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RC610偏差(runout)与运行时间–长时间某些噪声源(锈、腐蚀和局部磁化区等)发生变化
位移传感器噪声源转子弯曲:为什么转子弯曲经常作为偏差处理,旋转的弯曲产生1X信号?机械故障诊断中,动态振动信号的1X成分是有用的。当研究机械的同步响应时,弯曲产生的信号要进行补偿,位移传感器噪声源
转子弯曲–如果转子弯曲是0性的,就可以按1X噪声源处理–某些弯曲,是不稳定的,会随着温度和负荷变化,这类弯曲如果具有可重复性,也可以按照噪声处理。轴裂纹产生的弯曲随裂纹的扩展而变化,且不具有重复性。三个定时器都使用一个中断IRQ5。定时器中断状态寄存器用于确定哪些计时器启动了中断。中断状态寄存器是一个通用输入寄存器,位于82C54外部,位于从电源管理基输入/输出地址偏移31h。中断状态寄存器地址可以通过首先确定PCI配置基址来找到对于设备ID 7113h和供应商ID 8086h。电源管理基本输入/输出地址可以通过从此PCI配置地址读取偏移量40h来找到。计时器中断状态寄存器位位于电源管理的偏移量31h处基址输入/输出地址,位5、6和7(参见图4-2)。从电源管理基本输入/输出地址读取偏移量31h的字节用于获取这些位。位5、6和7分别对应于计时器2、1和0,为了计时器中断状态寄存器,首先将零(0)写入通用输出寄存器,位于电源管理基座的偏移37h输入/输出地址位3、4和6(不是位3、4和5)。然后将1写在相同的重新启用定时器中断状态寄存器的位。位3、4和6对应于定时器2、1和0分别使用PC/AT的标准程序定时器中断IRQ5。有关使用82C54定时器的示例,请参阅附录D。VMIVME-7698计时器从500美元开始映射到输入/输出地址空间。请参阅表4-1计时器,由三个16位计时器和一个控制字寄存器组成(见图4-4)通过8位数据总线读取/写入。定时器0、1和2这三个定时器在功能上是等效的。因此,只有
将描述单个计时器。图4-5是计时器的框图。每个计时器功能独立。尽管控制字显示在计时器块中它不是计时器的一部分,但其内容直接影响计时器的工作方式功能。如图4-5所示,当锁存时,状态寄存器包含当前控制字寄存器的内容以及输出和负载的当前状态计数标志(状态字可通过Read Back命令获得,请参阅第59页的“阅读”部分)。计时器标记为TE(计时器元素)。它是一个16位同步可预设向下柜台标记为OLM和OLL的块是8位输出锁存器(OL)。下标M和L代表0高有效字节和0低有效字节。这些插销通常跟踪TE,但在收到命令时,将锁定并保持当前计数,直到CPU读取计数。读取锁存计数时,OL寄存器将继续跟踪TE。读取OL寄存器时,必须执行两次8位访问以检索计时器的完整16位值,因为一次只启用一个锁存器。TE无法读取;从OL寄存器读取计数。A single interrupt, IRQ5, is used by all three Timers. A Timer Interrupt Status register
is provided in order to determine which Timer(s) initiated an interrupt. The interrupt
status register is a general-purpose input register located, external to the 82C54, at
offset 31h from the Power Management base I/O address. The interrupt status
register address can be found by first determining the PCI Configuration base address
for Device ID 7113h and Vendor ID 8086h. The Power Management base I/O address
can be found by reading offset 40h from this PCI Configuration address. The Timer
Interrupt Status register bits are located at offset 31h from the Power Management
base I/O address, bits 5, 6, and 7 (refer to Figure 4-2).A byte read of Offset 31h from the Power Management base I/O address is used to
obtain these bits. Bits 5, 6, and 7 correspond to Timers 2, 1, and 0, respectivelyIn order to clear the Timer Interrupt Status register, first write zeros (0’s) to the
general-purpose output register located at offset 37h of the Power Management base
I/O address bits 3, 4, and 6 (Not bits 3, 4 and 5). Then write ones (1’s) to these same
bits to re-enable the Timer Interrupt Status register. Bits 3, 4, and 6 correspond to
Timers 2, 1, and 0, respectivelyThe Timer Interrupts are cleared using the standard procedure for clearing PC/AT
IRQ5. Refer to Appendix D for an example of using the 82C54 timers.The VMIVME-7698 Timers are mapped in I/O address space starting at $500. See
Table 4-1. The Timers, consisting of three 16-bit timers and a Control Word Register
(see Figure 4-4) are read from/written to via an 8-bit data bus.The three Timers, Timer 0, 1, and 2, are functionally equivalent. Therefore only a
single Timer will be described. Figure 4-5 is a block diagram of a Timer. Each Timer is
functionally independent. Although the Control word is shown in the Timer block
diagram, it is not a part of the Timer, but its contents directly affect how the Timer现场运维工单派遣频繁,24小时ON CALL没商量?ABB助力运维法方式升级,从周期性运维到状态运维和预测性运维,预判你的预判,助你成为运筹帷幄的“全知全能”。
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I.中央处理单元(CPU)Runout and running time – some noise sources (rust, corrosion, local magnetization zone, etc.) change for a long time
Noise source of displacement sensor
Rotor bending: why is the rotor bending often treated as deviation, and the rotating bending generates 1x signal? The 1x component of dynamic vibration signal is useful in mechanical fault diagnosis. When studying the synchronous response of the machine,
Noise source of displacement sensor
Rotor bending – if rotor bending is permanent, it can be treated as 1x noise source – some bending is unstable and will change with temperature and load. If such bending is repeatable, it can also be treated as noise. The bending caused by the axial crack varies with the crack propagation and has no repeatability. All three timers use an interrupt irq5. The timer interrupt status register is used to determine which timers initiated interrupts. The interrupt status register is a general-purpose input register, which is located outside the 82C54 and offset 31h from the input / output address of the power management base. The interrupt status register address can be found for the device ID 7113h and the vendor ID 8086h by first determining the PCI configuration base address. The power management basic input / output address can be found by reading the offset 40H from this PCI configuration