User Manual

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LED Indicators
LED
Color
Description
PWR 1,
PWR 2
Green
Power is on
Off
Power is off
Ready
Green
Steady on: Power is on, and the unit is functioning
normally
Blinking: The unit is responding to the software’s
Locate function
Red
Steady on: Power is on, and the unit is booting up
Blinking: Indicates an IP conflict, or the DHCP or
BOOTP server is not responding properly
Flashing quickly: the microSD card failed
LAN
Green
(Flashing
only)
The Ethernet port is receiving or transmitting data
Modbus TCP Client:
Modbus communication in progress
Modbus TCP Server:
Modbus communication in progress
EtherNet/IP Adapter:
EtherNet/IP communication is exchanging data
PROFINET IO Device:
PROFINET communication is exchanging data
Red
(Flashing
only)
A communication error occurred
Modbus TCP Client:
1. Received an exception code or framing error
(parity error, checksum error)
2. Command timeout (slave device is not
responding)
3. TCP connection timeout
Modbus TCP Server:
1. Received an invalid function code or framing
error
(parity error, checksum error)
2. Accessed invalid register address or coil address
EtherNet/IP Adapter:
The connection was refused due to incorrect
configuration
Off
No communication
MB*
Green
(Flashing
only)
Modbus is receiving or transmitting data
Red
(Flashing
only)
A communication error occurred
Master Mode:
1. Received an exception code or framing error
(parity error, checksum error)
2. Command timeout (the slave device is not
responding)
Slave Mode:
1. Received an invalid function code or framing
error
(parity error, checksum error)
2. Accessed invalid register address or coil address
Off
No communication