Saturday, November 7, 2009

PLC Keyence Programming for Heater Controller




PLC Type KV Keyence , Name Input / Output PLC :

INPUT PLC :
0000 ; Swicth for Heater ON - OFF
0001 ; NO Contact Contactor
0002 ; Alarm Heater Element Bournout Detector

OUTPUT PLC :
0500 ; Power Temperature Controller
0501 ; Alarm Heater Lamp ( RED Lamp )
0502 ; Temperature is Reached Lamp ( GREEN Lamp ) 


Please Download Picture Programming Ladder PLC :

PLC Keyence Programming for Heater Controller



Reading Ladder PLC Programming for Heater Controller :
Step 1 :
a.If 0000 = ON Then 1000 = Momentary ON ( Diff. Up).
b.If 1000 = ON And 0000 = ON And 1002 = OFF Then 1001 = ON ( Hold ON ).

Step 2 : Check Alarm Heater
a.If 0001 = ON And 1001 = ON Then T000 Activated.
b.If T000 = ON And 0002 = OFF Then SET 1002 = ON ( Hold ON ).
c.If 0000 = OFF Then RES 1002 = ON ( 1002 = OFF ).
See Picture to Set Value Timer for Stability Current from Power to Heater :
Set Value Timer T000
Step 3 : Temperature is Reached
a.If 0001 = ON And 1001 = ON And 0000 = ON And 1002 = OFF Then 1003 = ON ( Hold ON ).
b.If 0001 = OFF And 1003 = ON Then SET 1004 = ON ( Hold ON ).
c.If 1001 = OFF And 0000 = OFF And 1002 = ON Then RES 1004 = ON ( 1004 = OFF ).

Step 4 :
a.If 1001 = ON Then 0500 = ON.
b.If 1002 = ON Then 0501 = ON.
c.If 1004 = ON Then 0502 = ON.

Please Download Programming for KV Builder :
PLC Keyence Programming for Heater Controller


See : Heater controller with PLC


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