Xylem H-424MS V1.0 User Manual

Spread SpectrumSDI-12 Radio BridgeOwner’s ManualModelH-424MSVersion 1.0 (for system revision “C” or higher)NOTICEThis product embodies technology that

1-2 Operation H-424MSNormally the H-424MS operates as a transparent SDI-12 to SDI-12 bridge. However, in order towake the remote end of the li

H-424MSOperation 1-31.4 Programming Your Data RecorderYou must prepare your data recorder to receive and record SDI-12 data from the sensorsattache

1-4 Operation H-424MSThe H-424MS modules comes from the factory with the following settings:SDI Address: 0Wakeup Interval: 15 SecondsInactivity

H-424MSOperation 1-51.7 Making SDI-12 ConnectionsThe H-424MS enclosure has a 4-pin SDI-12 connector. The power for the H-424MS and theradio is suppl

1-6 Operation H-424MSremain on for 30 seconds. Before the 30 second inactivity time elapses, issue a “aM!” or othercommand to your sensor and

H-424MSOperation 1-71.9 FCC RestrictionsThis equipment has been tested and found to comply with the limits for a Class B digital device,pursuant to P

Chapter 2SDI-12 Command and Response ProtocolH-424MS SDI-12 Command and Response Protocol 2-12.1 SDI-12 Command and Response ProtocolNormally the H-

2-2 SDI-12 Command and Response Protocol H-424MSExample of a H-424MS "aM!" command: Command Response Time Values Description------------- --

H-424MS SDI-12 Command and Response Protocol 2-32.3 Send Data CommandThe Send Data command returns sensor data generated as the result of previous &

2-4 SDI-12 Command and Response Protocol H-424MSExample of a H-424MS "aV!" command: Command Response Time Values Description------------- --

H-424MS SDI-12 Command and Response Protocol 2-52.5 Send Acknowledge CommandThe Send Acknowledge Command returns a simple status response which incl

2-6 SDI-12 Command and Response Protocol H-424MSExample of a H-424MS "aI!" command:

H-424MS SDI-12 Command and Response Protocol 2-7Example of a H-424MS Extended "Read Wake Interval" command:Command Response Time Values Des

2-8 SDI-12 Command and Response Protocol H-424MSExample of a H-424MS Extended "Write Wakeup Interval" command:Command Response Time Values D

Appendix ASpecificationsH-424MSSpecifications A-1ProtocolLocal: SDI-12Remote: SDI-12Type: Transparent SDI-12.Works with all SDI-12commands includingex

Table of ContentsUser Agreement/WATERLOG® Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W-1Chapter 1 Operat

User Agreement/WATERLOG® WarrantyH-424MS User Agreement/WATERLOG® Warranty W-11. NATURE OF THE PRODUCTThis agreement accompanies a pressure measuri

W-2 User Agreement/WATERLOG® Warranty H-424MS4. TERMUSER may enjoy these rights only as long as their possession of the PRODUCT shall continue tob

H-424MS User Agreement/WATERLOG® Warranty W-3(iii) EXCEPT FOR THE EXPRESS WARRANTIES ABOVE, DESIGNANALYSIS SPECIFICALLY DISCLAIMS ALL OTHER WARRANTI

Chapter 1Operation H-424MSOperation 1-11.1 IntroductionThe WATERLOG® H-424MS is a spread spectrum SDI-12 radio bridge. The radio link is easy touse a