PELCO-D与PELCO-P协议介绍PELCO-D:数据格式：数据格式：1位起始位、8位数据、1位停止位，无效验位。波特率：2400B/S命令格式：命令格式：字节1同步字节字节2地址码字节3字节4字节5字节6字节7校验码指令码1指令码2数据码1数据码21.该协议中所有数值都为十六进制数2.同步字节始终为FFH3.地址码为摄像机的逻辑地址号，地址范围：00H–FFH4.指令码表示不同的动作5.数据码1、2分别表示水平、垂直方向速度（00-3FH）,FFH表示“turbo”速度6.校验码=MOD[（字节2+字节3+字节4+字节5+字节6）/100H]以地址码0x01为例：{0xff,0x01,0x00,0x08,0x00,0xff,0x08,}//上{0xff,0x01,0x00,0x10,0x00,0xff,0x10,}//下{0xff,0x01,0x00,0x04,0xff,0x00,0x04,}//左{0xff,0x01,0x00,0x02,0xff,0x00,0x02,}//右{0xff,0x01,0x00,0x20,0x00,0x00,0x21,}//变倍短{0xff,0x01,0x00,0x40,0x00,0x00,0x41,}//变倍长{0xff,0x01,0x00,0x80,0x00,0x00,0x81,}//聚焦近{0xff,0x01,0x01,0x00,0x00,0x00,0x02,}//聚焦远{0xff,0x01,0x02,0x00,0x00,0x00,0x03,}//光圈小{0xff,0x01,0x04,0x00,0x00,0x00,0x05,}//光圈大{0xff,0x01,0x00,0x0b,0x00,0x01,0x0d,}//灯光关{0xff,0x01,0x00,0x09,0x00,0x01,0x0b,}//灯光开{0xff,0x01,0x00,0x07,0x00,0x01,0x09,}//转至预置点001{0xff,0x01,0x00,0x03,0x00,0x01,0x05,}//设置预置点001{0xff,0x01,0x00,0x05,0x00,0x01,0x07,}//删除预置点001以上对应的停命令均是:{0xff,0x01,0x00,0x00,0x00,0x00,0x01,}//停命令PELCO-P:数据格式：1位起始位、8位数据、1位停止位，无效验位。波特率：9600B/S数据格式：命令格式：命令格式：字节1STX字节2地址码字节3指令码1字节4指令码2字节5数据码1字节6数据码2字节7ETX字节8校验码1.该协议中所有数值都为十六进制数2.STX始终为A0H3.地址码为摄像机的逻辑地址号，地址范围：00H–1FH4.指令码表示不同的动作5.数据码1、2分别表示水平、垂直方向速度（00-3FH）,在有关预制点的操作时，数据码2表示预制点值6.ETX始终为AFH7.校验码(XORsumofBytes2-6)=字节2^字节3^字节4^字节5^字节6以地址码0x01为例：{0xa0,0x01,0x00,0x08,0x00,0x30,0xaf,0x39,}//上{0xa0,0x01,0x00,0x10,0x00,0x30,0xaf,0x21,}//下{0xa0,0x01,0x00,0x04,0x10,0x00,0xaf,0x15,}//左{0xa0,0x01,0x00,0x02,0x10,0x00,0xaf,0x13,}//右{0xa0,0x01,0x00,0x40,0x00,0x00,0xaf,0x41,}//变倍短{0xa0,0x01,0x00,0x20,0x00,0x00,0xaf,0x21,}//变倍长{0xa0,0x01,0x02,0x00,0x00,0x00,0xaf,0x03,}//聚焦近{0xa0,0x01,0x01,0x00,0x00,0x00,0xaf,0x00,}//聚焦远{0xa0,0x01,0x08,0x00,0x00,0x00,0xaf,0x09,}//光圈小{0xa0,0x01,0x04,0x00,0x00,0x00,0xaf,0x05,}//光圈大无命令字发送//灯光关无命令字发送//灯光开{0xa0,0x01,0x00,0x96,0x00,0x20,0xaf,0xb7,}//自动巡航{0xa0,0x01,0x00,0x99,0x00,0x20,0xaf,0xb8,}//关闭自动巡航{0xa0,0x