IS215VPROH1B IS215VPROH1BD工控自动化卡件
BITS规格F AI电流范围a图。模拟电流输入过程的缩放是足够的保护操作，在V模式下性能降低。通过使用光学隔离，在现场布线和背板之间提供了电气隔离。将电容负载和噪声降至最低所有现场连接应使用良好等级的twisd屏蔽仪表室进行布线。防护罩可以连接或。该连接提供对中模拟ry的mon的访问。该连接提供了机架接地的通道。当的电源工作时，面板顶部的D指示灯亮起。的输入电源是由电源提供的isolad+VDC电源。该电压通过逆变器进行分组，为提供工作电压。这也会消耗电源驱动隔离系统的+VDC电源。这可以安装在系统的任何插槽或插槽中。请参阅第d页，了解系统中可安装的模拟电流输入的数量。表。模拟电流输入ICALG输入电流范围和校准面校准每计数Upda Ra msec所有四秒绝对精度分辨率的规范。完全sca+。在直流电压下，读取mon模式电压电压线性度<场侧和逻辑侧mon模式抑制db之间的ast有效位隔离电压；来自DC kHz输入阻抗ohms输入滤波器响应Hz内部功耗来自底板上+伏总线的隔离+伏电源的db交叉抑制db参考附录B了解产品标准和一般规范。在存在严重射频干扰的情况下，IEC Vm精度可能会降低±。FS。AI电流范围a模拟输入s F apr模拟输入s ICALG模拟电流输入框图下图是模拟电流输入的框图。IOCLK V V V Inverter REGULAR AND VOLTAGE SUPERVISOR RSTB PWR LV EN IODT BID L隔离背板内面定时发生器IV I V模式信号ICLK AO AI MXCLK BYSL WRB VOLT ANGE ICS S RSTB ICLK ENAB SDOT DATA HIGH BY LAT DATA BUSYB CONVER VOLTAG REFEREF POT V ADJUST OFFSET POT ADJUST FIRED INPUT DUAL：MUX TRI：MUX模拟输入INA差动放大器F I L E R T a RANA框架接地等级Ω .W或I规范图。模拟电流输入框图ICALG规范F ICALG模拟输入现场接线信息下图提供了将现场接线连接到模拟电流输入上的用户板的信息。S现场布线可选现场布线图。模拟电流输入的现场接线否为了限制每个电流源的共模电压，如果源是浮动的，那么y线上的电流源也会与其关联。这些可选连接如上图所示。有关接线和屏蔽接地连接的详细信息，请参阅apr。PAC系统™ RXi Sysm Ocber C模拟输入电流：ICALG K用户电源模拟电流输入ICALG提供单端输入。Ea输入可使用配置软件配置三个输入范围中的任何一个：所有范围都有增强的高和低报警限值。在增强型范围内，可设置低报警限值，以检测应用中提供的开路故障检测的输入电流。
BITS Specifications F AI CURRENT RANGE a Figure . Scaling for Analog Current Input Input proction for the is sufficient guarane operation with reduced perfornce with up V monmode. The provides ectrical isolation of exrnally generad noise between field wiring and the backplane through the use of optical isolation. minimize the capacitive loading and noise all field connections the should be wired using a good grade of twisd shielded instrumentation cab. The shields can be connecd either or . The connection provides access the mon of the analog ry in the . The connection provides access the frame ground. An D at the p of the facepla is ON when the ’s power supply is operating. The in power source for the is the isolad + VDC power supplied by the power supply. This voltage is roud through an inverrregular provide the operating voltage for the . This also consumes power from the + VDC of the power supply drive the isolation ry. This can be instald in any slot of a or slot in a sysm. See page dermine the number of Analog Current Input s that can be instald in a sysm. Tab . Specifications for Analog Current Input ICALG Input Current Ranges and Calibration Facry calibrad per count Upda Ra msec all four s Resolution at Resolution at Absolu Accuracy . full sca + . reading mon Mode Voltage volts Linearity < ast Significant Bit Isolation volts between field side and logic side mon Mode Rejection db at DC; db at Hz Cross Rejection db from DC kHz Input Impedance ohms Input Filr Response Hz Inrnal Power Consumption from the isolad + volt supply from+ volt bus on the backplane Refer Appendix B for product standards and general specifications. In the presence of severe RF inrference IEC Vm accuracy y be degraded ±. FS. AI CURRENT RANGE a Analog Input s F apr Analog Input s ICALG Analog Current Input Block Diagram The following figure is a block diagram of the Analog Current Input . IOCLK V V V INVERR REGULAR AND VOLTAGE SUPERVISOR RSTB PWR LV EN IODT BID BID L ISOLATION BACKPLANE INRFACE TIMING GENERAR IV I V MODE SIGNALS ICLK AO AI MXCLK BYSL WRB VOLT ANGE ICS S RSTB ICLK ENAB SDOT DATA HIGH BY LAT DATA BUSYB CONVERR VOLTAGE REFERENCE VREF POT V ADJUST OFFSET POT ADJUST FILRED INPUTS DUAL : MUX TRI : MUX ANALOG INPUT INA DIFFERENTIAL AMP F I L E R T a RANA RANA FRAME GROUND RANB RANB F I L E R T S Ω .W OR I SPECIFICATION Figure . Analog Current Input Block Diagram ICALG Specifications F ICALG Analog Input Field Wiring Infortion The following figure provides infortion for connecting field wiring the user board on the Analog Current Input . S FIELD WIRING a OPTIONAL FIELD WIRING Figure . Field Wiring for Analog Current Input No In order limit monmode voltages ea current source mon line y also be tied its associad if the source is floating. These optional connections are shown in the figure above. Pase refer apr for wiring and shield ground connection details. PACSysms™ RXi Sysm Ocber C Analog Input Current: ICALG K USER SUPPLY The Analog Current Input ICALG provides singended inputs. Ea input can be configured using the configuration software for any of three input ranges: Enhanced High and Low alarm limits are availab on all ranges. In the Enhanced range a low alarm limit can be set up dect input current from providing openwire fault dection in applications.
