Manitowoc 2250 - Page 202

Reference Only
ELECTRIC SYSTEM 2250 SERVICE/MAINTENANCE MANUAL
3-26
Published 11-06-15, Control # 040-13
Remote Rigging Winch (Current) E-24 89C3 0 Volts Off; 12 Volts On I/O 4 (DI)
Drum 2 Clutch/Brake Maximum Air Pressure B-07 89U 12 volts Nominal I/O 1 (DI)
Max. Boom & Luffing Angle Limit Bypass
Past Production Only
E-14 89ZZ 12 volts Nominal I/O 4 (DI)
Drum 1 Clutch/Brake Maximum Air Pressure B-02 89V 12 volts Nominal I/O 1 (DI)
MAX-ER PC Transmit D-22 36 TX3 Variable 6 to 7 Volts Nominal
CPU (Comm)
MAX-ER PC Receive D-21 37 RX3 Variable 6 to 7 Volts Nominal
CPU (Comm)
Min. Bail Limit Switch Rear /Right Rear Drum B-08 89S 12 volts Nominal I/O 1 (DI)
Minimum Bail Limit Switch Front Drum B-03 89T 12 volts Nominal I/O 1 (DI)
Minimum Bail Limit Switch Left Rear Drum B-04 89Q1 12 volts Nominal I/O 1 (DI)
Drum 3 Clutch/Brake Maximum Air Pressure B-05 89R1 12 volts Nominal I/O 1 (DI)
Operating Limit Buzzer & Light C-35 25A 12 volts Nominal I/O 2 (DO)
Pawl Limit Switch - Front Drum (Past) E-15 89V2 12 volts Nominal I/O 4 (DI)
Pawl Limit Switch - Rear Drum (Past)
Maximum Angle Limit (Current)
E-16 89W2 12 volts Nominal I/O 4 (DI)
Remote Start D-14 68R 12 volts Nominal I/O 4 (DI)
Pendant Cylinder Extend Solenoid
(MAX-ER 225/400)
D-31 90D 12 volts Nominal I/O 3 (DO)
Pendant Cylinder Limit Switch B-32 89F1 12 volts Nominal I/O 3 (DI)
Pendant Cylinder Retract Solenoid
(MAX-ER 225/400)
D-30 90C 12 volts Nominal I/O 3 (DO
)
Proportional Valve (MAX-ER 225/400) D-32 69B 12 volts Nominal
I/O 3 (DO)
RCL Display Receive (w/o Master Node)
w/Master Node, Receive To Controller
D-16 35 RX1 Variable 6 to 7 Volts Nominal
CPU (Comm)
RCL Display Transmit (w/o Master Node)
w/Master Node, Transmit From Controller
D-17 34 TX1 Variable 6 to 7 Volts Nominal
CPU (Comm)
Rear & Left Rear Free Fall Safety Switch D-15 89X2 12 volts Nominal I/O 4 (DI)
Rear Drum Free Fall Light D-36 81DS 12 volts Nominal
I/O 4 (DO)
Rear Drum Pawl In Solenoid E-36 81C 12 volts Nominal
I/O 4 (DO)
Rear Drum Pawl Out Solenoid E-37 81CA 12 volts Nominal
I/O 4 (DO)
Rear or Left Rear Drum Handle A-04 81P
0 volts Neutral; 1.4 to 5 volts Lower;
5 to 8.6 volts Raise
I/O 1 (AI)
Rear or Left Rear Drum Rotation Indicator C-33 81N 12 volts Nominal I/O 2 (DO)
Rear or Right Rear Drum Clutch Solenoid C-17 81F 12 volts Nominal I/O 1 (DO)
Rear or Right Rear Drum Park Switch B-27 89X3 12 volts Nominal I/O 2 (DI)
Rear or Right Rear Drum Parking Brake Sol. C-08 81E 12 volts Nominal I/O 1 (DO)
Right Drum Pawl In Switch (Past) B-21 89M3 12 volts Nominal I/O 2 (DI)
Right Rear Drum Flange Encoder CHA E-03
81MAR
Above 7.5 volts or 0 volts Not Moving;
3.5 volts Moving
I/O 3 (DI)
Right Rear Drum Flange Encoder CHB E-04
81MBR
Above 7.5 volts or 0 volts Not Moving;
3.5 volts Moving
I/O 3 (DI)
Right Track Handle A-06 83P
0 volts Neutral; 1.4 to 5 volts Reverse;
5 to 8.6 volts Forward
I/O 1 (AI)
Right Track Hydraulic System Pressure
Sender
A-27 83QS 1.2 volts at 300 psi; 1 volt at 0 psi CPU (AI)
Description Pin Wire
Test Voltage
(DC unless otherwise specified)
Board
(Signal Type)