User Manual

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Hardware Introduction
LED Indicators
LED
Color
Description
Ready
Off
Power is off or a fault condition exists
Green
Steady: Power is on, and the MGate is
functioning normally
Red
Steady: Power is on, and the MGate is booting
up
Blinking slowly: Indicates an IP conflict, or the
DHCP or BOOTP server is not responding
properly
Flashing quickly: the microSD card failed
MB/EIP Off Modbus: No communication with Modbus
device
EtherNet/IP: No I/O data exchange
Green
(Blinking)
Modbus: Communication in progress
EtherNet/IP: I/O data is exchanging
Red
(Blinking)
Communication error
When MGate 5103 acts as Modbus
Client/Master:
1. Slave device returned an error
(exception)
2. Received a frame error (parity error,
checksum error)
3. Timeout (slave device is not responding
or TCP connection timed out)
When MGate 5103 acts as Modbus
Server/Slave:
1. Received invalid function code
2. Master accessed invalid register address or
coil addresses
3. Received frame error (parity error,
checksum error)
When MGate 5103 acts as EtherNet/IP
adapter:
1. Refuses connection due to incorrect
configuration
PN
Off
No connection with PROFINET I/O controller
Green
(Blinking)
PROFINET I/O is connected and the controller
is in RUN mode
Red
(Blinking)
PROFINET I/O is connected, but the controller
is in STOP mode