BIM 7801C61G01 模拟量输入输出控制器 CUTLER

产品标题：BIM 7801C61G01 模拟量输入输出控制器 CUTLER HAMMER

型号：BIM 7801C61G01 模拟量输入输出控制器  

品牌：  CUTLER HAMMER

质保：七天验收期，质保期一年
发货期：1-3个工作日

产品图片展示

产品详情资料

输出Iact表示实际场电流，
通过交流变压器测量，然后
整流并转换为电压信号
负载电阻。如前所述，负载电阻器由电路板自身根据标称磁场电流的设置进行调整
电机（见前面的列表）。由此产生的负担
可以在旁边的测试端子上测量电压
X14:。2.2 K电阻允许在以下位置短路：
终端；外部测量装置应：
具有高于1M
的内阻。
端子行X20：用于测试目的。
8.2.3动力部分
两个二极管晶闸管模块布置为
半控制单相整流器。阳极
这两个二极管不直接连接
其他照常；它们现在连接到两端
电流互感器的四匝初级绕组。中心抽头是的负输出
整流器。因此，可以用交流电流互感器测量直流电流。
MOV（金属氧化物变阻器）保护交流输入
防止来自外部电源的电压尖峰。
另一个MOV保护直流输出免受直流电机励磁绕组引起的电压浪涌。
图8.2/2励磁机SDCS-FEX-2方框图
同步
负担调整
交流输入直流输出
电源电压
+48V、+15V、-15V、+5V、0V
控制单元
从SDC到S-CON-x
通过X14：
RS 485
串行链路
半控制励磁机装置DCF503-0050
由SDCS-FEX-32板、两个晶闸管组成/
二极管电源模块和辅助设备（电源、线路扼流圈）。全控励磁机
装置DCF504-0050由SDCS-FEX-31组成
板，四个反并联晶闸管/晶闸管电源
模块和相同的辅助设备。
图8.3/2 DCF504-0050励磁机装置布局图
图8.3/1 DCF50x-0050电源部分的不同版本
控制结构类似于SDCS-FEX2现场电源。微控制器用于控制和点火。使用交流电流互感器（相同配置）测量直流电流
而在SDCS-FEX-2）。The output Iact represents the actual field current,
which is measured via the AC transformer, then
rectified and transferred into a voltage signal with
burden resistors. The burden resistors, as mentioned before, are adapted by the board itself depending on the setting of the nominal field current
of the motor (see list before). The resulting burden
voltage can be measured at test terminals beside
X14:. The 2.2 K
resistor allows a short circuit at
the terminals; the external measuring device should
have an internal resistance higher than 1M
.
The terminal row X20: is used for test purposes.
8.2.3 Power section
Two diode-thyristor modules are arranged as a
half-controlled single-phase rectifier. The anodes of
the two diodes are not connected directly to each
other as usual; they are now connected to the ends
of the four turn primary winding of the current transformer. The centre tap is the negative output of the
rectifier. Thus it is possible to measure the DC current with an AC current transformer.
A MOV (Metal Oxide Varistor) protects the AC input
against voltage spikes from the external source.
Another MOV protects the DC output against voltage surges which can be caused by the field winding of a DC machine.
Fig. 8.2/2 Block diagram of the field exciter SDCS-FEX-2
Synchronisation
burden adjustment
AC Input DC Output
Power supply voltages
+48V, +15V, -15V, +5V, 0V
Control unit
from SDC S-CON-x
via X14:
RS 485
Serial link
The half controlled field exciter unit DCF503-0050
consists of the SDCS-FEX-32 board, two thyristor/
diode power modules and auxiliaries (power supply, line choke). The fully controlled field exciter
unit DCF504-0050 consists of the SDCS-FEX-31
board, four anti-parallel thyristor/ thyristor power
modules and the same auxiliaries.
Fig. 8.3/2 Layout of the DCF504-0050 field exciter unit
Fig. 8.3/1 Different versions of power section of the DCF50x-0050
The control is structured similar to the SDCS-FEX2 field supply. A micro controller is used for controlling and firing. The DC current is measured by using an AC current transformer (same configuration
than at SDCS-FEX-2).

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