离散输出模块8x24VDC/230VAC AS-BDAP-208

产品标题：Schneider AEG 离散输出模块8x24VDC/230VAC AS-BDAP-208

型号： 离散输出模块8x24VDC/230VAC AS-BDAP-208

品牌：Schneider AEG  

质保：七天验收期，质保期一年
发货期：1-3个工作日

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产品详情资料

8.3.3控制单元
控制单元包括以下主要模块：
-微控制器80C198用于控制和点火
-交流时的实际直流电流测量
电流互感器。
-转换器控制器的RS485接口
SDCS-CON-x板。
存储磁场电流控制软件
80C198的ROM存储器
这通过使用电流控制器的PI结构来完成。控制或所需的所有参数
缩放原因（选择负载电阻器）如下：
存储在电枢的非易失性存储器中
并在每个初始化过程中通过RS485链路传输到现场控制器。
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。
8.3.4动力部分
如果使用DCF503-0050，则使用两个二极管晶闸管
模块布置为半控制单相整流器。如果使用DCS504-0050，则将四个晶闸管-晶闸管模块布置为完全控制的单相整流器。二者的阳极
二极管（晶闸管的阳极/阴极）不
通常彼此直接连接；他们是
现在连接到初级绕组的端部
电流互感器。中央水龙头是
整流器的负输出。因此，有可能：
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。自由旋转功能
例如，在网络故障期间，由于二极管而需要“内置”，如果半受控版本
使用中。如果使用完全控制版本，则免费
通过使用晶闸管实现旋转功能8.3.3 Control unit
The control unit includes the following main blocks:
- Micro controller 80C198 for controlling and firing
- Actual DC current measurement with an AC
current transformer.
- RS485 interface to the converter's controller
board SDCS-CON-x.
The software for the field current control is stored
the ROM memory of the 80C198. The control is
done by using a PI structure for the current controller. All parameters needed for the control or for
scaling reasons (selection of burden resistors) are
stored in the non-volatile memory of the armature
converter and transferred to the field controller during each initializing process via the RS485 link.
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.
8.3.4 Power section
If a DCF503-0050 is in use two diode-thyristor
modules are arranged as a half-controlled singlephase rectifier. If a DCS504-0050 is in use four thyristor-thyristor modules are arranged as a fully-controlled single-phase rectifier. The anodes of the two
diodes (anodes / cathodes of the thyristors) are not
connected directly to each other as usual; they are
now connected to the ends of the 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. The free wheeling function
needed e.g. during network failure is ”build in” because of the diodes, if the half-controlled version is
in use. If the fully-controlled version is used the free
wheeling function is realized by using the thyristors
in diode mode, controlled by the micro controller.
在二极管模式下由微控制器控制。

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