FOXBORO FBM242 P0916TA通道隔離輸出
每個(gè)從設(shè)備中的設(shè)置點(diǎn)也可以從主設(shè)備更改。在使用S1 PQM SETUP\COM1 RS485串行端口\MODBUS通信地址設(shè)置點(diǎn)運(yùn)行通信之前，鏈路中的每個(gè)PQM必須使用不同的從屬地址進(jìn)行編程。EnerVista PQM設(shè)置軟件是GE Multilin開發(fā)的通信程序，可用于查看狀態(tài)、實(shí)際值和設(shè)定值。有關(guān)EnerVista PQM設(shè)置軟件的更多信息，請(qǐng)參見(jiàn)第6章。前面板上提供的9針RS232C串行端口允許用戶使用個(gè)人計(jì)算機(jī)對(duì)PQM進(jìn)行編程。該端口使用與后端RS485端口相同的通信協(xié)議。要使用此接口，個(gè)人計(jì)算機(jī)必須運(yùn)行繼電器附帶的EnerVista PQM設(shè)置軟件。9針和25針連接器的計(jì)算機(jī)RS232端口布線如下圖所示。
Setpoints in each slave can also be changed from the master. Each PQM in the link must be programmed with a different slave address prior to running communications using the S1 PQM SETUP \ COM1 RS485 SERIAL PORT \ MODBUS COMMUNICATION ADDRESS setpoint. The EnerVista PQM Setup software, a communications program developed by GE Multilin, may be used to view status, actual values, and setpoints. See Chapter 6 for more information on the EnerVista PQM Setup software.A 9-pin RS232C serial port provided on the front panel allows the user to program the PQM with a personal computer. This port uses the same communication protocol as the rear terminal RS485 ports. To use this interface, the personal computer must be running the EnerVista PQM Setup software provided with the relay. Cabling to the RS232 port of the computer is shown below for both 9-pin and 25-pin connectors.
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