Datalogic CBX800 Installation Manual download pdf (Page 10)

CBX800 INSTALLATION MANUAL

The input power signals Vdc, GND and Earth as well as the network signals REF, ID+, ID- and Shield; and

RTX+, RTX- and SGND are repeated to facilitate system cabling. In this way the power and network busses can

enter and exit the CBX800 from different spring clamps but be physically connected together.

NOTE

To avoid electromagnetic interference:

- Connect CBX800 Protection Earth (Earth) to a good earth ground.

- Connect the reading device chassis to earth ground through the jumper, (default setting,

seeFigure 7).

- Connect the Network Cable Shield (Shield) to Filtered Earth through the jumper (default

setting, see Figure 6).

CAUTION

Do not connect to the Host Interface spring clamp terminals if using Host Interface Modules

(Fieldbus and non Fieldbus).

JUMPER SETTINGS

POWER SOURCE JUMPER SETTINGS

For most applications input power is provided through the dedicated spring clamp connectors inside the CBX800.

However CBX800 may accept power from the connected reading device through the 25-pin connector. This is

useful, for example, to pass power to connected accessories such as Encoder and Presence Sensor from DX8200A

VAC models or 6K/8K scanners powered directly through the network. See the relative reading device Reference

Manual for details.

To power CBX800 from the reading device, the power source jumper must be placed in the "power from device"

position as indicated in Figure 6.

Power from

device

Power from

clamps

(default)

Figure 6–Power Source Jumper Settings

SOURCE SHIELD JUMPER SETTINGS

The reading device shield (Shield) can be connected to Earth Ground (Earth) either directly or through a filter

circuit. If the jumper is left open, the network cable shield (Shield) is floating.

Equivalent

Filter Circuit

Filtered Earth (default)

Earth

Floating

Figure 7– Source Shield Jumper Settings

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Datalogic CBX800 Installation Manual Page 10