12
Braking resistor
Single-phase input
power supply
Connect to upstream device
Braking resistor
Single-phase input
power supply
Connect to upstream device
Fig.3-2 Wiring mode with communication input port
Control terminals
Note: The common reference for the analog and digital terminals is COM, and there is’t GND
terminal.
1) The MD300A has two kind of user interface boards, and the customers must select which they
want in the order: One is with communication function, and the other with analoge input function.
The control terminals on the boards are arranged as following separately:
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