GE Hydran 201 i Instruction Manual page 289

Daisy Chain: Parallel connection from one Hydran 201Ci Controller to another using an
RS-485 link cable
dc: Direct Current
DCS: Distributed Control System
DGA: Dissolved Gas Analysis
Diagnostic: Identification of specific malfunctions of an electrical apparatus
Digital Output: Output that provides a digital signal derived from the digital information
within the instrument
Digital Signal: Electronic signal that can only represent discrete numbers (as opposed to
analog signal)
DIN: Deutsches Institut für Normung, a german standards institute
DVM: Digital VoltMeter
EC: Electronic Controller, the Intel Pentium* PC responsible for data acquisition, transfer,
storage, interpretation and communications
EEC: European Economic Community
E/G: Earth/Ground
Embedded Software: Small program that runs inside the Hydran 201Ti. It manages the
dynamic oil sampling system, monitors alarm conditions, triggers alarms, displays the gas
level readings and other values, etc. It also allows a user to set and modify the value of every
operational parameter.
EMI: ElectroMagnetic Interference
End User: Commercial client for General Electric Canada
Error: Deviation (difference or ratio) of a measurement from its true value
ESC: ESCape key on the Hydran 201Ti's keypad
Part 17997 Rev. 6, March 2011 I-3