LED Descriptions
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PC Cards cifX PCI, PCIe, Low Profile PCIe | Installation, Operation and Hardware Description
DOC120204UM46EN | Revision 46 | English | 2015-12 | Relelased | Public
© Hilscher, 2008-2015
8.20 DeviceNet Master
For the DeviceNet Master protocol, the communication status LED
MNS
can assume the states described below. This description is valid from stack
version V2.3.
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 (2Hz)
Green/Red/Off
Self test after power on
(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
Minor or recoverable fault: No data exchange with one of the
configured Slaves. One or more Slaves are not connected.
Connection timeout.
No network power present.
(red)
On
Critical fault or critical 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 yet completed the Dup_MAC_ID test.
- The device is powered, but the network power is missing.
Table 70: LED states for the DeviceNet Master protocol
LED state
Definition
On
The indicator is constantly on.
Off
The indicator is constantly off.
Flashing (1 Hz)
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 (2 Hz)
green/red/off
The indicator turns on green on for 250 ms, then red on for 250 ms, then off.
Table 71: LED state definitions for the DeviceNet Master protocol
