带有数字I/O线的8通道计数器/定时器
概览：
NI PXI-6602是一款定时和数字I/O模块，拥有8个32位计数器/定时器和32条与TTL/CMOS兼容的数字I/O线。其中8条为专用数字I/O线，剩余24条与计数器/定时器共用。 借助NI PXI-6602，用户可执行各种计数器/定时器的测量任务，包括编码器定位测量，事件计数，周期测量，脉冲宽度测量，脉冲生成，脉冲序列生成以及频率测量。
规范概要：
|
General
|
|
Product Family
|
计数器 / 定时器 |
|
Measurement Type
|
数字
正交编码器
频率 |
|
Form Factor
|
PXI / PXI Express |
|
PXI Bus Type
|
可兼容PXI混合总线 |
|
Operating System / Target
|
Linux
Mac OS
Windows |
|
Module Width
|
1 |
|
RoHS Compliant
|
否 |
|
Isolation Type
|
None |
|
模拟输入
|
|
单端通道
|
0 |
|
差分通道
|
0 |
|
模拟输出
|
|
Number of Channels
|
0 |
|
Digital I / O
|
|
Bidirectional Channels
|
32 |
|
Input-Only Channels
|
0 |
|
Output-Only Channels
|
0 |
|
Timing
|
软件 |
|
Logic Levels
|
TTL |
|
Programmable Input Filters
|
是 |
|
Supports Programmable Power-Up States?
|
否 |
|
Digital Input
|
|
Input Type
|
源电流
漏电流 |
|
Maximum Voltage Range
|
-0.3 V - 5 V |
|
Digital Output
|
|
Output Type
|
源电流
漏电流 |
|
Current Drive Single
|
4 mA |
|
Maximum Voltage Range
|
0 V - 5 V |
|
Counters / Timers
|
|
Watchdog Timer
|
否 |
|
Counters
|
8 |
|
Number of DMA Channels
|
3 |
|
Buffered Operations
|
是 |
|
Debouncing / Glitch Removal
|
是 |
|
Max Source Frequency
|
80 MHz |
|
Pulse Generation
|
是 |
|
Size
|
32 bits |
|
Timebase Stability
|
50 ppm |
|
Logic Levels
|
TTL |
|
Timing / Triggering / Synchronization
|
|
Triggering
|
数字 |
|
Synchronization Bus(RTSI)
|
Yes |
|
Physical Specifications
|
|
Length
|
16 cm |
|
Width
|
10 cm |
|
I / O Connector
|
68-pin SCSI-II type公头 |
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http://sine.ni.com/nips/cds/view/p/lang/zhs/nid/1124
