© National Instruments Corp. 7 FP-CTR-502 and cFP-CTR-502
Figure 4. Wiring an Output Channel to a Sourcing-Input Device
If you connect a [c]FP-CTR-502 output to an externally powered sourcing-input device, be aware that the voltage applied to the VOUT terminal by the external device must not exceed the voltage level of the power supply connected to the [c]FP-CTR-502.Figure 5. Wiring an Output to an Externally Powered Sourcing-Input Device
Load
To next channel
[c]FP-CTR-502
VC
+–
COM
VSUP
VOUT
Sinking-
Output
Circuitry
5–30 VDC
External
Power Supply
2 A max
1 A max
Load
+
–
To next channel
[c]FP-CTR-502
COM
V
SUP
V
OUT
Sinking-
Output
Circuitry
≤
V
SUP
External
Power Supply
VC
+–
5–30 VDC
External
Power Supply
1 A max
V
SUP