Radisys ATCA-2470控制脉冲卡件

产品详细资料
如典型接线图所示，模拟输出信号源自端子A6至A12，并共享A5作为公共回路。输出信号是内部隔离的，并允许连接到处于不同接地电位的设备。每个模拟输出端子被箝位在接地36V以内。为了大限度地减少噪音的影响，应使用屏蔽电缆进行外部连接，并且仅应将屏蔽的一端接地。如果需要电压输出，则必须在外部测量设备的输入端连接负载电阻器。忽略输入阻抗，负载电阻为：（EQ 3.1）如果0至1 mA输出通道需要5 V满量程输出，则RLOAD=5 V/0.001 a=5 KΩ。类似地，对于0至5 mA通道，该电阻器将为1 KΩ；对于0至10 mA通道，此电阻器为500Ω；对于4至20 mA通道，此电阻器为250Ω。RS485/RS422通信745为用户提供了两个可同时使用的后部通信端口。两者都实现了《GEK-106636A:745通信指南》中概述的AEG Modicon Modbus协议的子集。COM1端口可用于二线制RS485模式或四线制RS422模式，但不会同时在两种模式下工作。在RS485模式下，数据传输和接收通过一对双绞线完成，传输和接收数据在同两根线上交替
As shown in the typical wiring diagram, the analog output signals originate from Terminals A6 to A12 and share A5 as a common return. Output signals are internally isolated and allow connection to devices which sit at a different ground potential. Each analog output terminal is clamped to within 36 V of ground. To minimize the effects of noise, external connections should be made with shielded cable and only one end of the shield should be grounded. If a voltage output is required, a burden resistor must be connected at the input of the external measuring device. Ignoring the input impedance, the burden resistance is: (EQ 3.1) If a 5 V full scale output is required with a 0 to 1 mA output channel, RLOAD = 5 V / 0.001 A = 5 KΩ. Similarly, for a 0 to 5 mA channel this resistor would be 1 KΩ; for a 0 to 10 mA channel, this resistor would be 500 Ω; and for a 4 to 20 mA channel this resistor would be 250 Ω.RS485/RS422 Communications The 745 provides the user with two rear communication ports which may be used simultaneously. Both implement a subset of the AEG Modicon Modbus protocol as outlined in publication GEK-106636A: 745 Communications Guide. The COM1 port can be used in the two-wire RS485 mode or the four-wire RS422 mode, but will not operate in both modes at the same time. In RS485 mode, data transmission and reception are accomplished over a single twisted pair with transmit and receive data alternating over the same two wires
主营产品简介
专注于DCS、PLC、机器人控制系统、大型伺服四大系统领域。

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●使用前:

在操作和维护，安装设备之前，请阅读并严格遵守安全相关的信息。

Read and strictly follow safety-related information before operatingmaintainingand installing equipment.

●使用者要求:

必须从事安装，组装或维护设备等相关工控电气机械以及其他相关技术的人员。

Must be engaged in the installation,assembly or maintenance of equipment and other related industriacontroeectrica machinery and other related technica personne.应用范围:

应用于品牌本系列工业以及生产生活自动化设备产品。

Used in the brand of this series of industriaand production automation eauipment products

适用于场景:系统集成，非标定制，产线升级改造，原设备电气替换等等。

Suitable for scenarios:system integration,non-standard customizationproduction line upgrading and transformation,electrical replacement of original equipment,etc.

●操作人员:

应该由本品牌专业培训操作员来安装、操作和维修设备。专业人员具有技术能力强，熟悉安全信息和安全实施:

熟悉设备的安装加工、操作和维护:熟悉处理所有的潜在危险情况。

Equipment should be installed,operated and maintained by trained operators from the brand

●危险情况

警告

.请注意使用人员的人身安全。

●除了产品特性以及功能，还需了解产品的使用寿命环境。

●充分学习产品使用手册，否则非专业人员可能会造成人身危险。

Study the product instruction manual thoroughlyotherwise it may cause personal danger to non-professionals.

●服务行业

适用水泥，木业，石业，橡胶，石油，化工，发电，环保，水处理，制冷，交通，钢铁，食品，饮料，船舶，制冷等行业

Applicable to cementwood,stone,rubber,petroleumchemical, power generation