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Original instructions
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Original instructions
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Module
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Communication Channels
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Bus Current Required
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140 NOM 211 00
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1 Modbus (RS-232) serial port
1 Modbus Plus network (RS-485) port
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780 mA
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140 NOM 212 00
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1 Modbus (RS-232) serial port
2 Modbus Plus network (RS-485) ports
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780 mA
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140 NOM 252 00
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1 Modbus (RJ45) port
2 Modbus Plus on fiber (consisting of optical receiver and transmitter)
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750 mA
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