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USB-6525

更新时间： 2024-12-01 08:21:55
品牌 Logo 应用领域
美国国家仪器公司 - NI 便携式
页数 文件大小 规格书
5页 665K
描述
Small, portable digital I/O device / Eight channel-to-channel optically isolated inputs

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中文翻译

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USB-6525 数据手册

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Industrial Digital I/O Device for USB –  
60 V, Channel-to-Channel Isolated  
NI USB-6525  
• Small, portable digital I/O device  
Operating Systems  
• Eight channel-to-channel optically  
isolated inputs ( 6ꢀ ꢁVD)  
• Eight channel-to-channel optically  
isolated, solid-state relay outputs  
(6ꢀ ꢁVD/3ꢀ ꢁrms max)  
• Windows ꢁista/XP/2ꢀꢀꢀ  
Recommended Software  
• LabꢁIEW  
• LabWindows™/DꢁI  
• Measurement Studio  
• LabꢁIEW SignalExpress  
• 5ꢀꢀ mA maximum switching current  
per channel  
• One 32-bit event counter  
• Full-speed USB (12 Mb/s) bus interface  
• Built-in, removable connectors for  
easy connectivity  
• USB cable strain relief  
Other Compatible Software  
• ꢁisual Studio ꢂNET  
• D, D++  
• ꢁisual Basic  
Measurement Services  
Software (included)  
• NI-VAQmx driver software  
• Measurement & Automation Explorer  
configuration utility  
• LabꢁIEW SignalExpress LE  
data-logging software  
Product  
NI USB-6525  
Digital Inputs  
Low Threshold High Threshold  
1 ꢁVD 3ꢂ2 ꢁVD  
Input Current  
3 mA/ch  
SSR Outputs  
Switching Current Max Signal Range  
5ꢀꢀ mA 6ꢀ ꢁVD  
Isolation  
Dh-to-Dh  
32-Bit Counters  
8
8
1
Table 1ꢂ NI USB-6525 Specifications Overview  
PFI ꢀ (an alias to P1ꢂ7) can also function as the source for a 32-bit  
Overview and Applications  
counterꢂ In this mode, the device counts low to high transitions on P1ꢂ7ꢂ  
You can arm and disarm the counter as well as read or reset the count  
through softwareꢂ  
The National Instruments USB-6525 is a full-speed USB device with  
eight normally open, channel-to-channel isolated, solid-state relay  
outputs and eight 6ꢀ ꢁVD channel-to-channel isolated digital inputsꢂ  
The NI USB-6525 offers features for industrial control and manufacturing  
test applications, such as factory automation, embedded machine  
control, and production line verificationꢂ The solid-state relay outputs  
have a 6ꢀ ꢁVD/3ꢀ ꢁrms switching voltage and 5ꢀꢀ mA/ch maximum  
switching current, making them ideal for controlling pumps, valves,  
motors, and other industrial actuatorsꢂ The eight isolated digital input  
channels break ground loops and offer protection from noise and spikes  
on external signalsꢂ You can also use one of the digital input channels as  
a 5 kHz, 32-bit event counter for counting digital pulsesꢂ  
You can connect loads to the solid-state relay outputs with an AD or  
VD power sourceꢂ The default power-on state of the solid-state relays is  
openꢂ The relays also remain open when the computer and the USB-6525  
device are powered offꢂ  
Module  
Terminal  
Signal  
PꢀꢂꢀA  
PꢀꢂꢀB  
Pꢀꢂ1A  
Pꢀꢂ1B  
Pꢀꢂ2A  
Pꢀꢂ2B  
Pꢀꢂ3A  
Pꢀꢂ3B  
Pꢀꢂ4A  
Pꢀꢂ4B  
Pꢀꢂ5A  
Pꢀꢂ5B  
Pꢀꢂ6A  
Pꢀꢂ6B  
Pꢀꢂ7A  
Pꢀꢂ7B  
Module  
Terminal  
17  
18  
19  
2ꢀ  
21  
22  
23  
24  
25  
26  
27  
28  
29  
3ꢀ  
31  
32  
Signal  
+
-
+
-
+
-
+
-
+
-
+
-
+
-
1
2
3
4
5
6
7
8
9
1ꢀ  
11  
12  
13  
14  
15  
16  
P1ꢂꢀ  
P1ꢂꢀ  
P1ꢂ1  
P1ꢂ1  
P1ꢂ2  
P1ꢂ2  
P1ꢂ3  
P1ꢂ3  
P1ꢂ4  
P1ꢂ4  
P1ꢂ5  
P1ꢂ5  
P1ꢂ6  
P1ꢂ6  
Hardware  
The USB-6525 has eight channel-to-channel optically isolated inputs,  
P1ꢂ<ꢀꢂꢂ7>, and eight channel-to-channel optically isolated, solid-state  
relay outputs, Pꢀꢂ<ꢀꢂꢂ7>ꢂ The isolated inputs consist of an optocoupler, a  
depletion-mode MOSFET-based current-limiting circuit, and a Schottky  
diodeꢂ Each channel has its own positive and negative terminals capable  
of detecting a wide range of VD signals, from 5 ꢁ TTL logic levels to VD  
power supply levels up to 6ꢀ ꢁꢂ  
+
P1ꢂ7 /PFI ꢀ  
-
P1ꢂ7 /PFI ꢀ  
+
-
Table 2ꢂ NI USB-6525 Pinout  
12345

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