User`s manual

BL4S100 User’s Manual 125
The four LED output indicators can be configured as sinking outputs or as sourcing out-
puts via jumpers on headers JP1–JP4 as shown in Figure C-4.
Figure C-4. LED Output Indicators Sinking or Sourcing Configuration
NOTE: Disconnect power before changing any jumper settings.
The power supply voltage input at +V on screw-terminal
header J3 is available as +V_ALT on screw-terminal
header J1. There is a potentiometer immediately above
the +V_ALT location to allow you to vary the voltage at
+V_ALT from 0 V to +V.
Figure C-5 shows the location of the adjustable output
voltage and the potentiometer.
Figure C-5. Location of
Adjustable Output Voltage
+K
(in sinking
mode)
(in sourcing
mode)
Sinking/
Sourcing
Hookups
J1
POT