LED Descriptions
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PC Cards cifX PC/104 | Installation, Operation and Hardware Description
DOC120206UM42EN | Revision 42 | English | 2014-12 | Released | Public
© Hilscher, 2008-2014
8.22 DeviceNet Slave
The subsequent table describes the meaning of the LEDs for the PC card
cifX DeviceNet Slave when the firmware of the DeviceNet Master protocol
is loaded to the device.
LED
Color
State
Meaning
Duo LED red/green
(green)
On
Device Operational AND On-line, Connected
Device is online and has established all connections with all Slaves.
(green)
Flashing (1 Hz)
Device Operational AND On-line
Device is online and has established no connection in the established
state.
- Configuration missing, incomplete or incorrect.
(green/red/off)
Flashing
Green/Red/Off
Selftest after power on:
Green on for 250 ms, then red on for 250 ms, then off.
(red)
Flashing (1 Hz)
Minor Fault and/or Connection Time-Out
Device is online and has established one or more connections in the
established state. It has data exchange with at least one of the
configured Slaves.
Minor or recoverable fault: No data exchange with one of the
configured Slaves. One or more Slaves are not connected.
Connection timeout
(red)
On
Critical Fault orCritical Link Failure
Critical connection failure; device has detected a network error:
duplicate MAC-ID or severe error in CAN network (CAN-bus off).
MNS
(off)
Off
Device is not powered
- The device may not be powered.
Device is not on-line and/or No Network Power
- The device has not completed the Dup_MAC_ID test yet.
- The device is powered, but the network power is missing.
Table 63: LEDs DeviceNet Slave
LED State Definition for DeviceNet Slave for the MNS LED
Indicator state
Definition
On
The indicator is constantly on.
Off
The indicator is constantly off.
Flashing (1 Hz)
green
The indicator turns on and off with a frequency of appr. 1 Hz:
on for appr. 500 ms, followed by off for appr. 500 ms.
Flashing (1 Hz)
red
The indicator turns on and off with a frequency of appr. 1 Hz:
on for appr. 500 ms, followed by off for appr. 500 ms.
Table 64: LED State Definition for DeviceNet Slave for the MNS LED
