ABB | E-Hub 2.0
8 | © 2019 ABB | DOC. N° 1SDH002109A1001 - ECN000125349 - Rev. A
CONVENTIONS USED IN THIS DOCUMENT | Conventions for Signal Types
CONVENTIONS USED IN THIS DOCUMENT
1 - Conventions for Signal Names
Convention
Description
GND
Ground
#
Active low signal
+
Positive signal; Positive signal in differential pair
-
Negative signal; Negative signal in differential
pair
3.3
3.3 V signal level
5
5 V signal level
NC
No Connection
Reserved
Use is reserved to ABB
2 - Conventions for Signal Types
Convention
Description
I
Signal is an input to the system
O
Signal is an output from the system
IO
Signal may be input or output
P
Power and Ground
A
Analog signal
NC
No Connection
Reserved
Use is reserved to ABB
