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产品详细资料
在三线连接方案中，从端子B11到B12的连接是在RTD处进行的。三线连接方案补偿745和RTD之间的布线电阻。在双线连接方案中，从端子B11到B12的连接是在745后部的接线板上进行的。不得省略此连接。双线连接方案不补偿745和RTD之间的布线电阻。3.2.12输出继电器745配备了八个输出继电器。输出继电器2至5具有A型触点，而输出继电器6至8和自检继电器具有C型触点。由于输出继电器2至5用于操作断路器跳闸线圈，因此a型触点的额定电流高于C型触点。请注意，自检继电器的工作模式是固定的，而其他继电器可以通过“保护元件”菜单进行分配，也可以由用户通过FlexLogic进行编程™ 固态跳闸输出还提供了高速固态（SCR）输出。此输出适用于需要对通信信道进行键控的应用程序。3.2.14模拟输出745提供7个模拟输出通道，其满量程范围可设置为以下范围之一：0至1 mA；0至5毫安；0至10毫安；0至20毫安；和4至20mA。每个模拟输出通道都可以编程为表示继电器测量的参数之一。有关详细信息，请参阅第5-43页的模拟输出1至7
In the three-wire connection scheme, the connection from terminal B11 to B12 is made at the RTD. The three-wire connection scheme compensates for the resistance of the wiring between the 745 and the RTD. In the two-wire connection scheme, the connection from terminal B11 to B12 is made at the terminal block on the rear of the 745. This connection must not be omitted. The twowire connection scheme does not compensate for the resistance of the wiring between the 745 and the RTD. 3.2.12 Output Relays Eight output relays are provided with the 745. Output relays 2 through 5 have form-A contacts while output relays 6 to 8 and the self-test relay, have form-C contacts. Since output relays 2 to 5 are intended for operating a breaker trip coil, the form-A contacts have higher current ratings than the form-C contacts. Note that the operating mode of the selftest relay is fixed, while the other relays can be assigned through the Protection Elements menu, or programmed by the user via the FlexLogic™ feature.Solid State Trip Output A high-speed solid state (SCR) output is also provided. This output is intended for applications where it is necessary to key a communications channel. 3.2.14 Analog Outputs The 745 provides 7 analog output channels whose full scale range can be set to one of the following ranges: 0 to 1 mA; 0 to 5 mA; 0 to 10 mA; 0 to 20 mA; and 4 to 20 mA. Each analog output channel can be programmed to represent one of the parameters measured by the relay. For details, see Analog Outputs 1 to 7 on page 5–43
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。

主营产品各种模块/卡件，控制器，触摸屏，伺服驱动器。

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只卖库存产品;出完需订货!价格以客服说明为准!!订货货期以客服说明为准，有任何疑问请联繁客服! Limited stock, Contact US!

●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