Power Electronics GBC05CI, Manual

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POWER ELECTRONICS ETHERNET GATEWAY
INSTALLATION AND CONNECTION
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3.3.2. Variable Speed Drives of SD250 Series
Use S+ terminal to connect RS485 high signal and S- terminal to
connect RS485 low signal.
Figure 3.7 TB1 connector of the control board
General specifications:
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Transmission form: Bus method, Multi drop Link System.
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Applicable drive: SD250.
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Connectable drives: Maximum 31.
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Transmission distance: Below 1.200m maximum (700m recommended).
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Cable recommended: 0.75mm² (18AWG), Shielded twisted pair.
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Installation: S+ and S- terminals of TB1 connector and CM terminal of TB4
connector located on control board.
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Power supply: Power supply insulated from the inverter power supply.
Specifications of the communication:
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Communication speed: 19200 / 9600 / 4800 / 2400 / 1200 bps. Selectable.
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Control procedure: Asynchronous communication system.
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Communication system: Half duplex.
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CRC sum check: 2 byte.