User manual
Publication 2092-UM001D-EN-P — July 2005
Ultra1500 Connector Data  2-9
Figure 2.4 
Transistor Output Hardware Configuration for OUTPUT 1, OUTPUT 2, OUTPUT 3, and 
FAULT Signals 
Figure 2.5
Transistor Output Hardware Configuration for FAULT1, FAULT2, and FAULT3 Signals 
The following table provides a description of the digital output specifications. 
Parameter Description Minimum Maximum
ON State 
Current
Current flow when the output transistor is ON — 20 mA
OFF State 
Current
Current flow when the output transistor is OFF — 0.1 mA
ON State 
Voltage
Voltage across the output transistor when ON — 1.2V
OFF State 
Voltage
Voltage across the output transistor when OFF — 28V
OUTPUT1-
TLP127
330 Ω
OUTPUT1+
0.5A Fuse
Logic Power
Ultra1500 
Drive 
Logic Ground
FAULT 1
KRC105S
Ultra1500 Drive 










