LEDs
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netTAP NT 50 | Gateway Devices
DOC091202UM09EN | Revision 9 | English | 2013-02 | Released | Public
© Hilscher, 2010-2013
8.3.5
LED DeviceNet Master
The subsequent table describes the meaning of the LEDs for the fieldbus
when the firmware of the DeviceNet Master protocol is loaded to the de-
vice.
LED
Color
State
Meaning
Duo LED red/green
(green)
On
Device is online and has one or more connections in the established
state
(green)
Flashing
Device is online and has no connection in the established state
(green/red/
off)
Green/Red/
Off
Selftest after power on:
Green on for 0,25 s, then red on for 0,25 s, then off
(red)
Flashing Connection
timeout
(red)
On
Critical connection failure; device has detected a network error: duplicate
MAC-ID or sever error in CAN network (CAN-bus off)
MNS
(off)
Off
After start of the device and during duplicate MAC-ID check
Table 45: LEDs DeviceNet Master
8.3.6
LED DeviceNet Slave
The subsequent table describes the meaning of the LEDs for the fieldbus
when the firmware of the DeviceNet Slave protocol is loaded to the device.
LED
Color
State
Meaning
Duo LED red/green
(green)
On
Device is online and has one or more connections in the established
state
(green)
Flashing
Device is online and has no connection in the established state
(green/red/
off)
Green/Red/
Off
Selftest after power on:
Green on for 0,25 s, then red on for 0,25 s, then off
(red)
On
Critical connection failure; device has detected a network error: duplicate
MAC-ID or sever error in CAN network (CAN-bus off)
(red)
Flashing Connection
timeout
MNS
(off)
Off
After start of the device and during duplicate MAC-ID check
Table 46: LEDs DeviceNet Slave
