Page 4-6
Troubleshooting
4.4 - Measured Voltage at I/O Board
TM12 Work Platform - European
4.4 M
EASURED
V
OLTAGE AT
I/O B
OARD
Table 4-3:
I/O Board Voltage
C
O
NNE
C
T
O
R
PI
N
N
U
M
BE
R
DESCRIPTION
J1
1
24 Volts = Lift Mode Active / 0 Volts = Lift Mode inactive
2
No Connection
3
24 Volts = Drive Allowed / 0 Volts = Drive Not Allowed
4
24 Volts from Lower E-Stop / Lower E-Stop Not Depressed
5
24 Volts from Upper E-Stop / Lower and Upper E-Stops Not Depressed
6
24 Volts Out to Interlock Lever when Upper Controls Selected & Upper/Lower E-Stops Not Depressed
7
No Connection
8
24 Volts = Drive Forward or Lift Up / 0 Volts = Stop Drive Forward or Lift Up
9
24 Volts = Drive Reverse or Lift Down / 0 Volts = Stop Reverse Drive or Lift Down
10
Accelerator Input / 20K Pot / 3.5 Volts to 0 Volts, Minimum to Maximum Speed
11
24 Volts = Steer Left / 0 Volts = Stop Steer Left
12
24 Volts = Steer Right / 0 Volts = Stop Steer Right.
J2
1
Goes to 0 Volts to Activate Depression Mechanism Extend Solenoid / 24 Volts = Solenoid OFF
2
No Connection
3
24 Volt Supply for Solenoids
4
Goes to 0 Volts to Activate Forward Solenoid / 24 Volts = Solenoid OFF
5
Goes to 0 Volts to Activate Reverse Solenoid / 24 Volts = Solenoid OFF
6
Goes to 0 Volts to Activate Lift Up Solenoid / 24 Volts = Solenoid OFF
7
Goes to 0 Volts to Activate Steer Left Solenoid / 24 Volts = Solenoid OFF
8
Goes to 0 Volts to Activate Steer Right Solenoid / 24 Volts = Solenoid OFF
J3
1
Goes to 0 Volts to Activate Alarm / 24 Volts = Alarm OFF
2
24 Volts = Tilt Inactive / 0 Volts = Tilt Active
3
24 Volt Supply for Alarm, Tilt Sensor, Lift Down and Depression Mechanism Retract Solenoids
4
24 Volts = Below Height Limit / 0 Volts = Above Height Limit
5
Goes to 0 Volts to Activate Lift Down Solenoid / 24 Volts = Solenoid OFF
6
Goes to 0 Volts to Activate Depression Mechanism Solenoid / 24 Volts = Solenoid OFF
7
24 Volts = High Speed Active / 0 Volts = Low Speed Active
8
Battery Negative Supply for Tilt Sensor
J4
1
Goes to 0 Volts to Activate Line Contactor / 24 Volts = Line Contactor OFF
2
Supplies 24 Volts to Upper Control / Lower Control Switch
3
24 Volts = Lower Control Mode
4
Supplies 24 Volts to Ground Lift Switch when in Lower Control Mode
5
24 Volt Supply Output
6
Goes to 0 Volts to Activate Hour Meter / 24 Volts = Hour Meter Not Activated
7
24 Volts = Lift Up from Ground Control / 0 Volts = Lift Up OFF
8
24 Volts = Lift Down from Ground Control / 0 Volts = Lift Down OFF
9
24 Volt Supply Input from Battery via Lower E-Stop / Lower E-Stop Not Depressed
10
24 Volts from Upper Control Switch / 24 Volts = Upper Control Mode
11
Battery Negative Input to I/O Board
12
24 Volt Supply for Hour Meter and Line Contactor
J5
1
24 Volts power to Pin 1 of SC1000 (Key ON Power)
2
24 Volts = Command Controller to Drive / 0 Volts = Stop Controller Drive
3
24 Volts = Command Controller to Steer / 0 Volts = Steer OFF
4
24 Volts = Command Controller to Lift / 0 Volts = Stop Lift
5
24 Volts = Command Normal Speed / 0 Volts = Command Speed Cutback
6
24 Volts = Line Contactor OFF / 0 Volts = Line Contactor ON
7
24 Volts = No Direction Solenoid Allowed / 0 Volts = Direction Solenoid Allowed to Activate
8
Accelerator 3.5 Volts to 0 Volts / Minimum to Maximum Speed
Summary of Contents for TM12
Page 1: ...TM12 ...
Page 10: ...Page VI Table of Contents List of Tables TM12 Work Platform European NOTES ...
Page 60: ...Page 3 34 Maintenance 3 18 Torque Specifications TM12 Work Platform European NOTES ...
Page 74: ...Page 5 6 Schematics 5 3 Hydraulic Tm12 Work Platform European NOTES ...
Page 79: ...Page 6 5 Illustrated Parts Breakdown TM12 Work Platform European NOTES ...
Page 81: ...Page 6 7 Illustrated Parts Breakdown Basic Assembly TM12 Work Platform European ...
Page 88: ...Page 6 14 Illustrated Parts Breakdown Hose Kit TM12 Work Platform European ...
Page 101: ......