Delta Tau ADVANTAGE 900 BASIC PACKAGE Manual do Utilizador descarregar pdf (Página 11)

Universal Serial Operator Control Logic Board

SOCLB Hardware Configuration 7

SOCLB HARDWARE CONFIGURATION

Connections

The following tables detail the standard hardware configuration connections and several optional

hardware configuration connections for the SOCLB. The Advantage 8xx SOCLB is a true USB

(Universal Serial Bus) plug and play I/O device. If purchasing an Advantage 8xx CNC system, all the

necessary hardware settings will be properly configured.

Power Connection, J28

The SOCLB will operate properly with either +5Vdc (minimum 1 amp current) or +12vdc (minimum .75

amp current) voltage applied at J28, which uses a four-pin Molex connector. Care should be taken to

insure that the proper signal is applied to the proper pin on J28. The table below lists the J28 pin number

and the proper signal connection.

Pin Number Connection

Pin 1 +12Vdc

Pin 2 Ground

Pin 3 Ground

Pin 4 +5Vdc

J1 USB Interface Port

The SOCLB has one (1) USB B port connector and three USB A port connectors. The current SOCLB

only supports the B port connector that interfaces to the A port of the computer motherboard. Future

releases of the SOCLB will include support for the A port connectors.

USB Maximum Cable Length

The maximum cable length according to the USB Specification 1.1 for a full speed cable is 5m (~15ft).

According to the USB specification, up to five USB cables can be connected together using a hub to

create a maximum length of 30m (~98ft). In addition, to extend the length of the USB connection there

are USB active extension cables available. Although the USB active extension cables are prohibited by

the USB specification, they are known to work on some applications.

There are various USB cables available on the market today. Use only a high quality USB cable

(shielded). Using higher quality USB cables, Delta Tau has managed to operate with 10m (30ft) cables

without the use of an active extension cable or hub. However, a shorter cable is always a better choice.

When distances of greater than 10m (~30 ft.) are required, a product called USB Extend-It can be used for

up to 90m (~300 ft.)

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Delta Tau ADVANTAGE 900 BASIC PACKAGE Manual do Utilizador Página 11