
OM-IO-Link Master.017
01/21
IO Link Master - PROFINET
NC-MP-4A4B-12DLA/AL1403
This device is “powered by ifm”. In all electronic interfaces, this device will
appear as AL1403. All firmware and electronic files are provided by ifm.
The device only has the following LED indicators:
The RDY LED shows the status of the gateway.
The BF LED (Bus Failure) shows the status of the PROFINET connection. The
SF LED (System Failure) shows the status of the system.
Each Ethernet port has 2 LEDs (LNK and ACT). The LEDs indicate the status of the Ethernet connection.
7.2. LED indicators
7.2.1. Status LEDs
7.2.2. Ethernet ports
Status LED
Description
RDY
green
on
Status: OK
flashes 5 Hz
Status: Error
flashes (200 ms on, 800 ms off)
Status: Firmware update is running
off
Status: Gateway not running or gateway booting
BF
red
on
Bus error
flashes 1 Hz
No connection to the PROFINET controller
off
error-free
SF
red
on
• Error in gateway
• At least 1 IO-Link device sends warning / alarm (temperature, over/under current, over/under voltage, shortcut)
off
error-free
Status LED
Description
LNK
green
on
Ethernet connection established
off
No Ethernet connection
ACT
yellow
flashes
Data is transmitted via the Ethernet interface.
off
No data transmission