These notes give important information on a certain issue. 这些备注将给出有关特定事项的重要信息。 1 .2 Specified application 1.2 指定应用 The D1272AT digital indicator is used to indicate such process D1272AT 数字指示器用于指示工艺值,例如温度或油 values as temperature or oil level. 位。 It is important to read and observe the limit values for 调试装置前,务必查阅并遵守标示牌和操作说明中所指...
产品规格/Product Specification 产品规格 Product Specification The D1272AT digital indicator is an easy-to-use device for the D1272AT 数字指示器使用简便,可显示标准 Pt100 或 4-20 mA 信号。 indication of standard Pt100 or 4-20 mA signals. 在正常运行期间,测得的值在 4 位 LCD 显示屏上显示。 During normal operation, the measured value is shown on the 4-digit LCD display.
Pt100 或 4-20 mA 信号可根据设备设计(参考铭牌)与 A Pt100 or 4-20 mA signal can be connected to the input of D1272AT 的输入端连接。 the D1272AT in accordance with the device design (refer to nameplate). 监测输入范围,如果出现错误,显示以下消息: The input range is monitored and, in case of error, the follow- ing messages are displayed: •...
图 2/Fig. 2 按照下列要求继续安装设备: Proceed as follows to install the device: • 将 D1272AT 数字指示器滑入控制板的切口中,确保 • Slide the D1272AT digital indicator into the control panel 指示器的最终位置在正面。然后轻轻地将其按到控制板 cutout so that the final location of the indicator is in front. 上。检查确保控制板密封件定位正确。 Then lightly press it against the control panel. Check to make sure that the control panel seal is positioned correctly.
4-20 mA,无源传感器: D1272AT 数字指示器装有为传感器/信号转换器供电 4-20 mA, passive sensor: 的模块。无源传感器(例如指针温度计 MT-ST160SK/ The D1272AT digital indicator is equipped with a module for TT)可用此供电。 powering a sensor/signal transducer. A passive sensor (e.g., 端子 10 (-) 和端子 12 (+) 有约 24 VDC 的传感器电源 pointer thermometer MT-ST160SK/TT) can be powered with 可用。...
技术数据/Technical Data 4.3 继电器输出报警 1 和报警 2(可选) 4 .3 Relay outputs alarm1 and alarm2 (optional) 继电器输出被设计为双继电器(即两个常开触点通过端 The relay outputs are designed as double relay (i.e., the two 子 23 具有相同电势)。 N/O contacts have a common potential on terminal 23). 将继电器连接到端子 22 和 23 或连接到 24 和 23,依 Connect the relay to terminals 22 and 23 or 24 and 23 depen- 具体应用而定。...
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± 0.01 % of the display range per °C of 环境温度的影响: 环境温度每更改 1 °C, Influence of 显示范围 ± 0.01 % ambient temp.: the change of ambient temperature 相对湿度的影响: 可忽略 Influence of relative humidity: negligible 电源电压的影响: 可忽略 Influence of the supply voltage: negligible 电源电压:...
附录/Appendix 使用寿命: 在标称负荷下,> 500,000 周期运行 Service life: > 500,000 cycles of operation at nominal load 最小开关电流: > 20 mA Min. switch current: > 20 mA 模拟输出端: Analog output: 直流电压信号: 0-10 V 或 0-5 V, DC-voltage signal: 0-10 V resp. 0-5 V, 负荷...
附录/Appendix 6.2 有源 4-20mA 传感器的连接图 6 .2 Connection diagram of active 4-20mA sensor 100 – 240 V AC Analog output* 13 14 15 16 17 18 19 20 21 Alarm 2, NO* Alarm 1, NO* * optional feature Input for active 4 to 20 mA signal 图...
附录/Appendix 6.5 有源 4-20 mA 传感器示例 6 .5 Example of an active 4-20 mA sensor EPT202 9 10 19 20 Messko POWER ALARM TRIP ERROR EPT 202 24 25 31 32 33 34 40 41 42 43 100 – 240 V AC Analog output*...
附录/Appendix 6.6 无源 4-20 mA 传感器示例 6 .6 Example of a passive 4-20 mA sensor MT-ST160SK/TT / or KombiTT / CombiTT MT-ST160W(R)/TT ϑ 100 – 240 V AC Analog output* 13 14 15 16 17 18 19 20 21 Alarm 2, NO* 24 V DC Sensor power supply Alarm 1, NO* * optional feature...
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