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PT100可配置温度传感器MINI MCR-SL-PT100-UI（-SP）（-NC）是一种可配置的3路隔离温度测量传感器。它适用于根据IEC 60751在2、3和4导体连接系统中连接PT100电阻温度计。在输出侧，模拟标准信号0…20 mA、4…20 mA，0…10 V、0…5 V、1…5 V，10…0 V、20…0 mA、20…4 mA可用，电气隔离。DIP开关位于外壳侧面，允许配置以下参数：–连接系统，–要测量的温度范围，–输出信号，以及–错误评估类型。电压供应（19.2…30 V DC）可通过模块的接线端子“7”/“8”连接，或通过DIN导轨连接器连接在一起（参见第8页图5）。请注意第9.1页的“连接系统”输入：PT100电阻温度计2透明盖3诊断LED 4 ZBF槽6 Zack标记条5输出：标准信号6电源电压7 DIN导轨连接器的连接选项8 DIP开关S1 9 DIP开关S2 10 DIP开关S3 11 EN安装导轨的通用按扣式脚踏诊断LED（图1，详图3）在上可见并显示以下错误状态：–LED闪烁：测量范围跨度小于50 K–LED亮起：传感器侧断线–LED亮起来：传感器侧短路–LED亮了：测量范围超出–LED亮着：测量范围低于如果设备未配置（“NC版本”：MINI MCR-SL-PT100-UI-NC或…-SP-NC），所有DIP开关都位于位置0。在设置DIP开关之前，设备没有定义的功能。DIP开关S1 DIP开关S2（图1，详图8）定义了连接系统、输出信号范围和测量范围的开始。
通过MINI模拟模块供电
如果对齐的MINI模拟模块的总电流消耗不超过400 mA，则可以直接在MINI模件的接线端子处馈电。我们建议上游连接400 mA保险丝。使用电源接线板供电电源接线板MINI MCR-SL-PTB（订单号：28 64 13 4）或MINI MCR-SL-PTB-SP（订单号为28 64 14 7），形状相同，用于将电源电压馈送至DIN导轨连接器。我们建议上游连接2 a保险丝。使用系统电源装置馈电系统电源装置MINI-SYS-PS-…（订单号：28 66 98 3），1.5 a输出电流与DIN导轨连接器接触，电源电压允许从网络中提供多个MINI模拟模块。2-导线连接系统（图6）-对于短距离（<10 m）-电缆电阻RL1和RL2直接包含在测量结果中，并相应地伪造结果。3导体连接系统（图7）-对于PT100传感器和MINI模拟模块之间的长距离连接，所有电缆电阻值必须完全相同，以平衡传感器电缆电阻（RL1=RL2=RL3）。4导体连接系统（图8）–适用于PT100传感器和MINI模拟模块之间的长距离连接以及不同的电缆电阻（RL1≠ 第二轮≠ 第三轮≠ RL4）。
Configurable Temperature Transducer for PT100
MINI MCR-SL-PT100-UI(-SP)(-NC) is a configurable 3-way isolated temperature measuring transducer. It is suitable for the connection of PT100 resistance thermometers in acc. with IEC 60751 in 2, 3 and 4-conductor connection systems. On the output side, the analog standard signals 0...20 mA, 4...20 mA, 0...10 V, 0...5 V, 1...5 V, 10...0 V, 20...0 mA, 20...4 mA are available, electrically isolated. The DIP switches are accessible on the side of the housing and allow the following parameters to be configured: – Connection system, – Temperature span to be measured, – Output signal, and – Type of error evaluation. The voltage supply (19.2...30 V DC) can be provided via connecting terminal blocks "7"/"8" of the modules, or together, via the DIN rail connector (see Figure 5 on page 8). Please also observe "Connection Systems" on page 9.1 Input: PT100 resistance thermometer 2 Transparent cover 3 Diagnostics LED 4 Groove for ZBF 6 Zack marker strip 5 Output: Standard signals 6 Supply voltage 7 Connection option for DIN rail connector 8 DIP switch S1 9 DIP switch S2 10 DIP switch S3 11 Universal snap-on foot for EN mounting rails Diagnostics LED (Figure 1, detail 3) is visible on the front and displays the following error statuses: – LED flashes: Measuring range span less than 50 K – LED lit: Line break on the sensor side – LED lit: Short circuit on the sensor side – LED lit: Measuring range exceeded – LED lit: Measuring range fallen below If the device is not configured ("NC version": MINI MCR-SL-PT100-UI-NC or ...-SP-NC), all DIP switches are at pos. 0. The device does not have a defined function until the DIP switches have been set. DIP Switch S1 DIP switch S1 (Figure 1, detail 8) defines the connection system, output signal range and the start of the measuring range.
Feeding in power via the MINI Analog module
Where the total current consumption of the aligned MINI Analog modules does not exceed 400 mA, the power can be fed in directly at the connecting terminal blocks of a MINI Analog module. We recommend connecting a 400 mA fuse upstream. Feeding in power with a power terminal block Power terminal block MINI MCR-SL-PTB (Order No.: 28 64 13 4) or MINI MCR-SL-PTB-SP (Order No.: 28 64 14 7), of the same shape, is used to feed in the supply voltage to the DIN rail connector. We recommend connecting a 2 A fuse upstream. Feeding in the power with a system power supply unit System power supply unit MINI-SYS-PS-... (Order No.: 28 66 98 3) with 1.5 A output current contacts the DIN rail connector with the supply voltage, allowing several MINI Analog modules to be supplied from the network.2-conductor connection system (Figure 6) – For short distances (< 10 m) – Cable resistances RL1 and RL2 are incorporated in the measurement result directly and falsify the result accordingly.3-conductor connection system (Figure 7) – For long distances between PT100 sensor and MINI Analog module – The value of all cable resistances must be exactly the same in order to balance out the sensor cable resistances (RL1 = RL2 = RL3).4-conductor connection system (Figure 8) – For long distances between the PT100 sensor and the MINI Analog module and different cable resistances (RL1 ≠ RL2 ≠ RL3 ≠ RL4).
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