Keithley 7011-S Instruction Manual page 84

Table .5d
Troubleshooting procedure
step
1
2
3
4
5
6
7
8
9
10
11
Item/component
GND pad
+6V pad
+5V pad
+14.6V pad
+V pad
u105, pin 5
U105, pin 6
uloo, pin 7
Uloa, pin 2
UlOO, pin 3
ulooa1o4, pins 10-M
+iwDc
+5vDc
+14.6VDC
+3.5vDc*
IDCLKpulseS
ID DATA pulses
STROBE pulse
CLK pukes
DATA pukes
Low with relay energized;
high with relay de-energized.
L
ChNllent.5
All voltages referenced to digital ground
(GND pad).
Relay voltage.
Logic voltage.
Relay bias voltage.
Regulated relay voltage.
During power-up only.
During power-up only.
End of relay update sequence.
During relay update sequence only.
During relay update sequence only.
Relay driver outputs.
5-19