1756-L61 ControlLogix控制器

Allen-Bradley 1756-L61是一款ControlLogix控制器。它具有 2 MB 用户内存和 478 kb I/O 内存，以及使用 128-CF1784 CompactFlash 存储卡的 128 MB 可选非易失性存储内存。它是一个基于机箱的控制器，可以放置在 1756 ControlLogix 机箱的任何可用插槽中。此控制器的兼容机箱为 1756-A4、1756-A7、1756-A10、1756-A13 和 1756-A17。它具有开放式外壳，最多可以支持 250 个控制器连接。它还具有内置的RS-232串行通信端口。RS232 端口支持的协议包括 DF1 全/半双工、ASCII、DF1 无线电调制解调器、通过逻辑的 Modbus 和 DH-485。

它的最大数字 I/O 为 128，000，最大模拟 I/O 为 4，000，最大总 I/O 为 128，000。1756-L61 的控制器任务包括 32 个任务、每个任务 100 个程序和事件任务：所有事件触发器。1756-L61 具有多种通信选项，例如 ControlNet、Data Highway Plus、EtherNet/IP、DeviceNet、SynchLink、Remote I/O 以及第三方进程和设备网络。1756-L61 控制器的电流消耗在 1200.5V DC 时为 1 mA，在 14V DC 时为 24 mA。功耗为 3.5 W，热耗散为 11.9 BTU/小时。它还具有 30V 的连续隔离电压，并已在 720V DC 下进行了 60 秒的测试。它的工作温度为0至60摄氏度，存储温度为-40至85摄氏度，周围最高空气温度为60摄氏度。相对湿度在 5% 至 95%（非冷凝）之间，在 2 至 10 Hz 时振动为 500 g，工作和非工作冲击分别为 30 g 和 50 g。

Allen Bradley 1756-L61 is a ControlLogix controller. It has 2 MB of user memory and 478 kb of I/O memory, as well as 128 MB of optional nonvolatile storage memory using a 128-CF1784 CompactFlash storage card. It is a chassis based controller that can be placed in any available slot in the 1756 ControlLogix chassis. The compatible chassis for this controller are 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17. It has an open shell and can support up to 250 controller connections. It also has a built-in RS-232 serial communication port. The protocols supported by the RS232 port include DF1 full/half duplex, ASCII, DF1 radio modem, Modbus through logic, and DH-485.

It has a maximum digital I/O of 128000, a maximum analog I/O of 4000, and a maximum total I/O of 128000. The controller tasks for 1756-L61 include 32 tasks, 100 programs per task, and event tasks: all event triggers. 1756-L61 has multiple communication options, such as ControlNet, Data Highway Plus, EtherNet/IP, DeviceNet, SynchLink, Remote I/O, and third-party process and device networks. The current consumption of the 1756-L61 controller is 1 mA at 1200.5V DC and 24 mA at 14V DC. The power consumption is 3.5 W, and the heat dissipation is 11.9 BTU/hour. It also has a continuous isolation voltage of 30V and has been tested for 60 seconds at 720V DC. Its working temperature is 0 to 60 degrees Celsius, storage temperature is -40 to 85 degrees Celsius, and the highest ambient air temperature is 60 degrees Celsius. The relative humidity ranges from 5% to 95% (non condensing), with a vibration of 500 g at 2 to 10 Hz, and a working and non working shock of 30 g and 50 g, respectively.