#!/usr/bin/python

import time
import serial

ser = serial.Serial('/dev/ttyS1', 2400)
cycle = 0

while(1):
        print "Cycle %i" % (cycle)
        ser.write("KOD\r\n")
        time.sleep(2)
        ser.write("KOE\r\n")
        time.sleep(2 * 60)
        cycle += 1