文档介绍：串行通讯 SESSION: COMMS1 串行通讯标准特征配置 Available Ports * 0 RS232 Port 0 Motion Perfect / mand Line 1 RS232 Port 1 2 RS485 Port 3 Fibre optic port (value returned defined by DEFKEY) 4 Fibre optic port (returns raw keycode of key pressed) 5 Motion Perfect user channel 6 Motion Perfect user channel 7 Motion Perfect user channel 8 Used for Motion Perfect internal operations 9 Used for Motion Perfect internal operations 10+ Reserved for work Operation*控制器类型决定通讯配置 MODBUS RTU 协议 MODBUS RTU 协议 SESSION: COMMS1 MODBUS 举例 MODBUS 举例 60% START START STOP ms : MODBUS MODBUS variable mapping MODBUS variable mapping 60% START START STOP STOP 柱状图 / 数据映射到 HR 40021 / VR(20) Start / Stop 按钮映射 HR 40011 / VR(10) START 设置 VR to 1, STOP 设置 VR to ms : MODBUS MODBUS 链接 MODBUS ms : MODBUS Rs232 Rs485 多机链接 ADDRESS = 1 ADDRESS = 1 ADDRESS = 2 ADDRESS = 3 Modbus 主站MODBUS 端口设定 MODBUS 端口设定初始化设置 Modbus 协议通过设置 指令中参数 mode 为 4进行激活. 在协议激活前 ADDRESS 参数要设置好. 例: ADDRESS=1 (9600,8,1,2,1, 4 ) ‘设置 port 1 ( RS232 )运行 MODBUS ,波特率为 9600 ADDRESS=5 (19200,8,2,0, 2,4 ) ‘设置 RS485 口运行 MODBUS ,波特率为 19200 通过设置 指令中 mode=0 ,可以取消 MODBUS 的运行。(19200,8,1,2,2,0) ‘设置 RS485 口为无协议通讯口。 Comms : MODBUS USB 通讯 USB 通讯 SESSION: COMMS1 串行通讯可选特征 U S B ?工业标准 12 MHz bus 。?大多数 PC 主板装有 USB hub ?与 Motion Perfect 高速连接。?支持 ActiveX 控件编程。 p295 USB 子板 U S B 特征 Motion Perfect 支持 TrioPC ActiveX 控件 >>>>> Visual Basic Visual C++ Delphi Labwindows Labview VBA for Excel, Access etc. Private Sub MoveButton_Click() Dim p_array(2) As Double p_array(0) = pos1 p_array(1) = pos2 errflag = (1, 1) errflag = (2, p_array) If Not errflag Then MsgBox ("Error in MoveRel") End If End Sub Private Sub op10off_Click() errflag = (10, 0) End Sub