User's Manual

UL-801 Installation Manual
Page 19
23-20-06 15 December 2011
J. Discrete Inputs/Outputs
UniLink provides 10 general purpose discrete input connections and 14 general purpose
discrete output connections.
Discrete Inputs
Basic UniLink Discrete Input
Configurable Discrete Inputs
The discrete input signal types and active states (in other words, whether the signal state is
active when the input is open or connected to a ground) are configurable.
The following discrete input types are selectable from the UniLink Discrete Input
Configuration menu:
Park Brake Set
Park Brake Set Options
Active State Active Inactive
Ground Park Brake Set Park Brake Released
Open Park Brake Set Park Brake Released
Strut Comp
Strut Comp Options
Active State Active Inactive
Ground Strut Compressed Strut Not Compressed
Open Strut Compressed Strut Not Compressed
5 VDC
3.3 VDC
DISCRETE
INPUT
NOTE: THE TRANSITION VOLTAGE VALUE IS 3.8 VDC.
THE ABOVE CIRCUIT IS INTERNAL TO UNLINK.