Installation guide

In addition to connecting the physical Expansion Unit hardware to your HAL device, you must also add the
Expansion Unit to your HAL configuration.
NOTE: You can connect a maximum of thirty-two Expansion Units to a HAL1x device using a daisy-chain
configuration.
EXP1x Device
The EXP1x is a RAD and DRExpansion Unit for the HAL1x expansion bus. It adds 8 RAD ports to your HAL
System (providing a maximum of 16 additional input and 16 additional output channels). The EXP1x provides
CHAPTER 2: Introduction to the HAL System
60