
Balluff Network Interface Profinet, BNI PNT-502-001-Z002
www.balluff.com
8
4
Technical data
4.5
Function
indicators
The BNI PNT-502 has got some LEDs to signalize the actual operation state. The module
status LEDs show the status of the Profinet communication and the status of the power
supplies. The port LEDs (I/O and IO Link) show the actual process signal.
Module LEDs
LED
State
Function
US
Green
Red
US, Module and sensor power supply OK
US, Module and sensor power supply low power
UA
Green
Red
UA, actuator power supply OK
UA, actuator power supply low power
PN1
Green,
Off
ProfiNet communication activ at Port PN1
ProfiNet communication not active at Port PN1
PN2
Green,
Off
ProfiNet communication activ at Port PN2
ProfiNet communication not active at Port PN2
ERR
Red
Off
Error module
No error
I/O Port LEDs
LED
State
Function
“0”
Off
Yellow
Red
Input-/output signal at
Pin 4 „0“
Input-/output signal at Pin 4
„1“
Short circuit at Pin 4
“1”
Off
Yellow
Red
Input-/output signal at Pin 2
„0“
Input-/output signal at Pin 2
„1“
Short circuit at Pin 2
“0” & “1”
Red
Short circuit at Pin 1
IO Link Port LEDs
The following table describes the function indicators fort he IO Link port if configured as IO
Link function. If configured as standard I/O port you can use the table describing standard
I/O port functionality.
LED
State
Function
“0”
Green flashing
Green
Red
No IO Link connection
IO Link
–communication active
Short circuit at Pin 4
“1”
Off
Yellow
Red
Input-/output signal at Pin 2
„0“
Input-/output signal at Pin 2
„1“
Short circuit at Pin 2
“0” & “1”
Red
Short circuit at Pin 1