Appendix B – Circuit Board Locations, Bed Wiring Diagrams
226
B.3 VOLTAGE CHARTS
BASE
Component P/N Voltage Point of Measurement
(+Meter Lead)
Reference Point me
(– Meter Lead)
Head/Foot Lift Motor
p/n 3000–200–213
110 VAC Motor
Hot (black/red) wire
Neutral (white) Line
Head/Foot Capacitor
p/n 3000–300–243
110 VAC Capacitor
(black/red) wire
Neutral (white) Line
(Lift Motor neutral)
Head/Foot Lift Pots
p/n 3000–200–806/807
+5 VDC Potentiometer
(terminal 3)
Potentiometer
(terminal 1)
Brake Switch
p/n 3000–300–58
+5 VDC Brake Switch Digital Ground (Nega-
tive lead of C18 on litter
CPU board)
LITTER
Component P/N Voltage Point of Measurement
(+Meter Lead)
Reference Point me
(– Meter Lead)
DMS Port
p/n 3000–302–819
+24 VDC Pins 1,6,7
(tied in parallel)
Pins 3,8,12
(tied in parallel)
DMS Power Supply
p/n 3000– 302–939
+24 VDC J3, pin 2 J3, pin 1
DMS Power Supply
p/n 3000– 302–939
110 VAC J1, pin 2 J1, pin 1
DMS Power Supply
p/n 3000– 302–939
110 VAC J2, pin 2 J1, pin 1
Scale Power Supply
p/n 3000–307–953
110 VAC J2, pin 2 J2, pin 1
Scale Power Supply
p/n 3000–307–953
110 VAC J1, pin 2 J1, pin 1
Scale Power Supply
p/n 3000–307–953
+12 VDC P1, pin 1 P1, pin 2
Serial IFC
p/n 3000–300–965
+12 VDC P3, pin 1 P3, pin 2
Serial IFC
p/n 3000–300–965
+12 VDC P4, pin 1 P4, pin 4
Serial IFC
p/n 3000–300–965
+12 VDC P1, pin 7 P1, pin 6
Serial IFC
p/n 3000–300–965
+12 VDC P2, pin 7 P2, pin 6
Serial IFC
p/n 3000–300–965
+12 VDC P5, pin 1 P5, pin 4
Litter CPU
p/n 3000–300–941
110 VAC P1, pin 10 P1, pin 1
Litter CPU
p/n 3000–300–941
110 VAC P1, pin 3 P1, pin 2