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REXROTH VT-HNC100-1-23/W-08-0-0驱动模块
串行和并行端口PC外围设备包括两个高速16550兼容串行端口（RS-232C）和一个ECP或EPP可配置并行端口。COM1可使用跳线配置为RS-485主板上的J8到J18（见第13页）。
键盘接口
键盘接口使用前面板上的PS/2型连接器。+5V由多功能开关保护。如果+5V对GND短路，该设备将开路。一旦短路条件消除后，多功能开关将允许电流恢复。辅助/鼠标端口辅助端口接受PS/2兼容鼠标、轨迹球等。
行业包扩展XVME-660包括子板上的工业包（IP）模块扩展。
Xycom销售许多可与XVME-660一起使用的IP模块。
小心IP规格如下。不要超过这些评级。
IP输入/输出电压电平：69.29 VDC或49 VAC RMS
IP I/O隔离规范：从一个IP信号到另一个IP信号。
从一个IP信号到所有其他非IP信号，包括电源和接地。
每条轨迹将处理½A的电流。跟踪将经历当抽满½a时，温度升高30℃。
子板PMC扩展XVME-660支持可选的PMC（PCI夹层卡）扩展子板PMC扩展站点（一个5V PMC站点）。
进一步的PMC和PC/104扩展选项XVME-660支持可选的PMC（PCI夹层卡）和PC/104扩展
使用XVME-976扩展模块。XVME-976/1提供了一个PCI夹层
板卡（PMC）站点和一个16位PC/104站点，XVME-976/104提供两个16位
PC/104站点。这两个XVME-976模块都设计为直接插入
XVME-660使用子卡上的两个80针扩展板连接器。看门狗定时器
XVME-660包含一个看门狗定时器
启用后，计时器可以生成中断或主重置，具体取决于您如何配置看门狗计时器
定时器输入需要在1.0秒内切换，以防止超时。超时可导致复位或IRQ10（见第17页）。
笔记超时范围为1.0秒至2.25秒；通常是1.6秒。
软件支持XVME-660与PC完全兼容，将运行“现成”的PC软件，但
大多数软件包将无法访问VMEbus的功能。为了解决这个问题，Xycom自动化公司开发了广泛的板级支持包（BSP），可以简化VMEbus数据与PC软件应用程序的集成。Xycom自动化的BSP为用户提供了应用程序之间高效的高级接口以及VMEbus到PCI桥接设备。板支持包可用于MSDOS、Windows NT®、LynxOS和Solaris™, QNX®和VxWorks®
Serial and Parallel Ports
PC peripherals include two high-speed 16550-compatible serial ports (RS-232C) and an
ECP or EPP configurable parallel port. COM1 is configurable to RS-485 using jumpers
J8 through J18 on the mainboard (see p. 13).
Keyboard Interface
The keyboard interface uses a PS/2-style connector on the front panel. The +5V is protected with a polyswitch. This device will open up if the +5V is shorted to GND. Once
the shorting condition is removed, the polyswitch will allow current flow to resume.
Auxiliary/Mouse Port
The auxiliary port accepts a PS/2-compatible mouse, track ball, etc.
Industry Pack Expansion
The XVME-660 includes Industry Pack (IP) module expansion on the daughterboard.
Xycom sells many IP modules that can be used with the XVME-660.
Caution
The IP specifications are as follows. Do not exceed these ratings.
IP I/O Voltage Levels: 69.29 VDC or 49 VAC RMS
IP I/O Isolation Specifications:
Isolation up to 100 VDC or 70.7 VAC RMS from one IP signal to
another IP signal.
Isolation up to 354 VDC or 250.28 VAC RMS from one IP signal to
all other non-IP signals including power and ground.
Each trace will handle ½ A of current. The trace will experience a
30C rise in temperature when drawing a full ½ A.
Daughterboard PMC Expansion
The XVME-660 supports optional PMC (PCI Mezzanine Card) expansion using the
daughterboard PMC expansion site (one 5V PMC site).
Further PMC and PC/104 Expansion Options
The XVME-660 supports optional PMC (PCI Mezzanine Card) and PC/104 expansion
using XVME-976 expansion modules. The XVME-976/1 provides one PCI Mezzanine
Card (PMC) site and one 16-bit PC/104 site and the XVME-976/104 provides two 16-bit
PC/104 sites. Both of these XVME-976 modules are designed to plug directly into the
XVME-660 using the two 80-pin expansion board connectors on the daughtercard. Watchdog Timer
The XVME-660 incorporates a watchdog timer. When enabled, the timer can either generate an interrupt or a master reset, depending on how you configure the watchdog timer
port. The timer input needs to be toggled within 1.0 second to prevent timeout. Timeout
can cause either a reset or IRQ10 (see p. 17).
Note
The timeout range is from 1.0 second to 2.25 seconds; it will typically be
1.6 seconds.
Software Support
The XVME-660 is fully PC-compatible and will run "off-the-shelf" PC software, but
most packages will not be able to access the features of the VMEbus. To solve this problem, Xycom Automation has developed extensive Board Support Packages (BSPs) that
simplify the integration of VMEbus data into PC software applications. Xycom Automation’s BSPs provide users with an efficient high-level interface between their applications
and the VMEbus-to-PCI bridge device. Board Support Packages are available for MSDOS, Windows NT®, LynxOS, Solaris™, QNX®, and VxWorks®
