CHAPTER 3: CONFIGURING THE D20E FIRMWARE
D20E ETHERNET I/O MODULE INSTRUCTION MANUAL GE INFORMATION 69
For communication with a GE Grid Solutions:
• A D2x substation controller product supports Short Floating AI, which may benefit
from the use of engineering units.
• The D400 substation gateway (and other newer products) support floating AI.
To configure the D20E Ethernet I/O Module for 16-bit signed integer AI format:
1. From the DAPserver Studio, go to IO Provider > IED > Analog Input > Protocol.
Result: The Protocol drop-down menu appears.
2. Select Raw.
3. Go to DNP3 Publisher > View > Analog Input > General > Value.
Result: The Value drop-down menu appears.
4. Select Signed Integer.
5. Go to DNP3 Publisher > View > Analog Input > Protocol > Divisor column.
6. Type 0.5 in the Divisor column.
7. Click Save.
For communication with a GE Grid Solutions device:
• A D2x substation controller product supports Short Floating AI, which may benefit
from the use of engineering units.
• The D400 substation gateway (and other newer products) support floating AI.
Control output points
All control commands can only be executed when the control target point is online.
Only trip/close, raise/lower, and pulse operations are currently supported. Multiple point
latching on digital outputs is not currently supported.
Control output type
A Control Output point can be configured into the counter types listed in Table 17.
Table 17: Control type descriptions
Control type Description
Trip/Close Control A type of control output that provides a trip open or close using one of two
master relays and a select relay. During execution of the control
command, the selected relay is set:
• On after the master relay is set and
• Off before the master relay is off.
Dual Point Counter Refer to section: Dual point counter on page 60.
Form C Control Uses 2 complementary contact outputs:
• One normally open, and
• One normally closed.
DPST Control Double Pole, Single Throw with positive and negative control supply to
drive an external interposer relay.
Raise/Lower Control A type of control output that raises or lowers output voltage using a single
select relay for each raise/lower control output.
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