1785-L30B 具有32K字的用户存储器  Allen-Bradley

概述：

1785-L30B 是一款属于 PLC5 控制器系列的艾伦-布拉德利控制器。该控制器具有 32K 字用户存储器、两 （2） 个 DH+/远程 I/O 组合端口，可配置为适配器或扫描仪，一 （1） 个串行端口支持 RS-232、423 和 RS-422A 通信标准。

1785-L30B 支持大量 I/O 设备。它支持多达 1024 个 I/O 设备，这些设备可能由分立式和模拟输入和输出设备的任意组合组成。此外，它还支持互补的 1024 输入和 1024 输出设备。

除了支持大量 I/O 设备外，该控制器还能够实现远程 I/O 架构，因为它最多可连接到 28 个远程 I/O 机架。为了实现远程I/O架构，可以使用DH+和远程I/O（RIO）通道等集成通信端口。此外，可以添加以太网接口模块以在以太网网络上实现相同的架构。

1785-L30B 安装有电池，当控制器断电时，控制器将使用电池。该电池维护存储在控制器用户存储器中的用户和程序数据。它分配有一个 BATT 指示灯 LED，用于报告电池的电流电量。对于 1785-L530B，电池在 84% 时可以持续长达 100 天，如果在工作温度下以 150% 关闭电源，电池可以使用长达 50 天。当 BATT LED 通电时，电池从第一次出现信号起保持工作 60 天。当电池电量完全耗尽时，除非向控制器供电，否则将保留用户存储器的内容。只有在断电和电池耗尽时，它才会被擦除。

5-L1785B 有两个内置端口，如通道 30A 和通道 1B。这些端口能够配置为远程 I/O 扫描仪、远程 I/O 适配器和 DH+ 通信接口。此外，1-L1785B 控制器还配有 30 针连接器串行端口接口。该串行端口支持 RS25C 标准，并可针对 ASCII 和 DF232 等系统协议进行配置。全双工和半双工主协议以及半双工从协议。还提供标记为通道 1A 的 8 针迷你 DIN 连接器，也支持 DH+ 连接。

1-L1785B 的前面板上有几个指示灯，用于与用户轻松交互。这些指示灯标记为 BATT，用于显示电池状态。标记为 PROC 的指示器指示控制器状态。FORCE 指示器用于指示是否启用了 I/O 强制。COMM 指示灯与通道 30 链接，用于报告通信活动，而通道 0A 和 1B 都有专用的状态指示器。

控制器有一个三位置钥匙开关，用于设置控制器模式。每个位置对应于处理器的一种模式，例如运行、PROG 和 REM。在 RUN 模式下，控制器执行程序并激活输出设备。PROG 停止逻辑执行，并允许控制器配置和编程。REM执行逻辑程序并允许配置和编程。

1-L1785B 具有 30 字的内存和备用电池。对于程序备份，EEPROM模块可以安装在前面板插槽中。提供各种内存模块容量。I/O（包括本地I/O和通用远程I/O组合）的总数为32000个任意混合，或1024个输入和1024个输出互补。1024-L1785B 总共可以使用 30 个 I/O 机箱，其中 29 个可以是通用远程 I/O 机箱。背板的电流负载为 28-L1785B，在 30 伏时为 2.3 安培。5-L1785B 无法连接扩展的本地 I/O 机箱。

1785-L30B 具有32K字的用户存储器  Allen-Bradley

The 1785-L30B is an Allen-Bradley controller that belongs to the PLC5 controller family. The controller features 32K word user memory, two (2) DH+/ remote I/O combination ports that can be configured as adapters or scanners, and one (1) serial port that supports RS-232, 423, and RS-422A communication standards.

The 1785-L30B supports a large number of I/O devices. It supports up to 1024 I/O devices, which may consist of any combination of discrete and analog input and output devices. In addition, it supports complementary 1024 input and 1024 output devices.

In addition to supporting a large number of I/O devices, the controller enables a remote I/O architecture as it can be connected to up to 28 remote I/O racks. To implement the remote I/O architecture, integrated communication ports such as DH+ and Remote I/O (RIO) channels can be used. In addition, Ethernet interface modules can be added to implement the same architecture on an Ethernet network.

The 1785-L30B is equipped with a battery that will be used when the controller is powered off. The battery maintains user and program data stored in the controller's user memory. It has a BATT indicator LED that reports the current level of the battery. For the 1785-L530B, the battery can last up to 100 days at 84%, and up to 50 days if the power is turned off at 150% of the operating temperature. When the BATT LED is energized, the battery keeps working for 60 days from the first signal. When the battery is completely depleted, the contents of the user memory are retained unless power is supplied to the controller. It is only erased when the power is off and the battery is depleted.

The 5-L1785B has two built-in ports, such as channel 30A and channel 1B. These ports can be configured as remote I/O scanners, remote I/O adapters, and DH+ communication interfaces. In addition, the 1-L1785B controller is equipped with a 30-pin connector serial port interface. The serial port supports the RS25C standard and can be configured for system protocols such as ASCII and DF232. Full duplex and half duplex master protocols and half duplex slave protocols. Also available is an 8-pin mini DIN connector labeled Channel 1A, which also supports DH+ connections.

The 1-L1785B has several indicators on the front panel for easy interaction with the user. These indicators are labeled BATT and are used to show the battery status. The indicator labeled PROC indicates the controller status. The FORCE indicator indicates whether I/O coercion is enabled. The COMM indicator is linked to channel 30 for reporting communication activity, while channels 0A and 1B both have dedicated status indicators.

The controller has a three-position key switch for setting the controller mode. Each position corresponds to a mode of the processor, such as run, PROG, and REM. In RUN mode, the controller executes the program and activates the output device. PROG stops logic execution and allows controller configuration and programming. REM executes logical programs and allows configuration and programming.

The 1-L1785B has 30 words of memory and a backup battery. For program backup, the EEPROM module can be installed in the front panel slot. Various memory module capacities are available. The total number of I/ OS (including local I/ OS and generic remote I/O combinations) is 32,000 arbitrarily mixed, or 1024 inputs and 1024 complementary outputs. The 1024-L1785B can use a total of 30 I/O enclosures, 29 of which can be general purpose remote I/O enclosures. The backplane has a current load of 28-L1785B and 2.3 amps at 30 volts. 5-L1785B cannot connect to the extended local I/O chassis.

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包装：原包装用纸箱。

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1785-L30B 具有32K字的用户存储器  Allen-Bradley

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