D20/D200 Technical Overview
GE Grid Solutions
84
PRPI-019-3.00-10
GE Information
4.7 Data Conversion Applications
Digital-Analog Value Conversion
DTA
Convert digital input groups to analog data using binary, BCD, or
gray code encoding
Digital Input to Counter DTA
Count the number of SOE or COS transitions on status points
BCD Setpoint DTA
Translate analog output requests into a group of BCD encoded
control points
Accumulator Delta to Analog DTA
Convert accumulators to analog values for protocols that do not
support counters
Time Stamp DTA
Interpret each bit in an analog input as a status point, and create
SOEs appropriately
Analog to Digital Conversion DTA
Convert analog inputs into groups of binary coded control outputs
Mailbox DTA
Convert analog outputs into analog inputs so they can be read by
all masters
4.8 Other DTAs
AGA Gas Flow DTA
Gas flow rate and energy flow rate calculations