13.2.2 Md 248I-12-8K/L4-2R2K - Leuze electronic MD 748i Connecting And Operating Instructions

PWR
MOD
(Module
Status)
NET
(Network
Status)
1-4
Ports 1-4 DI
EIP 1
EIP 2

13.2.2 MD 248i-12-8K/L4-2R2K

The MD 248i-12-8K/L4-2R2K (8-port IP20 DIN rail model) provides these LEDs.
Leuze electronic
MD 748i-11-42/L5-2222 LEDs
A lit green PWR LED indicates that the IO-Link Master is powered.
The MOD LED provides the following information:
• Off = No errors or there is no PLC connection
• Flashing red
 One or more errors detected when NET is off
 Fatal error when NET is also flashing
• Steady red = Maintenance required or demanded
The NET LED provides the following information:
• Off = No PLC connection
• Steady green = PLC connection established
• Flashing red = Fatal error when MOD is also flashing
This LED provides the following information about the IO-Link port.
• Off: SIO mode - signal is low or disconnected.
• Yellow: SIO mode - signal is high.
• Flashing red: Hardware fault - make sure that configured IO-Link settings on the
port do not conflict with the device that is attached:
 Automatic Upload and/or Download is enabled and it is not the same
device.
 Device Validation Mode is enabled and it is not the correct device.
 Data Validation Mode is enabled but there is an error.
• Solid red - PDI of the attached IO-Link device is invalid.
• Solid Green: An IO-Link device is connected and communicating.
• Blinking Green: Searching for IO-Link devices.
The DI LED indicates digital input on DI (Pin 2).
• Off: DI signal is low or disconnected
• Yellow: DI signal is high
The EIP LEDs provide the following information:
• Green /Blinking = Activity
• Green/lit LED = Link established
13 Troubleshooting and Technical Support
MD 748i / MD 248i 91