User Manual
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LED
Color
Description
PBS
Green
(Flashing
only)
PROFIBUS is receiving or transmitting data
Red
(Steady)
Error in the configuration or parameter data.
Off
PROFIBUS offline or Slave ID is wrong.
Eth1,
Eth2
Green
Indicates an 100 Mbps Ethernet connection
Amber
Indicates a 10 Mbps Ethernet connection
Off
The Ethernet cable is disconnected
*Only indicates serial communication status; for Modbus TCP status,
please refer to LAN LED indicator.
Reset Button
Restore the MGate to factory default settings by using a pointed object
(such as a straightened paper clip) to hold the reset button down until the
Ready LED stops blinking (approximately five seconds).
Pull-Up, Pull-Down, and Terminator for RS-485 (Modbus)
On the MGate 5111’s left side panel, you will find DIP
switches to adjust each serial port’s pull
-up resistor,
pull
-down resistor, and terminator.
SW
MODBUS
1
2
3
Pull-up
resistor
Pull-down
resistor
Terminator
ON
1 KΩ
1 KΩ
120 Ω
OFF
150 KΩ
(default)
150 KΩ
(default)
– (default)
Rotary Switch
Before communicating, you must assign a slave ID to the
PROFIBUS slave, If you would like to assign an address
between 0 to 99, you need to change
the rotary switch to
the desired address. If you would like to assign an
address which is over 99, you must set it via web
console.
Hardware Installation Procedure
1. Connect the power adapter. Connect the 12-48 VDC power line or
DIN-rail power supply to the MGate 5111’s terminal block. Make sure
the adapter is connected to an earthed socket.
2. Use a PROFIBUS cable to connect the MGate to a PROFIBUS PLC or
other PROFIBUS master.
3. Use an Ethernet cable to connect the MGate to the Modbus TCP client,
Modbus TCP server device, PROFINET IO controller, or EtherNet/IP
scanner device.
4. The MGate 5111 is designed to be attached to a DIN rail or mounted
on a wall. For DIN-rail mounting, push down the spring and properly
attach it to the DIN rail until it “snaps” into place. For wall mounting,
install the wall-mount kit (optional) first and then screw the device
onto the wall.