Led Indicators; Led Indicators For Network Adapters - Moxa Technologies ioLogik 4000 Series User Manual

ioLogik 4000

LED Indicators

This section describes the LED indicators on the ioLogik 4000 system.

LED Indicators for Network Adapters

The NA-4010 Ethernet Network Adapter has 5 LED indicators, as described in the following table.
LED Name
SYS
LINK
ACTIVE
I/O
Field Power
LED Color
Off No power.
Green Steady On: Operating condition normal.
Red/Green Toggling: Modbus error (e.g., watch dog timer error)
Steady On: EEPROM checksum error.
Red Flashing: Memory error or CPU watchdog error.
* Please contact your vendor for assistance.
Green Ethernet connected.
Green Flashing: Transmitting or Receiving data over Ethernet.
Off No I/O module detected.
Steady On: System bus to I/O modules is running normally.
Green Flashing: System bus to I/O modules ready. But the Network
Adapter is not exchanging data with I/O modules.
Steady On: System bus communication failure.
Flashing: One or more I/O modules are in an error state.
* The following situations may cause a red I/O LED.
Red
a. I/O module plugged in during operation.
b. I/O module not firmly locked on the rail.
c. One of the modules is damaged.
Off 24 VDC field power is not connected
Green 24 VDC field power detected
2-9
Hardware Installation
LED Function