描述
IC694ALG222 GE 输入模块
IC694ALG222是属于PACSystem RX3i平台的输入模块,该平台原由GE智能平台开发,现隶属于艾默生自动化。IC694ALG222支持单端和差分接线配置,这规定了设备的可用输入通道的数量。具体而言,当采用差动接线方式时,可达八(8)个电压输入通道,当配置单端接线时,可达十六(16)个电压输入通道。单端接线是指参照地线的测量方法。信号引线连接到模块的输入端,公共端连接到接地端。这种配置对电磁干扰(EMI)的抵抗力较差,因此不应用于嘈杂的环境或没有重新线束的旧布线系统。用差分接线,两个(2)信号引线被用来测量目标变量。导线之间的差异作为实际测量的参考,并提供了增加的EMI电阻,因此,在关键测量中推荐这种布线方法。这个模拟输入模块接受电压信号,0到10V(单极)和-10到+10V(双极)分辨率2.5 mV(1 LSB=2.5 mV)在0-10vdc和5 mV(1 LSB=5 mV)在-10V到+10V。它在所有16个单端通道上显示的更新速率为6毫秒,在所有8个差分通道上显示的更新速率为3毫秒。该模块的测量精度额定在25°C(77°F)满量程的+/10.25%和在指定的工作温度范围内满量程的+/-0.5%。
GE Fanuc IC694ALG222输入模块是一个16通道模拟输入模块。IC694ALG222输入模块是一种支持16路单端输入通道或8路差分输入通道的输入模块。IC694ALG222输入模块的每个输入通道可配置为0~10伏或-10~+10伏。对于0到10伏的输入范围,工厂校准是2.5毫伏每计数,而对于-10到10伏的范围,工厂校准是5毫伏每计数。对于单端通道,更新速率为6毫秒,对于差分通道,更新速率为3毫秒。电场到背板的隔离电压为250伏交流连续和1500伏交流持续1分钟。额定跨通道抑制大于80分贝。
单端模式下,IC694ALG222输入模块的额定输入阻抗大于500khm。IC694ALG222输入模块的内部功耗在5伏直流下最大为112毫安,在24伏直流隔离电压下背板最大为41毫安。当IC694ALG222输入模块安装在RX3i背板上时,需要24v DC的外部电源为其供电。机柜背板左侧的TB1连接器需要连接外部电源。当IC694ALG222输入模块安装在扩展架上时,背板电源为IC694ALG222输入模块提供24v直流供电。A模块Ok;LED显示模块上电时的状态。当内部5伏直流电源高于最小阈值时,模块P/S LED亮起。
The IC694ALG222 is an input module that belongs to the PACSystem RX3i platform formerly by GE Intelligent Platforms now under Emerson Automation.The IC694ALG222 supports both single-ended and differential wiring configuration which dictates the number of available input channels to the device.Specifically,up to Eight(8)voltage input channels when differential wiring method is used and Sixteen(16)voltage input channels when single-ended wiring is configured.Single-ended wiring refers to the measurement method in reference to the ground wire.The signal lead is terminated to the input terminal of the module while the common is connected to the ground terminal.This configuration is less resistant to Electro-Magnetic Interference(EMI)thus,should not be used in noisy environments or old wiring systems without wire re-harnessing.With differential wiring,Two(2)signal leads are used to measure the target variable.The difference between the wire function as a reference to the actual measurement and provides increased resistance to EMI thus,this wiring method is recommended in critical measurements.This analog input module accepts voltage signals specifically,0 to 10 V(unipolar)and-10 to+10 V(bipolar)with resolution 2.5 mV(1 LSB=2.5 mV)at 0-10VDC and 5 mV(1 LSB=5 mV)at-10V to+10V.It exhibits an update rate of 6 milliseconds on all 16 single-ended channels and 3 milliseconds on all 8 differential channels.This module has measurement accuracy rated at+/10.25%of full scale 25°C(77°F)and+/-0.5%of full scale over a specified operating temperature range.
The GE Fanuc IC694ALG222 input module is a 16-channel analog input module.The IC694ALG222 input module is an input module that supports 16 single-ended input channels or 8 differential input channels.Each input channel on the IC694ALG222 input module can be configured for 0 to 10 Volts or-10 to+10 Volts.For the 0 to 10 Volts input range,the factory calibration is 2.5 millivolts per count,and for the-10 to 10 Volts range,the factory calibration is 5 millivolts per count.The update rate is 6 milliseconds for single-ended channels and 3 milliseconds for differential channels.The field to backplane isolation voltage is 250 Volts AC continuous and 1500 Volts AC for 1 minute duration.The rated cross-channel rejection is greater than 80 decibels.
In single-ended mode,the rated input impedance of the IC694ALG222 input module is greater than 500 kiloohms.The internal power consumption for the IC694ALG222 input module is a maximum of 112 milliamps at 5 Volts DC and a maximum of 41 milliamps from the backplane at 24 Volts DC isolated voltage.When the IC694ALG222 input module is installed in an RX3i backplane,an external power source rated for 24 Volts DC is required to power up the module.An external power source needs to be connected to the TB1 connector located on the left side of the rack backplane.When the IC694ALG222 input module is installed in an expansion rack,then the power supply of the backplane provides the 24 Volts DC supply for the module.A Module Ok;LED displays module’s status during powerup.The Module P/S LED lights up when the internal 5 Volts DC power supply is above the minimum threshold.
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