -
Page 69: Appendix L: Using 1-Wire ® V Iewer With A Link Usb
Look down the list to find a “USB Serial Port” entry. g. Right click on the USB Serial Port entry and choose “Properties” The LINK™ Family Manual h. Click on “Port Settings” and then the “Advanced….” button. Version 1.6 ©iButtonLink, LLC 2016 Page 69... -
Page 70: Using 1-Wire® Viewer With Other Link Devices
Wire® Viewer will recognize the Link45 and initialize. While 1-Wire® Viewer is still running, unplug the Link45 and plug a LinkHub-S into the same serial port. 1-Wire® Viewer will continue to run and detect all the sensors connected to the LinkHub-S. The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 70... -
Page 71: Index Of Commands By Device
Low Level ..........33 Bit Mode ..........19 Next ............34 Bit Mode with Strong Pull-Up....20 Pass-Thru Mode ........35 The LINK™ Family Manual Byte Mode ..........21 RAM & Register States Dump ....36 Version 1.6 ©iButtonLink, LLC 2016 Page 71... - Page 72 List of Available Commands ....32 Search Type ........... 45 Low Level ..........33 Status of Bus and Bus Reset ....48 Next ............34 Turn Off Dynamic Pull-Up ....49 The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 72...
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Page 73: Glossary Of Terms
Channel mask Set value in the LINK to make different channels or combination of channels active or inactive Cyclic redundancy check; error correcting code to make sure communications are correct The LINK™ Family Manual Version 1.6 ©iButtonLink, LLC 2016 Page 73... - Page 74 Input output line Link When seen after “Commands Compatible With”, this refers to both the Link12/12i and Link45/45i. The Link 12/12i is no longer being produced. Master The device that communicates with the slaves and communicates the information from the slaves to another source.
- Page 75 Mismatch The “Family First” search command does not find any devices with the same family codes Or’ed Binary logic “or”. There are five 1-Wire® busses (one internal and four external) that are logically or’ed into a single composite 1-Wire® bus. Software written for the Maxim Integrated DS2480B/9097U interface will work even though the 1-Wire®...
- Page 76 Strong pull-up Power is applied to the bus after the last bit of the first byte is issued Transistor-transistor logic; switches and maintains logic states through circuits built from bipolar transistors Watchdog timer Protection device that resets unit if it fails to perform its action in the specified amount of time The LINK™...
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Page 77: Revision History
Revision History Date Revision Initials • 7/07/16 Updated RJ-45 connection information and diagrams • Updated Table of Contents • 7/21/16 Added Appendix L • Added revision history • Updated Table of Contents The LINK™ Family Manual Version 1.5 Page 77...
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