Training Electric

PC 4000
 Programmable Logic Control (PLC)
HARDWARE PLC

MEMORY • LED
O
• Switch • Relay
I U
• Push Digital • Solenoi
Button N T d
• Limit sw CPU
P P
U U
• CAN
• Pressure sensor
ANALOG T T BUS
Programming
Device
 STRUCTURE & FUNCTION

Short Circuit Memory Analog Input

Input Indicator E
Spare slot

Input/Output Indicator
E/A

Output Indicator A

Indicate operation
5V-Lead

Connector
 INPUT INDICATOR

Input Input
E2.8 Travel brake press. sw E4.8 Rpm switch
E2.7 SLS Pr. Sw.Grease line E4.7 Driver seat switch
E2.6 CLS Pr Sw. Grease line E4.6 Emergency mode
E2.5 Fan Oil Cooler E4.5 SLS Manual Lubrication
E2.4 Filter PTO E4.4 CLS manual Lubrication
E2.3 Air Filter Hydr. Tank E4.3 reffill arm limit switch
E2.2 Filter Pilot Control E4.2 Prepare fr. driver warning
E2.1 Filter fan coolant cooler E4.1 Engine Stop Signal

Input E2 E4
Input
E1.8 Engine air filter
E3.8 Engine start Signal
E1.7 PTO Press. Librication
E3.7 Key switch
E1.6 Brake slew press sw
E3.6 Service Switch
E1.5 HPF #4
E3.5 Slew active
E1.4 HPF #3
E3.4 Monitoring sensor supply
E1.3 HPF #2
E3.3 Pump Controller
E1.2 HPF #1
E3.2 Engine rpm > 300
E1.1 Hydraulic Oil Level Min E1 E3 E3.1 Warning e.prob white
INPUT INDICATOR

Input
E6.8
E6.7
E6.6
E6.5
E6.4
E6.3
E6.2
E6.1

E2
Input
E5.8 Attachment Active
E5.7 Traveling active
E5.6 Engine oil Tank level
E5.5 Fire suppresion
E5.4 Reffill arm rmt ctrl enable
E5.3 refill arm pull switch
E5.2
E1 E5 E5.1
 OUTPUT INDIKATOR

Input Input

E9.8 Warning e. prob yellow E10.8 refilling syst. Arm lamp test

E9.7 Warning en. Prob red E10.7 Test Speed

E9.6 Motor Enable E10.6 Emergency sw cabin

E9.5 E10.5

E9.4 Pilot control supervision E10.4 Emergency sw hyd ctrl pnl

E9.3 E10.3 Emergency sw. valve block

E9.2 E10.2 Emergency switch ladder

E9.1 Hydraulic oil refill level E10.1 Hydr reserv shut off unit
 OUTPUT INDIKATOR

Input/Output Input/output

A2.8 A4.8

A2.7 A4.7

A2.6 A4.6

A2.5 A4.5

A2.4 A4.4

A2.3 A4.3

A2.2 A4.2

A2.1 A4.1

Output Output

A1.8 engine oil tank A3.8 refilling arm down

A1.7 A3.7 refilling arm raise

A1.6 Bucket shut off A3.6 oil cooler fan drive medium

A1.5 Rpm control A3.5 Oil cooler fan drive min

A1.4 stabilized power supply A3.4 reduction preload pressure

A1.3 self holding PLC A3.3 ½ Q mx operation

A1.2 A3.2 slewring lub system Y9

A1.1 Shut down relay A3.1 central lub system Y7

Output
A5.8 Horn
A5.7 refill arm : fuel indictor
A5.6 VHMS diag lamp cab yellow
A5.5 VHMS diag lamp cab red
A5.4 refill arm : engine oil tank
A5.3 refill arm : SLS system
A5.2 reill arm : CLS system
A5.1 refill arm : hydraulic oil tank
 ANALOG INPUT

A7
Output
A7.8
A7.7
A7.6
A7.5
A7.4 Pump Control min
A7.3 Gear oil cooler preload pres
A7.2 slewring lub system Y9a
A7.1 Central Lub system Y7a
 PLC PROGRAM
Example :
Mechanical circuit PLC Program Program order
500 LD – 000 write
00 01
OR – 0500 write
ANDNOT – 0001 Write

00 K500 K500
OUT 0500 write
500
FN
EN

01

K500 H1
PLC
00 01 500
Starting System
Shutdown system : Fire Suppression System
Input PLC

X2C
4
K9B-1
X2C 172

Fire
Suppresion
System