1756-L551 高性能控制器

1756-L551 高性能控制器

Allen-Bradley 1747-L551处理器硬件集成了16 KB的程序存储器。它是高性能控制器，能够控制多达4096个输入和输出点。该模块支持在线和离线编程，如运行时编辑。

Allen-Bradley 1747-L551具有通道到通道、远程I/O和DeviceNet直通功能。该模块还有一个内置的实时时钟和日历。该模块带有一个用于网络连接的以太网端口和一个用于点对点通信的RS232端口。RS-232通道支持DF1全双工、DF1半双工主机和DF1无线电调制解调器。集成的以太网端口支持内置的10/100 Base-T以太网通道，用于支持SNMP、BOOTP、扩展消息功能和高速通信。对于编程，它包括高级数学指令和各种附加指令。它还支持间接寻址。SLC 505具有每关键字0.9毫秒的典型程序扫描时间和0.225毫秒的典型I/O扫描时间。

根据UL 508，CSA C22.2第142号标准，该模块具有150伏交流电的介电耐受力。1747-L551在5至2000赫兹时的工作振动为2.5克。非工作振动在5到2000赫兹时为5G。该模块通信电路之间的隔离约为500伏DC。背板和该模块输入/输出之间的隔离为1500伏交流电。在安装和卸载I/O设备之前，请断开控制器和为I/O设备供电的其他电源的电源。

1756-L551 高性能控制器

The Allen-Bradley 1747-L551 processor hardware incorporates 16 KB of program memory. It is a high performance controller capable of controlling up to 4096 input and output points. The module supports both online and offline programming, such as runtime editing.

Allen-Bradley 1747-L551 features channel-to-channel, remote I/O, and DeviceNet pass-through capabilities. The module also has a built-in real-time clock and calendar. The module comes with an Ethernet port for network connectivity and an RS232 port for point-to-point communication. The RS-232 channel supports DF1 full duplex, DF1 half duplex hosts, and DF1 radio modems. The integrated Ethernet port supports a built-in 10/100 Base-T Ethernet channel for SNMP, BOOTP, extended messaging capabilities, and high-speed communication. For programming, it includes advanced mathematical instructions and various additional instructions. It also supports indirect addressing. The SLC 505 has a typical program scan time of 0.9 ms per keyword and a typical I/O scan time of 0.225 ms.

According to UL 508, CSA C22.2 No. 142, the module has a dielectric tolerance of 150 volts AC. The 1747-L551 has an operating vibration of 2.5 grams at 5 to 2000 Hz. The non-operating vibration is 5G at 5 to 2000 Hz. The isolation between the module's communication circuits is about 500 volts DC. The isolation between the backplane and the module input/output is 1500 volts AC. Before installing and uninstalling an I/O device, disconnect the controller and other power supplies that power the I/O device.

1756-L551 高性能控制器

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