Hydraulic Mining Excavators

CAMP/ SIL – Electric System

015.1 Electrical Drawings

Dixio Torrez - 2013

Electrical Drawings Service Training

The main electrical cabinet on the machine is identified as X1 or Switch Cabinet.

This is located in the cab module.

The second electrical cabinet is located between the engines, behind the hydraulic tank and is identified as the
X10 or Engine Switch Cabinet.

X1 Electrical Cabinet houses the Servo Control System, the Auxiliary System, X1 main terminal strip, and various
relays and circuit breakers.

Machines are fitted with two Drive Control Systems.

One for the left engine and one for the right engine. They mounted by the pumps.

The X10 Electrical Cabinet houses the X10 terminal strip, Battery isolator and several relays and circuit breakers.

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Electrical Drawings Service Training

-X10 Electrical Cabinet

-X1 Electrical Cabinet

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Switch Cabinet: X1 Service Training

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Engine Switch Cabinet: X10 Service Training

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Names and descriptions for components Service Training

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Names and descriptions – component groups Service Training

Parts related to the BCS tower Components connected to Parts not connected to any controller belong to
belong to group number six. the Servo controller belong group number one.
to group number 2.
These are parts like the BCS screen, These are parts like the key switch, battery
FM Radio, E.g.: 2K1; 2Y1; 2S4; 2H1 main switches, working lights etc.
E.g.: 6A1; 6A2
E.g.: 1H3; 1K0.1; 1S3

Drive controller LH Servo controller Auxiliary Controller Drive controller RH

Components connected to Components connected to the Components connected to

the drive controller LH auxiliary controller belong to group the drive controller RH belong
belong to group number 3. number 5. to group number 4.
E.g.: 3K1; 3B9; 3Y3; 3F9 E.g.: 5B2; 5H23; 5B4; 5K4 E.g.: 4K3; 4B9; 4Y3; 4F3
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Names and descriptions Service Training

Names and description for electric components:

E.g.: 2K1

Drive Servo Auxiliary Drive

controller controller Controlle controller
LH r RH

Group number: Identifying number:

Letter from DIN

2 K 1

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Electrical Drawings Service Training

The circuit diagram (current flow diagram) is a representation of the electrical circuits of the machine in all their details.
The diagram shows the way in which the electrical supplies and components are connected, as well as showing their
functions.

The circuit diagram comprises several DIN A 4 sheets arranged in function groups.

All components are shown in the de-energized state (i.e. no current flowing) and without any actuating elements acting.

Symbols used are according to the DIN standards 40 700, 40 703, 40 708 and 40 711 to 40 716.

Each page is divided into columns 0-9 or current paths with a description below each current path.

The power supply always is drawn across the top of the page and earth along the bottom.

Each page has a page number or “Blatt Sheet” located in the bottom right corner. On the bottom left corner is the machine
model that the electrical drawing is applicable to.

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Electrical Drawings Service Training

0 1 2 3 4 5 6 7 8 9

Current Path

RH 120E Blatt Sheet

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Electrical Symbols Service Training

All symbols can be found in the technical handbook Vol.2

A Assembly or group of parts PLC, combinations of devices

B Transformation from non electrical Sensors

into electrical magnitudes and vice
versa.

E Miscellaneous Lights, heaters

F Safety devices Fuses, interlocks, circuit breakers

G Generators, power supplies Alternators, batteries.

H Monitors Warning lights, alarms.

K Relays Relay contacts and coils.

M Motors Starter motors, fan motors.

P Meters Hour meters, clocks

R Resistance's Variable resistors

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Electrical Symbols Service Training

All symbols can be found in the technical handbook Vol.2

S Switches, Button Switches, Control switches

V Diodes Diodes

X Terminates, plugs, sockets Terminal stripes, isolating plugs/sockets, test sockets.

Y Electrically actuated mechanical

devices. Solenoid valves, proportional valves.

B Sensors Pressure sensors, temperature sensors, contamination sensors

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Controller Set Up Service Training

BCS III

CAN safety
CANopen

PWM PWM

pressure swing
J1939 feedback J1939

attachment attachment

Drive controller LH Servo controller Auxiliary Controller Drive controller RH

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Drive and Auxiliary Controller Set Up Service Training

Both drive controllers as well as the auxiliary controller

consists of two individual modules. Both controllers (drive
and auxiliary controller) are equipped with a CPU module
and a I/O module. The modules are connected via an
internal serial interface.

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Drive and Auxiliary Controller Set Up Service Training

Module 1 Module 2

Two different modules are being used:

CPU module: 12 digital inputs; 8 analogue inputs (0-10V or 0-20mA)

8 digital outputs ( digital or PWM signal); 1 analogue output (0-20mA)

I/O module: 14 digital inputs; 4 analogue inputs (0-10V or 0-20mA)

8 digital outputs (digital); 4 analogue outputs (0-20mA)

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Servo Controller Set Up Service Training

extansion
mainboard board

Code A

2x system LEDs
2x user LEDs

aluminium
Code B housing

CPU: 32 bit safety processor, 150 MHz

Outputs: 24 safety related outputs

analog feedback of each output channel
Inputs: 64 inputs and 36 outputs in total

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Drive Controller Set Up Service Training

Drive controller LH Servo controller Auxiliary Drive controller RH

Controller

Both drive controllers are fully I/O module

interchangeable as hardware and software
are identical.
The drive controllers consist of a CPU module
and an I/O module

CPU module

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Auxiliary Controller Set Up Service Training

Drive controller LH Servo controller Auxiliary Drive controller RH

Controller

The auxiliary controller is fully I/O module

interchangeable with the drive controller. Only
the software needs to be changed. The
hardware set up is identical.
The auxiliary controllers consist of a CPU
module and an I/O module

CPU module

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Servo Controller Set Up Service Training

Drive controller LH Servo controller Auxiliary Drive controller RH

Controller

The servo controller is not interchangeable

with the drive / auxiliary controller.
The servo controller is a SIL2 (safety integrity
level 2) certified unit. It consists of a 32Bit
processor and a special designed SIL-
software which can only be changed by the
factory.

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