National Instruments Module SCXI-1503 - Manual (Page 68)

Appendix C Common Questions
© National Instruments Corporation C-3 SCXI-1503 User Manual
Does short-circuiting a current-output channel do any damage to the
SCXI-1503?
No. The SCXI-1503 delivers 100
μA into any load from 0 Ω to 100 kΩ.
Does open-circuiting a current-output channel damage the
SCXI-1503? What is the open-circuit voltage level?
No. An SCXI-1503 current-output channel is not damaged if no load is
connected. The open-circuit voltage is 12.4 VDC.