Datalogic-scanning C-BOX 200 Manual do Utilizador descarregar pdf (Página 20)

C-BOX 200

2.4.5 RS485 Bus Termination

OFF

Figure 12 - Termination Resistance Switch

This switch enables or disables the insertion of the bus termination resistor for RS485

Half Duplex Multidrop applications.

CAUTION

In Multiplexer applications the termination resistor must be enabled

ONLY on the last device of the chain, the farthest away from the

Multiplexer (assuming the Multiplexer is the first device of the

chain). On all the other devices this resistor MUST NOT be enabled

(OFF position).

NOTE

For all RS485 connections, in case of electrically noisy environments:

C-BOX 200 should be connected to a good earth ground (pin 7 or 8),

RS485 CABLE SHIELD should be connected to pin 7 or 8, the scanner

chassis should be connected to EARTH GROUND through the jumper,

see Figure 10.

2.4.6 OM4000 Jumper Settings

J1 J2

Figure 13 - OM4000 Jumpers

The jumpers allow connection to the EXT TRIG signals on separate spring clamp

terminals for applications which use the OM4000 Oscillating Mirror in Trigger Mode.

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