B-84 E6198B Switch/Load Unit User Manual
B Register Definitions
Digital Output (W) Base + 4
h
Writing to the Digital Output register sets the output value of
the custom card ccSpare_DigOut[0]- ccSpare_DigOut[7] signals.
The outputs of ccSpare_DigOut[x] are open drain with a light
pull-up (100 k ohm).
Writing a 1 sets the output of a open collector driver on
(meaning that the output voltage is pulled low):
The reset state of this register is 0
h
(all outputs off). This output
can be used for general-purpose relay, lamp and solenoid drive
requirements.
Bits76543210
Write
Dout
7
Dout
6
Dout
5
Dout
4
Dout
3
Dout
2
Dout
1
Dout
0
ccSpare_DigOut[x] Driver state Nominal output value
1 on 0 volts
0 off +5 Volts or pull up value