"2047ES / 2647ES / 3247ES" Service & Parts Manual - CE Specifications
March 2008
Page 3-3
ELECTRICAL CONNECTIONS
P1 (J1) Connects to EZcal hand-held device for diagnostics and calibration.
P2 (J2) Connects to power supply & function switches:
(J) P2-1
no connect
(J) P2-2
no connect
RED/BLU 304
(J) P2-3
“UP” valve (B+ when UP requested)
YEL/BLU 105
(J) P2-4
“DOWN” valve (B+ when DOWN requested)
(J) P2-5
no connect
(J) P2-6
no connect
GRY/RED 111
(J) P2-7
“FWD” Valve (B+ when Forward commanded)
GRY/BLK 110
(J) P2-8
“REV” Valve (B+ when Reverse commanded)
(J) P2-9
no connect
TAN/ORG 2
(J) P2-10
“PLATFORM ELEVATED” indication (B+ when platform stowed)
BLK 15
(J) P2-11
SUPPLY NEGATIVE (connected to B-)
RED/WHT 201
(J) P2-12
SUPPLY POSITIVE (connected to B+)
P3 (J3) Provides outputs for cutout Alarms, lamp, and relay
TAN 12
(J) P3-1
Tilt Sensor to Lower Control Box (B+ when not tilted)
BLU/WHT 72
(J) P3-2
Platform and Base Alarm
BLK/RED 74
(J) P3-3
OVERLOAD LAMP output (off normally, turns on to indicate overload)
RED/BLK 44
(J) P3-4
Cutout Relay output (B+ when not overloaded)
BLK 15
(J) P3-5
Cutout Relay B- (internally linked to P2-11)
(J) P3-6
no connect
P4 (J4) Connects to lift cylinder pressure sensor and height sensor:
(J) P4-1
no connect
ORG/GRN 42
(J) P4-2
pressure sensor (0.5V...4.5V analog)
ORG/RED 43
(J) P4-3
height sensor (1V...4V analog)
(J) P4-4
no connect
(J) P4-5
no connect
GRY 46
(J) P4-6
B+ protected supplies for pressure sensor
BLK 15
(J) P4-7
B– for pressure sensor
BLK 15
(J) P4-8
B– protected supplies for height sensor
BRN/YEL 49
(J) P4-9
B+ for height sensor
(J)= plug identification as it corresponds to the electrical schematic diagram.
(RL1) Cutout Relay Connections:
RL1-1
no connect
RL1-2
no connect
Wire 5
RL1-3
down function requested
Wire 17
RL1-4
Lift, Drive, or Steer Function requested
Wire 5A
RL1-5
signal to down valve coils
Wire 17A
RL1-6
signal to motor controller allowing
Lift, Drive, or Steer Function
Wire 45
RL1-7
Cutout Relay B–
Wire 44
RL1-8
Cutout Relay input
(B+ when platform not overloaded)
ART_2431
1
2
6
8
4
3
7
5
17
45
17A
5
44
5A