public void BuildReadCoilCommandTest( ) { ModbusTcpNet modbusTcp = new ModbusTcpNet("127.0.0.1"); OperateResult <byte[]> command = modbusTcp.BuildReadCoilCommand("100", 6); Assert.IsTrue(command.IsSuccess, "command create failed"); if (command.Content[2] == 0x00 && command.Content[3] == 0x00 && command.Content[4] == 0x00 && command.Content[5] == 0x06 && command.Content[6] == 0x01 && command.Content[7] == 0x01 && command.Content[8] == 0x00 && command.Content[9] == 0x64 && command.Content[10] == 0x00 && command.Content[11] == 0x06) { } else { Assert.Fail("command check failed : " + HslCommunication.BasicFramework.SoftBasic.ByteToHexString(command.Content, ' ')); } }