User Manual
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Dimensions
Unit: mm (inch)
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
Beneath the MGate 5103’s top cover, you will find DIP switches to
adjust each serial port’s pull-up resistor, pull-down resistor, and
terminator.
SW
1
2
3
Pull-up
resistor
Pull-down
resistor
Terminator
ON
1 kΩ
1 kΩ
120 Ω
OFF
150 kΩ*
150 kΩ*
–*
*Default
Hardware Installation Procedure
1. Connect the power adapter. Connect the 12-48 VDC power line or
DIN-rail power supply to the MGate 5103’s terminal block.
2. Use a serial cable to connect the MGate to the Modbus device.
3. Use an Ethernet cable to connect the MGate to the PROFINET IO
controller.
4. The MGate 5103 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-mounting kit (optional) first and then
screw the device onto the wall.