hilscher netHOST NHST-T100, User Manua

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LEDs 52/75
10 LEDs
This chapter describes the meaning of the LEDs of the netHOST device.
For identification of the LEDs on the device, please refer to section
Positions of the LEDs, connectors and control elements [
}
page 31].
10.1 SYS LED
This LED indicates basic operating states which are independent of the
configuration of the device.
LED Color State Meaning
SYS
RTE devices:
position
(4)
Fieldbus devices:
position
(5)
Duo LED yellow/green
(green)
On Operating System running. For further diagnosis, see APL LED.
(yellow)
On The hardware of the device is defective and needs replacement.
(yellow)
Flashing
The device could not be initialized. No boot loader was found in
the load memory. The load memory of the device might be
defective or a USB cable, which has pin 4 connected with ground,
might be attached to the device. This prevents the device from
starting.
(yellow/
green)
Flashing
yellow/green
1 Hz
Error state! Boot loader active.
Firmware file is missing or defective. The device needs to be
recovered by SD memory card or via USB. See chapter
Firmware
recovery [
}
page 45].
(yellow/
green)
Flashing
yellow/green
16 Hz
Data is being copied from the SD memory card into the internal
load memory.
(off)
Off Power supply for the device is missing or hardware is defective.
Table 34: System LED
netHOST NHST-T100 | LAN controlled master devices
DOC130401UM05EN | Revision 5 | English | 2018-05 | Released | Public © Hilscher 2013 – 2018