In-Situ Aqua TROLL 100 and 200 Operators Manual - Manual (Page 79)

Page 79 Aqua TROLL Operator’s Manual
• If the PLC or recorder ceases to function due to power loss,
the Aqua TROLL will continue to collect data using its own
internal batteries and clock.
A port-powered RS485 converter like that shown for Modbus
connections may be used for temporary connection of the Aqua
TROLL to a serial port on a PC.
For More Information
For additional information on Modbus and SDI-12
communications, including the SDI-12 commands and Modbus
registers, see these In-Situ technical notes:
• SDI-12 Commands and Aqua TROLL Responses.
• In-Situ Modbus Communication Protocol.
They are available on the In-Situ software/resource CD and at
www.in-situ.com.
Section 8: Analog, SDI-12, Modbus