Measurement-computing PointScan 300 Series rev.1.0 Manuel d'utilisateur télécharger pdf (Page 16)

3-2 Power and PT-Bus Wiring

9-12-01

PointScan/300 User’s Manual

PT-Bus Wiring Guidelines

PT-Bus wiring connects the PointScan/300 Series I/O modules and expanders to the gateway. Follow the

guidelines for reliable performance.

PT-Bus Capability

Max. modules controlled by one gateway 128

Max. modules connected directly to gateway 20 (any mix)

Required cable type Any with 2 individually

shielded pairs, 22AWG min.

Recommended cables Alpha 2466C, Belden 8723,

Carol C1352

Max. cabling off each gateway or expander 50 ft. (16M)

Connect up to 20 I/O modules directly to the

gateway with a maximum total cabling of 50 feet

(16m).

PT-Bus connections may form star configurations

without restrictions.

PT-Bus wiring may be extended into additional cabinets as long as the total length of wire

connected to the gateway or expander stays within the 50 foot limit (16m).

Use the supplied PT-Bus jumpers between adjacent PointScan components. Otherwise, use the

recommended cable.

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Measurement-computing PointScan 300 Series rev.1.0 Manuel d'utilisateur Page 16