用途
    光隔PC机/单片机RS-232电平转换器（型号：GH232）都用于实现PC机的RS-232电平(±12V）与单片机RS-232电平（0-5V的TTL电平）之间的相互转换。GH232需要外接5V电源，GH232还可以实现PC机与单片机之间的光电隔离。

    二、性能
    GH232A只用到RS-232的RXD（收）、TXD（发）、GND（地）三根线，支持zui高通信速率9600bps，实际达28800bps以上，隔离电压2500V。
    GH232外接电源要求5V±0.5V，电源电流小于50mA，建议选用波士电子的微型开关稳压电源。GH232的5V外接电源可以取自单片机，但是不要取自PC机。

    三、外形图及使用方法
    GH232的外形都为DB-9/DB-9转接盒大小。DB-9孔端可以直接外插PC机的RS-232口。DB-9针端有接线端子直接接单片机的串行口。

用途
    光隔PC机/单片机RS-232电平转换器（型号：GH232）都用于实现PC机的RS-232电平(±12V）与单片机RS-232电平（0-5V的TTL电平）之间的相互转换。GH232需要外接5V电源，GH232还可以实现PC机与单片机之间的光电隔离。

    二、性能
    GH232A只用到RS-232的RXD（收）、TXD（发）、GND（地）三根线，支持zui高通信速率9600bps，实际达28800bps以上，隔离电压2500V。
    GH232外接电源要求5V±0.5V，电源电流小于50mA，建议选用波士电子的微型开关稳压电源。GH232的5V外接电源可以取自单片机，但是不要取自PC机。

    三、外形图及使用方法
    GH232的外形都为DB-9/DB-9转接盒大小。DB-9孔端可以直接外插PC机的RS-232口。DB-9针端有接线端子直接接单片机的串行口。
 
 
特点：
    ◆ DMX900 系列可以使 1 台主控设备与多台终端设备之间进行数据通信。分为 1 对7 （DMX908）和 1 对 15 （DMX916）两种型号。
    ◆ 可以通过命令（ASCII 字符串）进行通道切换等操作。
    ◆ 各通道均具有独立的输入输出缓冲区，没有建立连接时，终端设备发送的数据保存在缓冲区中。 主通道可与具有不同的通信条件的通道通信并且保持输入输出的同步。
    ◆ 各通道内置光电耦合器件，具备良好的隔离性能，有效的防止了线路噪声造成 PC、设备的损坏。
    ◆ 各通道的通信条件可以分别设定，主控设备可以与各种不同通信条件的终端设备通信。
    ◆ 除控制通道切换的命令以外还有大量的控制DMX900的命令，减轻了编写主机应用软件的负担。
    ◆ 本公司的 USB/RS232C 变换器 [DL-U232C]( 另售 ) 可以直接连接到本产品上，这样，具有 USB 接口的机器也可以通过 DL-U232C 连接到本产品上。
PVIS支持下列Pilz公司的控制系统：PNOZmulti安全系统、PSS可编程控制系统、模件化的控制平台PSSuniversal和安全总线系统SafetyBUS p。
    这种诊断系统的组态非常容易，因此PVIS也可以为用户节省工程组态方面的时间和费用。
对于PSS可编程控制系统、安全总线系统SafetyBUS p和模件化的控制平台PSSuniversal而言，组态工作是通过PSS WIN-PRO软件来进行的；PNOZmulti使用PNOZmulti编程器进行组态。      
    *的系统信息加上故障的文字信息和系统建议的解决方案都会被显示出来。所有的显示信息中包含着6种诊断语言，因此任何的修改都能很轻松的完成。PVIS还为用户提供了选择项来生成针对特殊应用的诊断信息。管理人员也可以把他们自己的专业知识加入到系统中以便帮助操作人员消除故障。
    PVIS系统能够评估控制系统目前的状态，而且还能在发生故障的情况下识别造成故障的*事件、显示纯文本的提示信息和建议的解决方案。“直到机械设备恢复生产为止，我们预期可以节省zui多50％的时间”，Pilz公司的产品 Jochen Streib说。

★厦门仲鑫达自动化设备有限公司
★采购：张海鹏     ★     ：3117793842 ★
★： ★     ★
★（注张海鹏收） ★
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★地址；厦门市思明区湖滨东路湖光大厦八楼A座★
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