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by Speed Plc
Sun May 21, 2017 6:49 pm
Forum: Java
Topic: Java Garbage Problem for GPIO
Replies: 5
Views: 2361

Re: Java Garbage Problem for GPIO

I did not fully solve the problem. I found bug in Pi4J. This command cause memory leakage. "if(InputPin.isHigh())" I changed to this "if(com.pi4j.wiringpi.Gpio.digitalRead( xxPin Numberxx )==1){" Before my garbage was running every second. Now garbage running every minute. This i...
by Speed Plc
Mon Mar 13, 2017 7:54 pm
Forum: General discussion
Topic: PLC / Ladder Software
Replies: 9
Views: 11631

Re: PLC / Ladder Software

We develop new plc software for RPI. Our product name Speed PLC. Try our software.
by Speed Plc
Mon Mar 13, 2017 3:48 pm
Forum: Java
Topic: Java Garbage Problem for GPIO
Replies: 5
Views: 2361

Java Garbage Problem for GPIO

Hi! We produce PLC software for Raspberry Pi. Cycle time extends while doing java garbage. Also Pi4J library causes the frequent operation of the garbage. I checked digital input statu for each cycle(my cycle less than 1 millisecond). Run only this code "if(Input.isHigh())" and Garbage run...
by Speed Plc
Mon Mar 13, 2017 3:40 pm
Forum: General discussion
Topic: Shutdown detection input for my PLC
Replies: 0
Views: 317

Shutdown detection input for my PLC

Hi, We produce Speed PLC software for Raspberry Pi. Our firmware running in RPI. Need shutdown detect input for save permanent values. Solved with a simple circuit. Please look at my circuit diagram. from here. http://www.fultek.com.tr/en/wp-content/uploads/2017/03/PlcShutdownCircuit.jpg But high ca...

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