IS200ICCAH1ADB工控自动化卡件
串行端口1 RS-232状态LED运行/停止开关串行端口2 RS-485串行端口1 RS232工厂测试仅串行端口3 RS-485图2。CPX 928-主要功能的位置96 MHz，32位，浮点，6 Mbyte（中型）内存中央处理器GFK-1433E 4 PLC CPU 1999年11月系列90-70可编程控制器数据表手册GFK-0600F 21-4 B R M a45301 IC66*块编程器机架1机架0 P S C P U B T M G B B R M IC66*总线（最大7500英尺）机架7从BTM到最后一个BRM的所有互连电缆总长度为1米，最大50英尺。所有机架必须处于相同的接地电位（最多8个机架）。注意：正确操作所需的串行终端插头（IC697ACC702）P C M强制空气冷却。参考文本。**机架风扇组件IC697ACC721/724可直接安装在机架上。N B C或图3。系统配置、串行连接至编程器编程器连接、串行端口CPX 772具有三个独立的板载串行端口。这些端口由模块前面的连接器访问，用于与编程计算机或其他串行设备的串行接口。从固件版本8.00开始，端口1和2增加了对程序加载/存储操作和数据报的支持。此外，在固件版本8.00中，Break Free SNP被添加为端口1和2的默认协议。有关详细信息，请参阅模块附带的重要产品信息表。协议支持的协议端口1端口2端口3 SNP（从）是是是是无中断SNP（从属）是是否SNPX否否RTU否否端口1（顶部端口）是RS-232兼容的。它有一个6针母RJ-11连接器，外观类似于通常用于电话和调制解调器的模块化插孔（尽管更大）。表1。端口1 RS-232信号引脚号信号名称描述1*CTS清除发送2 TXD发送数据3 0V信号接地4 0V信号接地线5 RXD接收数据6 RTS请求发送*引脚1位于从模块前部观察的连接器顶部。端口2是中心端口，与RS-485兼容，并与光耦隔离。端口2有一个15针内螺纹D型接头。表2。端口2 RS-485信号引脚号信号名称描述1*屏蔽电缆屏蔽2 NC无连接3 NC无连接4 NC无连接5+5VDC逻辑电源**6 RTS（A）差分请求发送7 SG信号接地8 CTS（B’）差分清除发送9 RT电阻器端子10 RD（A’）差差分接收数据11 RD（B’差分发送数据14 RTS（B’）差分请求发送15 CTS（A’）差差分清除发送*从模块前部看，引脚1位于连接器的右下方。**请注意，引脚5为外部选件提供隔离的+5 VDC电源（最大100 mA）。端口3是底部端口，也是RS-485兼容的，但不是隔离的。端口3有一个15针内螺纹D连接器。引脚信息可在IC697 PLC安装手册中找到。5 96 MHz，32位，浮点，6 Mbyte（中型）内存中央处理单元GFK-1433E PLC CPU 1999年11月系列90-70可编程控制器数据表手册GFK-0600F 21-5 CPX 928前面的三个LED指示灯提供CPU上的串行端口活动状态，无需连接终端。LED标记为P1、P2和P3，以对应于适用的端口。从CPU串行端口到编程计算机或其他串行设备上的串行端口的连接需要串行电缆，对于端口2和3，还需要转换器。
SERIAL PORT 1 RS-232 STATUS LEDS RUN/STOP SWITCH SERIAL PORT 2 RS-485 SERIAL PORT 1 RS-232 FACTORY TEST ONLY SERIAL PORT 3 RS-485 Figure 2. CPX 928 - Location of Major Features 96 MHz, 32-Bit, Floating Point, 6 Mbyte (Medium) Memory Central Processing Unit GFK-1433E 4 PLC CPUs November 1999 Series 90-70 Programmable Controller Data Sheet Manual GFK-0600F 21-4 B R M a45301 IC66* BLOCK PROGRAMMER RACK 1 RACK 0 P S C P U B T M G B C B R M IC66* BUS (7500 FEET MAXIMUM) RACK 7 ONE METER TOTAL LENGTH OF ALL INTERCONNECTING CABLES FROM BTM TO LAST BRM IS 50 FEET MAXIMUM. ALL RACKS MUST BE AT SAME GROUND POTENTIAL (8 RACKS MAXIMUM). NOTE SERIAL TERMINATOR PLUG (IC697ACC702) P C M FORCED AIR COOLING REQUIRED FOR PROPER OPERATION. REFER TO TEXT. * * RACK FAN ASSEMBLY IC697ACC721/724 AVAILABLE FOR DIRECT MOUNTING ON RACK. N B C OR Figure 3. System Configuration, Serial Connection to Programmer Programmer Connection, Serial Ports The CPX 772 has three independent, on-board serial ports. These ports, accessed by connectors on the front of the module, are used for serial interface to a programming computer or other serial devices. Starting with Firmware Release 8.00, support for program Load/Store operations and Datagrams was added to Ports 1 and 2. Also, Break-Free SNP was added as the default protocol for Ports 1 and 2 in Firmware Release 8.00. For details, see the Important Product Information sheet that ships with the module. Protocols Supported Protocol Port 1 Port 2 Port 3 SNP (Slave) Yes Yes Yes Break-Free SNP (Slave) Yes Yes No SNPX No No No RTU No No No Port 1, the top port, is RS-232 compatible. It has a 6-pin, female, RJ-11 connector, which is similar in appearance (although larger) to modular jacks commonly used for telephones and modems. Table 1. Port 1 RS-232 Signals Pin Number Signal Name Description 1 * CTS Clear To Send 2 TXD Transmit Data 3 0V Signal Ground 4 0V Signal Ground 5 RXD Receive Data 6 RTS Request to Send * Pin 1 is at the top of the connector as viewed from the front of the module. Port 2, the center port, is RS-485 compatible and is optocoupler isolated. Port 2 has a 15-pin, female D-connector. Table 2. Port 2 RS-485 Signals Pin Number Signal Name Description 1* Shield Cable Shield 2 NC No Connection 3 NC No Connection 4 NC No Connection 5 +5VDC Logic Power ** 6 RTS(A) Differential Request to Send 7 SG Signal Ground 8 CTS(B‘) Differential Clear To Send 9 RT Resistor Termination 10 RD(A‘) Differential Receive Data 11 RD(B‘) Differential Receive Data 12 SD(A) Differential Send Data 13 SD(B) Differential Send Data 14 RTS(B’) Differential Request To Send 15 CTS(A’) Differential Clear To Send *Pin 1 is at the bottom right of the connector as viewed from the front of the module. ** Note that Pin 5 provides Isolated +5 VDC power (100 mA maximum) for powering external options. Port 3, the bottom port, is also RS-485 compatible, but is not isolated. Port 3 has a 15-pin, female Dconnector. Pin-out information can be found in the IC697 PLC Installation Manual. 5 96 MHz, 32-Bit, Floating Point, 6 Mbyte (Medium) Memory Central Processing Unit GFK-1433E PLC CPUs November 1999 Series 90-70 Programmable Controller Data Sheet Manual GFK-0600F 21-5 Three of the LED indicators on the front of the CPX 928 provide the status of serial port activity on the CPU without having a terminal connected. The LEDs are labeled as P1, P2, and P3 to correspond to the applicable port. The connection from a CPU serial port to the serial port on a programming computer or other serial device requires a serial cable and, for Ports 2 and 3, a converter.
