PLC Omron Programming for Injection Molding Machine

PLC Type Series-C Omron , Name Input / Output PLC : 

INPUT PLC : 
000.00 ; Push Button START
000.01 ; NO Contact Contactor for Temperature is Reached
000.02 ; Alarm Heater Element Bournout Detector
000.03 ; Push Button STOP
000.04 ; Alarm Motor, the Signal from the Speed Control Motor.
000.05 ; Limit Switch Reverse from Cylinder Molding
000.06 ; Limit Switch Forward from Cylinder Molding

OUTPUT PLC : 
005.00 ; Power Temperature Controller
005.01 ; Speed Control Motor ( ON / OFF Motor for Screw )
005.02 ; Solenoid to Pneumatic Cylinder Molding Forward
005.03 ; Solenoid to Pneumatic Cylinder Molding Reverse


Please Download Picture Programming Ladder PLC :

PLC Omron Programming for Injection Molding Machine



Reading Ladder PLC Programming for Injection Molding Machine :


Step 1 : Heating Process
Heater Controller with PLC

Step 2 : Injection Molding Process
a.If 010.01 = ON And 010.04 = ON And 000.04 = ON Then 010.05 = ON.
b.If 000.00 = ON And 010.05 = ON And 000.03 = OFF Then 010.06 = ON ( Hold ON ).
c.If 000.05 = ON And 000.06 = OFF And 010.06 = ON And 010.11 = OFF Then 010.07 = ON ( Hold ON ).
d.If 000.06 = ON And 000.05 = OFF And 010.06 = ON And 010.10 = OFF Then 010.08 = ON ( Hold ON ) And TIM001 Activated .
e.If 010.08 = ON And TIM001 = ON And 010.06 = ON And 010.11 = OFF Then 010.09 = ON ( Hold ON ) And TIM002 Activated.
f.If TIM001 = ON Then SET 010.10 = ON ( Hold ON ).
g.If TIM002 = ON Then SET 010.11 = ON ( Hold ON ).
h.If 010.09 = ON And TIM002 = ON And 010.06 = ON And 010.10 = ON Or 010.11 = ON Then 010.12 = ON ( Hold ON ).
i.If 010.12 = ON And 000.05 = ON Or 010.06 = OFF Then RSET 010.10 = ON ( 010.10 = OFF ) And RSET 010.11 = ON ( 010.11 = OFF ).
See Picture to Set Value Timer for :
1. Stability Current from Power to Heater
2. Volume of Materials into Molding Dies
3. Wait for the cool Material

Step 3 : Output PLC
a.If 010.01 = ON Then 005.00 = ON.
b.If 010.08 = ON Then 005.01 = ON.
c.If 010.07 = ON Then 005.02 = ON.
d.If 010.12 = ON Then 005.03 = ON.

(source : www.program-plc.blogspot.com)