NORD Drivesystems BU0220 User Manual
Page 30
PROFIBUS DP
– Supplementary manualfor NORD Frequency Inverter SK 2xxE
30
Subject to technical amendments
BU 0220 GB-0912
3.1.1.2 Customer unit SK CU4-PBR
LEDs BR (or BS) and BE
The dual LEDs BR (BUS Ready) and BE (BUS Error) indicate the
communication status of the PROFIBUS DP.
LEDs DS and DE
The dual colour LEDs DS (Device State) and DE (Device Error) indicate
the status of the module and the status of the system bus.
LEDs D1 and D2
The single colour LEDs D1 (DIN 1 (Digital input 1)) and D2 (DIN 2 (Digital input 2)) indicate the signal status of the
digital inputs of the PROFIBUS DP module. The corresponding LED lights up in case of a High signal.
A detailed description of the LED displays for this module can be found in Section 3.1.2 "Signal status LEDs".
3.1.1.3 Technology unit SK TU4-PBR (-M12)
LEDs BR (or BS) and BE
The dual LEDs BR (BUS Ready) and BE (BUS Error) indicate the
communication status of the PROFIBUS DP.
LEDs DS and DE
The dual colour LEDs DS (Device State) and DE (Device Error)
indicate the status of the module and the status of the system bus.
LEDs DI1 to DI4 and DO1 and DO2
The single colour LEDs DI1 (DIN 1 (digital input 1)) to DI4 (DIN 4 (digital input 2)) and DO1 (DOUT 1 (digital
output 1) and DO2 (DOUT 2 (digital output 2)) indicate the signal status of the digital inputs or outputs of the
PROFIBUS DP module. The corresponding LED lights up in case of a High signal.
These LEDs are only available in the PROFIBUS DP module SK TU4-PBR-M12.
A detailed description of the LED displays for this module can be found in Section 3.1.2 "Signal status LEDs".