Test Voltages; Controller Board Layout; Test Voltage Abbreviations - Manitowoc 999 Service And Maintenance Manual

ELECTRIC SYSTEM

TEST VOLTAGES

This section contains test voltages sorted into four
categories:
Pin Identification. . . . . . . . . . . . . . . . . . . . . . . . . . page 3-9
Wire Identification . . . . . . . . . . . . . . . . . . . . . . . page 3-13
Description Identification . . . . . . . . . . . . . . . . . . page 3-17
Controller Board Identification
NOTE: Unused pin connections are not shown.
A1105
3-8
. . . . . . . . . . . . . . page 3-21
Rear Cab
Wall
Published 05-16-17, Control # 233-03
999 SERVICE/MAINTENANCE MANUAL

Controller Board Layout

The board locations in the programmable controller are
shown below.

Test Voltage Abbreviations

The following abbreviations are used in this section:
I/O = Input/Output
AI = Analog Input
AO = Analog Output
Press. = Pressure
psi = Pounds per Square Inch
DI = Digital Input
DO = Digital Output
NC = No Connection
CHA or CHB = Channel A or B
COMM = Communication
CPU = Central Processing Unit
A B
C D
E
Mother
Board
Cable
Connector
FIGURE 3-8