© Edwards Limited 2010. All rights reserved.
Page 15
Edwards and the Edwards logo are trademarks of Edwards Limited.
Operation
D397-50-880 Issue C
4.3
Front panel display
Figure 11 - Profibus front panel display
Table 12 - Front panel symbols and their functions
Symbol
Name
Function
Data exchange
Module is in data exchange as defined by the Profibus standard.
Off-line
Module is not in data exchange as defined by the Profibus
standard.
Error
ON at the same time as Offline LED = Configuration or
parameterisation error.
Flashing at 1 Hz = Invalid address selected.
Power
Internal 5 V supply is operating.
Upper address
switch
Sets value of upper nibble of address (Hexadecimal).
Lower address
switch
Sets value of lower nibble of address (Hexadecimal).