NORD Drivesystems BU0280 User Manual
Page 29
3 Displays and diagnosis
BU 0280 GB
Subject to technical amendments
29
3.1.1.2 Customer Unit SK CU4-DEV
LEDs MS and NS
The dual colour LEDs MS (Module Status) and NS (Network
Status)
indicate the status of the DeviceNet communication.
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 DeviceNet 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-DEV(-M12)
LEDs MS and NS
The dual colour LEDs MS (Module Status) and NS (Network
Status)
indicate the status of the DeviceNet communication.
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 and outputs of the
DeviceNet module. The corresponding LED lights up in case of a High signal.
These LEDs are only available in the DeviceNet module SK TU4-DEV-M12.
A detailed description of the LED displays for this module can be found in Section 3.1.2 “Signal status LEDs”.