Honeywell SPS5710开关量模块
图5.9/3用于使装置PW1002/3适应风扇电流。X轴标准化为1并表示风扇电流。负载电阻为60欧姆(等于默认值):1等于5A。Y轴在输出中按比例缩放电压(外部上拉电阻为2k2至5V)作为转换器电子设备的输出信号。2 V和3 V范围内的值值得关注,因为这些值可以通过软件设置为阈值,使用温度设置参数。如果电流低于/高于交叉点-参数值/选定曲线,转换器将生成错误消息。该板用于快速零电流检测特别适用于电机中的三相磁场变换器生成器应用程序。董事会提供了一个保险箱零电流检测,也适用于其他非常大的负载电感。
该板位于SDCS-CON-2板上,并且插入X12、X13和X17。
X17:仅用于机械原因。这个电气功能(与IOE-1的连接)保持不变。
所有DCS/DCF转换器均配备零通过监测电流信号进行电流检测某一水平。CZD-01板还具有所有晶闸管的阴极/阳极电压测量。电压测量提供了以下方面的清晰检测:直流负载条件。
零电流检测的要求是:•实际负载电流低于低阈值
•上部三轴器堵塞(V11、V13、V15…)
或下部晶闸管被功率信号测量板SDCS-MP-1阻断(V12、V14、V15…)用于服务和重建
(DCR 500/DCR 600调试)帮助。没有这个板实际上是不可能测量的使用示波器或通用仪表控制板和电源之间的信号接口板。板插入控制板连接器X12、X13和X17。带状电缆正常
连接到控制板,连接到测量板连接器具有:与上相应连接器的名称相同控制板。
提供以下信号的测量点
-三相接地电压UU、UV和华盛顿大学
-三相电压UVU、UWV和UUW
-一个整流和滤波的相间电压UAC
带符号滤波的电枢电压UDC
-带符号的电枢电流IACT
-六个晶闸管点火命令BZP1…BZP6
-两个电流方向命令SR1和SR2
SR2(测量点SR11和SR21)
-脉冲变压器一次电流之和
可通过测量点进行测量SR11-SR12或SR21-SR22,取决于电流方向
-控制板接地0V。
测量点与控制板信号,带10 k电阻或带运算放大器,使意外短路测量点之间的电路不影响转换器的工作。测量点0V直接连接到控制板接地。
The power signal measurement board SDCS-MP-1
is intended to be used as a service and rebuild
(DCR 500 /DCR 600 commissioning) aid. Without
this board it is practically impossible to measure
with oscilloscope or with general purpose meter
signals between the control board and the power
interface board(s).
The board is plugged to the control board connectors X12, X13 and X17. The ribbon cables normally
connected to the control board are connected to
the measurement board connectors having the
same name as the respective connector on the
control board.
Measurement points for following signals are provided:
- the three phase to ground voltages UU, UV and
UW
- the three phase to phase voltages UVU, UWV and
UUW
- one rectified and filtered phase to phase voltage
UAC
- armature voltage UDC with sign filtered
- armature current IACT with sign
- the six thyristor firing commands BZP1...BZP6
- the two current direction commands SR1 and
SR2 (measurement points SR11 and SR21)
- the sum of pulse transformer primary currents
can be measured accross measurement points
SR11-SR12 or SR21-SR22 depending on current
direction
- the control board ground 0V.
The measurement points are separated from the
control board signals either with 10 k resistors or
with operational amplifiers so that accidental short
circuits between the measurement points do not affect the converter operation. Measurement point 0V
is directly connected to control board ground.