ABB Module AX645 3BHB001914R1 3BHB001914R0001 ABB AX645 ANALOG I/O MODULE New foreign imports

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ABB Module AX645 3BHB001914R1 3BHB001914R0001 ABB AX645 ANALOG I/O MODULE New foreign imports

Product Description:

Technical data of analog inputs Number of channels per module, oper. mode"12 bits" 8 Number of channels per module, oper. mode "8 bits" up to 16 Configurability oper. mode "12 bits" ±10 V, 0...20 mA (each channel can be configured individually) Configurability oper. mode "8 bits" 0...10 V, 0...20 mA (channels can be configured in pairs) Signalization of input signals see diagnosis Input resistance per channel voltage input > 100 kΩ current input approx. 330 Ω The current input has a self-protecting feature. If the current gets too high, the current input shunt is switched off and the value for "overflow" is output. Re-activation is attempted again in increments of approx. 1 second to facilitate the correct  measurement as soon as the current regains acceptable limits.Time constant of the input filter 470 μs for voltage,100 μs for current

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Diagnosis see chapter Operation and error displays a total of 17 LEDs,see chapter "Diagnosis and displays"Method of connections removable screw-type terminal blocks supply terminals, CS31 system bus max. 1 x 2.5 mm2 or max. 2 x 1.5 mm2 all other terminals max. 1 x 1.5 mm2 Max. length of the analog cables,two-core shielded and cross section > 0.5 mm2 100 m Conversion error of the analog values (non-linearity, factory calibration and resolution) typ. 0.5 %, max. 1 %Max. permissible potential difference between terminal M (minus of the supply voltage) and terminals AGND (minus of analog inputs and outputs) ± 1 V Common reference potential for all analog signals AGND (minus terminal of analog inputs and outputs) Electrical isolation of analog signals

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