32DF9T02.B
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E. ELECTRICAL WIRING DIAGRAMS
1. DIAGRAM LEGENDS
a. Color Codes
TABLE 3-2: WIRE COLOR CODES
LETTER COLOR LETTER COLOR
BLK Black RED Red
BLU Blue VIO Violet
BRN Brown GRY Gray
GRN Green WHT White
ORG Orange YEL Yellow
END OF TABLE
b. Electrical Signal Codes
Down valve solenoid drive signal
IN/OUT motor in - power to IN/OUT motor (stows platform when positive)
Common terminal of IN/OUT switch (connected to PPWR)
Signal from control pendant requesting a STOW operation
Pump motor solenoid drive signal
Power to rollstop motor - closes rollstop when positive
Power to rollstop motor - opens rollstop when positive
Supply voltage current rating
Signal from control pendant requesting a DEPLOY operation
Rollstop closed signal
Rollstop opened signal
Signal from control pendant requesting an UP operation
Pendant power
Positive voltage supply
IN/OUT motor out - power to the IN/OUT motor (deploys platform when positive)
+VDC 30A
UPA
+VDC
RS C SG
RS O
RS C
RS O SG
I/O M O
OUTA
PUP
PPWR
I/O M I
I/O COM
INA
Signal from control pendant requesting a DOWN operation
Cycle counter signal
Stow switch #2 normally open
Stow switch #2 common
Word logic signal to bus
Word logic signal to bus
Door open signal from bus
Door closed signal from bus
CS
CTR
CS=
DWNA
DWNVLV
DO
DC
BIT 0
BIT 1
K1-NC
K1-NO Stowed indicator relay-normally open
Stowed indicator relay-normally closed
POT
POT +
POT =
Hydraulic cylinder potentiometer ground
Hydraulic cylinder potentiometer positive
Hydraulic cylinder potentiometer wiper
U/D COM
Common terminal of UP/DOWN switch (connected to PPWR)
¯
GND
Electrical ground (common)
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