Datalogic CBX500 Installation Manual
Also see for CBX500: Installation manualInstallation manualInstruction manual
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CBX500 INSTALLATION MANUAL12RS485 HDONOFFFigure 11 – RS485 HD Termination Resistance SwitchThe RS485 HD termination resistance switch enables or disables the insertion of the bus termination resistor forRS485 Half Duplex Multidrop applications.CAUTIONIn Multiplexer applications the termination resistor must be enabled ONLY on the last deviceof the chain, the farthest away from the Multiplexer (assuming the Multiplexer is the firstdevice of the chain). On all the other devices this resistor MUST be OFF (disabled).This switch must also be OFF (disabled) when Fieldbus Modules are used.INDICATOR LEDSblue/redyellowgreenyellowgreenFigure 12 – Indicator LEDsThere are five Indicator LEDs which signal power and I/O activity and are visible from the CBX500 outside cover.The Power LED is blue when power is correctly applied to the CBX500 and the power switch is turned on.This LED is red if power polarity is incorrect. In this case the connected reading device and optional BackupModule are protected.CAUTIONIf external I/O devices are powered through CBX500 (connected to +V/-V), they are notprotected from polarity inversion.The remaining four LEDs signal activity on the relative I/O lines. Their meaning depends on the softwareconfiguration of the connected reading device. |
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