Abbreviations; Viewing Angles - B&R Industries Panel PC 2100 User Manual

Appendix A

1 Abbreviations

Abbreviation
NC
ND
NO
TBD

2 Viewing angles

Viewing angle specifications (R, L, U, D) for the display types are listed in the technical data for each device.
Panel PC 2100 swing arm user's manual V1.00
Stands for
Normally closed
Not connected
Not defined
Normally open
To be defined
Table 144: Abbreviations in this user's manual
L
D
Facing 6 o'clock
Description
A normally closed relay contact
Used in pinout descriptions if a terminal or pin is not connected to a module
In data tables, this stands for a value that has not been defined. This may be be-
cause a cable manufacturer does not provide certain technical data, for example.
A normally open relay contact
Used in technical data tables when certain information is not yet available. The
value will be provided later.
U
R
Appendix A • Viewing angles
171