MATLAB AS AXI MASTER JTAG set

my borad have two v7 xilinx fpga within one jtag,download the same bit file.when I use fpga data captrue model in simulink,the first fpga is correct,but the second fpga is error ,the error display that simulink detect jtag ip version is 2.3,expected is 1.1,why i got this error.And, how to calculate the JTAGChainPosition,InstrLenBefore,InstrLenAfter parameters?how to user aixmaster(xilinx) connect diff fpga within one jtag.thanks!