HITACHI LYD000A工控卡件,LYD000A使用尺寸
例如，如果用户正在输入
将值9和%R150相加，则过程为：1.从PLC编程软件中，选择“参考表”（F2）。
2.将光标指向将包含拨号字符串的每个%R，并选择“ascii”（F7）格式。
3.选择%R150并键入“9”（包括引号）。点击“回车”键，将值输入到适当的寄存器。
对于剩余的拨号字符串，请遵循此过程。如果使用PLC编程软件以十六进制格式输入拨号字符串，则选择“十六进制”（F5）并将寄存器组转换为十六进制格式。然后，每个拨号字符串都将是根据ASCII等效输入，不需要引号。详见第22页附录AASCII/十六进制转换图。
HITACHI LYD000A工控卡件使用HHP，只能以十六进制格式输入拨号字符串。只需转到%R150并输入连续寄存器中十六进制格式的拨号字符串。有关详细信息，请参见表3-6、3-7和3-8特殊拨号字符串的配置示例和第23页的附录B。注意：表盘字符串从右到右输入PLC编程软件和手持式编程器
左边示例：数字“1”后跟“2”将输入这两个设备“3231”一旦拨号字符串输入到适当的寄存器中，则第一个离散输出（%Q）为HE693RTU940配置，切换以启动呼叫。在寄存器中输入“1”将调用拨号拨号%R引用处的字符串，在我们前面的示例中，%R150。将“0”输入寄存器清除状态寄存器并断开呼叫。
一旦将%Q设置为高并且拨打了电话号码，则会显示“异常报告”命令采样以查看呼叫是否被接受。如果呼叫被接受，主机将发出Modbus请求然后，主机将在预定位置请求数据。当主人
挂断，本地调制解调器将丢弃载波检测（DCD），从机将设置状态OK（%I8）。这个每次命令完成时，连接都会断开。调制解调器无法保持连接。
For example, if the user was entering
the values 9 and , into %R150, then the process would be:
1. From the PLC Programming Software, select 'Reference Tables' (F2).
2. Cursor to each %R that will contain dial string characters and select 'ascii' (F7) format.
3. Select the %R150 and type "9," (include quotation marks). Strike the 'Enter' key to input the values to
the appropriate registers.
Follow this process for the remaining dial string.
If entering the dial string in hexadecimal format using the PLC Programming Software, then select 'hex'
(F5) and convert the group of registers to a hexadecimal format. Each dial string character would then be
entered according to it's ASCII equivalent, no quotation marks needed. See Appendix A on page 22 for
an ASCII/HEX conversion chart.
Using the HHP, the dial string can only be entered in hexadecimal format. Simply go to %R150 and enter
the dial string in the consecutive registers in hexadecimal format. See Tables 3-6, 3-7, and 3-8 for
Configuration Examples and Appendix B on page 23 for Special Dial String Characters. Note: The dial
string is entered into the PLC Programming Software and the Hand Held Programmer from right to
left. Example: The number "1" followed by "2" would be entered into these two devices, "3231."Once the dial string has been entered into the appropriate registers, then the first discrete output (%Q)
configured for the HE693RTU940 is toggled to initiate a call. Entering a '1' into the register calls the dial
string at the Dial %R reference, in our previous example, %R150. Entering a '0' into the register clears
the status register and disconnects the call.
Once the %Q has been set high and the telephone number dialed, the Report-By-Exception command is
sampled to see if the call was accepted. If the call was accepted, the Master will issue a Modbus request
for the station ID. The Master will then request data at a predetermined location. When the Master
hangs up, the local modem will drop the Carrier Detect (DCD) and the slave will set status OK (%I8). The
connection is broken each time a command is completed. The modems do not stay connected.
