Adamczewski AD-MM 400 Manual
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Contents
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4 Specifications4.1 RS-485 interfaceThe connection to the other devices must be established via a twisted shielded buscable. The order of the devices among each other is arbitrary. For reasons of electro-magnetic compatibility, the shield must be connected at both ends to a large area andto be connected in a good conducting manner to the protective end. The wiring mustbe in a bus structure. Branch lines longer than 5 m should be avoided. The two endsof the bus line must be terminated with a resistance of 120 Ω.Description Value UnitNorm RS-485Baudrate 19200 BaudData bits 8Stopbits 1Parity evenProtocol Modbus RTUMax. Cable length 12001 m1 This is only a guideline. The actual line length may vary depending on cable quality and interferenceon the transmission path down or up.4.2 Supply4.2.1 AC SupplyDescription Min Rated Max UnitVoltage 50 230 253 V ACFrequency 40 50 60 HzPower consumption 2,5 VA4.2.2 DC SupplyDescription Min Rated Max UnitVoltage 1 20 24 253 V DCPower consumption 1.5 W1 The polarity of the voltage at the connection terminals must be observed.10 |
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