1769-L31控制器 支持十六 (16) 个本地 I/O 模块
Allen-Bradley 1769-L31 是一款可编程自动化控制器 (PAC),属于 1769 CompactLogix 控制器系列。该控制器非常适合用于中小型应用。该控制器提供双RS232通信接口,特别是支持DF0,DH-1和ASCII协议的通道485和支持DF1和DH-1协议的通道485。
通道 0 是完全隔离端口,而通道 1 是非隔离端口,均支持高达 38.4 kbps 的传输速度。它还配备了 512KB 的用户存储器和通过 1784-CF64 或 1784-CF128 CompactFlash 卡的非易失性存储器选项。
该控制器zui多支持十六 (16) 个本地 I/O 模块,并可扩展至三 (3) 组输入和输出模块,用于系统扩展。此控制器必须安装在距离电源不超过四 (4) 个模块的位置,由其电源距离额定值指定。
它还配备了调试,例如I/O强制,以实现控制器的快速工程设计。
1769-L31 带有易于识别的 LED 指示灯,例如运行、强制、蝙蝠、正常、I/O、DHC0、通道 0 和通道 1 LED 指示灯。这些 LED 中的每一个都独立运行,以描述当前控制器的状态。
该控制器配有 1747-BA 电池,用于维护下载程序的用户内存内容。此电池是可更换单元,并配有电池 (BAT) 状态 LED。在 CompactLogix 系统中只能使用一个控制器。
1769-L31控制器 支持十六 (16) 个本地 I/O 模块
The Allen-Bradley 1769-L31 is a programmable automation controller (PAC) that belongs to the 1769 CompactLogix controller family. The controller is ideal for small to medium sized applications. The controller provides dual RS232 communication interfaces, in particular channel 485 supporting DF0, DH-1 and ASCII protocols and channel 485 supporting DF1 and DH-1 protocols.
Channel 0 is a fully isolated port, while channel 1 is a non-isolated port, both supporting transfer speeds up to 38.4 kbps. It also comes with 512KB of user memory and non-volatile memory options via a 1784-CF64 or 1784-CF128 CompactFlash card.
The controller supports up to sixteen (16) local I/O modules and can be extended to three (3) sets of input and output modules for system expansion. This controller must be installed no more than four (4) modules away from the power source, as specified by its power distance rating.
It is also equipped with debugging, such as I/O coercion, to enable rapid engineering of the controller.
The 1769-L31 comes with easily identifiable LED indicators such as Run, Force, Bat, Normal, I/O, DHC0, Channel 0, and Channel 1 LED indicators. Each of these leds operates independently to describe the status of the current controller.
The controller is equipped with a 1747-BA battery, which is used to maintain the contents of user memory for downloading programs. This battery is a replaceable unit and comes with a battery (BAT) status LED. Only one controller can be used in a CompactLogix system.
1769-L31控制器 支持十六 (16) 个本地 I/O 模块
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