ADS1198: Problem with ADS1198 data extraction while CHnSET=0x01-->for input shorted and other modes

#include <SPI.h>
//Sensor's memory register addresses:
const byte WAKEUP = 0x02; 
const byte STANDBY = 0x20; 
const byte RESET = 0x21; 
const byte SDATAC=0x11; 
const byte START=0x08;
const byte STOP=0x0A;
const byte RADATA=0x12;
const byte RADATAC=0x10;
// pins used for the connection with the sensor
// the other you need are controlled by the SPI library):
const int chipSelectPin = 10;
const int rset = 8;
const int start = 7;
const int drdy = 2;       // data ready 
unsigned int dat[8]={0};
byte hi=0;
byte mid=0;
byte lo=0;
byte ch=8;     //to use 8 channels
void setup() {
Serial.begin(2000000);
// start the SPI library:
SPI.begin();
SPI.setClockDivider(SPI_CLOCK_DIV2);
SPI.beginTransaction(SPISettings(2000000,MSBFIRST, SPI_MODE1));
// initalize the data ready and chip select pins:
pinMode(chipSelectPin, OUTPUT);
pinMode(rset, OUTPUT);
pinMode(start, OUTPUT);
pinMode(drdy, INPUT);


digitalWrite(rset, LOW);
delay(100);
digitalWrite(rset, HIGH);
digitalWrite(start, HIGH);

digitalWrite(chipSelectPin, LOW);
delay(100);
SPI.transfer(WAKEUP);
delay(100);
SPI.transfer(SDATAC);
delay(100);
SPI.transfer(STOP);
delay(100);
digitalWrite(chipSelectPin, HIGH);
digitalWrite(chipSelectPin, LOW);
delay(100);
SPI.transfer(0x43);//CONFIG3 for 2.4v internal ref
SPI.transfer(0x00);
SPI.transfer(0xC0);
delay(100);
SPI.transfer(0x41);//CONFIG1 for clock o/p enable
SPI.transfer(0x00);
SPI.transfer(0x24);
delay(100);
SPI.transfer(0x42);//CONFIG2 for enable I/P short signal
SPI.transfer(0x00);
SPI.transfer(0x30);
delay(100);
byte ch=8; 
SPI.transfer(0x45);//CHnSET for test signal, Ch=no of channel used
SPI.transfer(0x0|ch-1);
for(int i=0;i<ch;i++)
SPI.transfer(0x11);
delay(100);
SPI.transfer(START);
digitalWrite(chipSelectPin, HIGH);


digitalWrite(start, LOW);
delay(100);
digitalWrite(start, HIGH);
delay(100);
digitalWrite(chipSelectPin, LOW);
SPI.transfer(RADATAC);

}
void loop() {
while(digitalRead(drdy));
while(!digitalRead(drdy));

hi=SPI.transfer(0);
mid=SPI.transfer(0);
lo=SPI.transfer(0);
unsigned long stat=hi<<16|mid<<8|lo;

for (int i=0;i<8;i++)
{ 
hi=SPI.transfer(0);
lo=SPI.transfer(0); 
dat[i]=hi<<8|lo;

}

// Serial.print(stat,HEX);
for (int i=0;i<8;i++)
{ 
Serial.print(dat[i],HEX);
Serial.print(',');

}
Serial.print('\n');
}