M-duino+modbus+cs2018

/*
M-Duino 21 PLC integrated into CSb2018

control: http://www.meditor.hu/csb18/kezelo.jpg
wires: http://www.meditor.hu/csb18/vezetekezes.jpg
backside (csatlakozó, biztosíték, kapcsoló): http://www.meditor.hu/csb18/hatlap.jpg

PLC+power: http://www.meditor.hu/csb18/plc+tap.jpg

set: csb2018+zotak & periferies:
http://www.meditor.hu/csb18/osszeallitas1.jpg
http://www.meditor.hu/csb18/osszeallitas3.jpg

Screeshot about developing enviroment: arduino + MEA10 DAQ software modbus/tcp protokol, basic-scope:
http://www.meditor.hu/csb18/cs2018_mea10_scope1.jpg
*/

#include  <Mudbus.h>

IPAddress         ip(192, 168, 2, 222);
IPAddress         gw(192, 168, 2, 3);
uint8_t mac[] =   { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };

Mudbus            Mb;
uint8_t           sec_cnt;

void setup()
  {

   Ethernet.begin(mac, ip);
   Serial.begin(9600);while(!Serial){delay(10);}
   Serial.println("Serial  : O.K.");
   delay(3000);
   Serial.println("Ethernet: O.K.");
   Serial.print("localIP:  ");Serial.println(Ethernet.localIP());
   sec_cnt=0;
   Mb.R[0] = Mb.R[1] = Mb.R[2] = Mb.R[3] = 0;
   Mb.C[0] = Mb.C[1] = Mb.C[2] = Mb.C[3] = 0;

   pinMode(4,OUTPUT);pinMode(5,OUTPUT);pinMode(6,OUTPUT);
   pinMode(22,INPUT);pinMode(23,INPUT);pinMode(24,INPUT);

   Serial.println("");
  }

void loop()
  {uint8_t      count;
   int          pv4,pv5,pv6;
   long int     tmp4,tmp5,tmp6;
   uint8_t      dig22,dig23,dig24;

   tmp4=0;tmp5=0;tmp6=0;
   count=0;while(count<64)
   {
     Mb.Run();
     delay(8);
     tmp4+=analogRead(A0);delay(2);
     tmp5+=analogRead(A1);delay(2);
     tmp6+=analogRead(A2);delay(2);
     count++;delay(2);
   }

   dig22=digitalRead(22);delay(2);
   dig23=digitalRead(23);delay(2);
   dig24=digitalRead(24);delay(2);

   pv4=(dig22>0)?map(tmp4/64,0,1023,0,128)+128:pv4=128;
   pv5=(dig23>0)?map(tmp5/64,0,1023,0,128)+128:pv5=128;
   pv6=(dig24>0)?map(tmp6/64,0,1023,0,128)+128:pv6=128;

   //Serial.print(dig22|(dig23<<1)|(dig24<<2));Serial.print("  ");Serial.println(pv4);

   analogWrite(4,pv4);delay(2);
   analogWrite(5,pv5);delay(2);
   analogWrite(6,pv6);delay(2);

   Mb.R[0]=pv4*4;
   Mb.R[1]=pv5*4;
   Mb.R[2]=pv6*4;

   Mb.R[3]=0;
   Mb.C[0]=dig22;
   Mb.C[1]=dig23;
   Mb.C[2]=dig24;
   Mb.C[3]=0;

   Serial.println(sec_cnt++);

  }