File list (Check if you may need any files):
modbus ok\CRC16.c
.........\CRC16.LST
.........\CRC16.OBJ
.........\lcd1602.c
.........\lcd1602.LST
.........\lcd1602.OBJ
.........\main.c
.........\main.LST
.........\main.OBJ
.........\modbus
.........\modbus.hex
.........\modbus.lnp
.........\modbus.M51
.........\modbus.plg
.........\modbus.tuo
.........\modbus.uvopt
.........\modbus.uvproj
.........\modbus.xmp
.........\modbus_uvopt.bak
.........\modbus_uvproj.bak
.........\RS485.c
.........\RS485.LST
.........\RS485.OBJ
.........\STARTUP.A51
.........\STARTUP.LST
.........\STARTUP.OBJ
.........\Target 1\CRC16.obj
.........\........\lcd1602.obj
.........\........\main.obj
.........\........\modbus
.........\........\modbus.hex
.........\........\modbus.lnp
.........\........\RS485.obj
.........\........\STARTUP.obj
.........\Target 1
modbus ok