Page 14 - Parker - Isysnet serial bus system selection guide

12 Isysnet

Typical Configurations
Power Distribution Options

Isysnet Communication Adapter and I/O Modules

24V Power
Supply

An auxiliary 24VDC power supply provides power to the PointBus backplane and I/O modules. You can connect up to 13 I/O
modules and an adapter with a maximum of 10 A field power, using the auxiliary power.

Isysnet System with 24VDC Expansion Power Unit (PSSSE24A)

PSSSE24A

24V Power
Supply

24V Power
Supply

The auxiliary power supports up to 13 I/O modules and an adapter with a maximum of 10 A field power. The 24VDC expansion
power unit (PSSSE24A) extends the backplane bus power to support up to 13 more I/O modules. Connect additional expansion
power units to expand the I/O assembly up to the maximum of 63 I/O modules.

Publication PSS-SG001A-EN-P – June 2005