address. The timer interrupt status register bit is located at the base address input / output address at the offset 31h of the power management, bits 5, 6 and 7 (see Fig. 4-2). The byte of offset 31h is read from the power management basic input / output address for acquiring these bits. Bits 5, 6 and 7 correspond to timers 2, 1 and 0 respectively. For the timer interrupt status register, zero (0) is first written to the general output register, which is located at offset 37h input / output address bits 3, 4 and 6 (not bits 3, 4 and 5) of the power management base. Then write 1 to the same bit of the re enable timer interrupt status register. Bits 3, 4 and 6 correspond to timers 2, 1 and 0 respectively interrupt irq5 using the standard program timer of PC / at. See Appendix D for an example of using the 82C54 timer. The vmivme-7698 timer maps to the input / output address space from $500. Refer to table 4-1. The timer is composed of three 16 bit timers and a control word register (see Figure 4-4) and is read / written through the 8-bit data bus. Timers 0, 1 and 2 are functionally equivalent. Therefore, only
A single timer will be described. Fig. 4-5 is a block diagram of a timer. Each timer functions independently. Although the control word is displayed in the timer block, it is not a part of the timer, but its content directly affects the working mode and function of the timer. As shown in Figure 4-5, when latched, the status register contains the contents of the current control word register and the current status count flag of the output and load (the status word can be obtained through the read back command, see the "reading" section on page 59). The timer is marked te (timer element). It is a 16 bit synchronous presettable block marked as OLM and oll and is an 8-bit output latch (OL). Subscripts m and l represent the most significant byte and the least significant byte. These pins usually track te, but when a command is received, they lock and hold the current count until the CPU reads the count. When the latch count is read, the ol register will continue to track te. When reading the ol register, you must perform two 8-bit accesses to retrieve the full 16 bit value of the timer because only one latch is enabled at a time. Te cannot be read; Read the count from the ol register. A single interrupt, IRQ5, is used by all three Timers. A Timer Interrupt Status register
is provided in order to determine which Timer(s) initiated an interrupt. The interrupt
status register is a general-purpose input register located, external to the 82C54, at
offset 31h from the Power Management base I/O address. The interrupt status
register address can be found by first determining the PCI Configuration base address
for Device ID 7113h and Vendor ID 8086h. The Power Management base I/O address
can be found by reading offset 40h from this PCI Configuration address. The Timer
Interrupt Status register bits are located at offset 31h from the Power Management
base I/O address, bits 5, 6, and 7 (refer to Figure 4-2). A byte read of Offset 31h from the Power Management base I/O address is used to
obtain these bits. Bits 5, 6, and 7 correspond to Timers 2, 1, and 0, respectivelyIn order to clear the Timer Interrupt Status register, first write zeros (0’s) to the
general-purpose output register located at offset 37h of the Power Management base
I/O address bits 3, 4, and 6 (Not bits 3, 4 and 5). Then write ones (1’s) to these same
bits to re-enable the Timer Interrupt Status register. Bits 3, 4, and 6 correspond to
Timers 2, 1, and 0, respectivelyThe Timer Interrupts are cleared using the standard procedure for clearing PC/AT
IRQ5. Refer to Appendix D for an example of using the 82C54 timers. The VMIVME-7698 Timers are mapped in I/O address space starting at $500. See
Table 4-1. The Timers, consisting of three 16-bit timers and a Control Word Register
(see Figure 4-4) are read from/written to via an 8-bit data bus. The three Timers, Timer 0, 1, and 2, are functionally equivalent. Therefore only a
single Timer will be described. Figure 4-5 is a block diagram of a Timer. Each Timer is
functionally independent. Although the Control word is shown in the Timer block
Diagram, it is not a part of the timer, but its contents directly affect how the timer on-site operation and maintenance work orders are dispatched frequently, and 24-hour on call is not discussed? ABB helps to upgrade the operation and maintenance method, from periodic operation and maintenance to state operation and maintenance and predictive operation and maintenance, to predict your prediction and help you become a "omniscient and omnipotent" strategist.