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General| Protection | IP68 |
|---|---|
| Protection Rating | IP68 |
| Output | 4-20 mA |
| Measurement Principle | Radar (FMCW) |
| Output Signal | 4-20 mA, HART |
| Process Connection | 2" NPT |
General warnings to be followed while working with the SAL R1a.
General shipping and storing recommendations.
SAL R1a Technical Specification for fact and reference.
Recommended reading for starting work with the SAL R1a speed log.
Lethal voltages and first aid for electric shock.
General rules for inspection and responsibility for transport damage.
Recommendations for storing units in original packing, dry and protected.
Guidelines for handling electrical parts and transducer sensor surface.
Working principle, operating frequencies, measuring distance, speed range and accuracy.
Details about the Electronics Cabinet (ELC) / Water Track Unit (WTU).
Mechanical and electrical specifications of the ELC.
Enclosure protection, environmental class, and operating temperature/humidity.
Mechanical and electrical specifications for the SD4-3 display.
Details of the SAL Easy Tank TRU and its mechanical specifications.
Information on NMEA compatibility, SD4 display power, and relay outputs.
How the SAL R1a is conducted, master display designation, and ELC unit checks.
How alert mode works, NMEA messages, and alert LED indication.
Field descriptors for alert messages (code, input, text) and how they are displayed.
How multiple alerts are stored, viewed, and the SD4 capacity limit.
Detailed functions of Mode, Esc, Menu, Enter, Arrow buttons for navigation.
Default read-only access and how to enable write access for changes.
Where to find lists of menu system parameters for daily users and installation.
Introduction to calibration procedures for speed, draught, and hull boundary layer.
How to set the TRU TC factor, its importance and procedure.
Calibration method for varying draught/trim affecting hull water flow.
Calibration for non-linear speed response, using multiple speed points.
How to use filtering time constants to smooth speed output fluctuations.
Where to find software revisions for SD4 display and R1a/WTU.
Simplified menu structure for SD4-3 and its connection to WTU.
Steps after installation, leading to calibration, used as a checklist.
Pre-setup checks for electrical installation before powering the unit.
Procedure for powering up the SAL R1a and checking default settings and LEDs.
Steps for simulating speed, checking connected displays, noise test, signal balance, loop test.
Verification of TRU TC factor setting and leaving menu modes.
The first part of the guide explains the alert codes.
Second part covers likely faults, disruptions, and practical suggestions for solutions.
Third part consists of test methods to aid in fault finding.
Alert mode support for service and troubleshooting, list of possible alerts.
Specific alert codes related to STW, including simulation and noise level.
Details of alerts for STW noise level, PCB failure, and bad transducer.
Details of alerts for missing TRU, signal balance issues, and mute/hardware faults.
Reasons for incorrect speed indication and corresponding actions.
Reason for the WTU being in test mode and how to exit.
Cause for delayed speed at acceleration/retardation and solution.
Cause for oscillating speed and solution.
Issues with connected displays and serial output, and their resolution.
Reasons for intermittent speed indication and troubleshooting steps.
Causes for continuous no speed indication and troubleshooting.
Reasons for no speed indication and SD4 showing NO NMEA/Err.
Explanation of jumper settings for RESET, FACTORY, PROGRAM, and TEST.
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