In-Situ Aqua TROLL 400 Modbus and SDI-12 Reference Guide - Manual (Page 73)

8.21 Device ID
Device ID for Multi-PRO 400 = 18
8.22 Device Serial Number
This is a 6-digit serial number engraved on the device. Serial numbers for devices in this system
will range from 000001 to 999999.
8.23 Manufacture Date
This is the date and time of manufacture in the Time format.
8.24 Firmware, Boot Code, Hardware Versions
The firmware and boot code versions will be the floating point version multiplied by 100 to
create an integer. For example, version 1.32 will be stored as 132. The hardware version will be
a non-scaled integer that represents the circuit board version. The hardware version will be
calculated by the firmware based on parameters determined from the circuit board components.
8.25 Device Name
This is a general-purpose 32-character string representing a user-defined device name or
identifier.
8.26 Site Name
This is a 32-character string that represents the location where the instrument is recording data.
8.27 Coordinates
These registers are used by the computer to store the coordinates of a device when taking
measurements. The device expects coordinates in meters and degrees.
• A negative latitude value represents south, a negative longitude value represents east.
• If an attempt is made to change the coordinates while logging, the device will return an
exception response with error code 0xA0 (illegal write with running log).
8.28 Current Time
This represents the time in the device in UTC.
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