Instruction/ maintenance manual of the product NI USB-6525 National Instruments
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USER GUIDE AND SPECIFICATIONS NI USB-6525 This user guide describes how to use the National Instruments USB-6525 data acquisi tion (D A Q) de vice. Introduction The NI USB-6525 is a full-speed USB 2.
USB-6525 User Guide an d Specifications 2 ni.com Figure 2. USB-6525 Back View Installing Software Software suppo rt for the USB-6525 for Wind ows 2000/XP is provided by NI-DAQmx. The NI-D A Q mx CD contains example programs th at you can use to get started programming with the USB-65 25.
© National Instruments Co rporation 3 USB-6525 User Guide and Specifications Refer to the Safety G uidelines section of this document for im portant safety information. Setting Up Hardware Complete the f ollowing st eps to set up the hardwa re: 1. Install combicon scr e w terminal blocks by inserting them into th e combicon jacks.
USB-6525 User Guide an d Specifications 4 ni.com I/O Connector The USB-6525 device ships with two d etachable terminal blocks for digital signals. Each indivi dual terminal accepts a wire gauge between 16 AWG–28 AWG. Table 1. Digital T erminal Assignments Module T erminal Signal Module T erminal Signal 1 P0.
© National Instruments Co rporation 5 USB-6525 User Guide and Specifications Signal Descriptions Table 2 describes the signals available on the I/O connectors. Digital I/O USB-6525 has eight channel-to-channel op tically isolated inputs, P1.<0..7>, and eight chann el-to-channel optically isolated solid-state relay outputs, P0.
USB-6525 User Guide an d Specifications 6 ni.com Applying a DC voltage of at least 3.2 V across two input terminals registers logic high. Applying no voltage or a voltage dif ference of 1 V or less registers logic lo w . DC voltages between 1 V and 3.
© National Instruments Co rporation 7 USB-6525 User Guide and Specifications Solid-State Relay (SSR) Outputs You can connect loads to the USB-6525. Connect the load to one of the leads of the power source. Connect either the P0. x A or the P0. x B terminal to the load and the other terminal to the other lead of the AC or DC power source.
USB-6525 User Guide an d Specifications 8 ni.com Figures 7 and 8 show examples of us ing an external flyback diode to protect DC inductiv e loads and an MO V to protect A C inducti ve loads, respecti vely . Figure 7. Contact Protection for DC Inductive Load s Figure 8.
© National Instruments Co rporation 9 USB-6525 User Guide and Specifications Using the USB-6525 as a TTL Output Device Figure 9 shows a sign al connection example for a TTL-level application with an external supply voltage of +5 V.
USB-6525 User Guide an d Specifications 10 ni.com Input current ........... .............. .............. ....3.0 mA/channel max Solid-State Relay Outputs Number of output channels ................. ....8, ch-ch isolated Relay type ...................
© National Instruments Corporation 11 USB- 6525 User Guide an d Specifications Power Requirements USB Input voltage ............ ........... ............ 4.5 to 5.25 VDC in configured state Active current ....... .............. ........... . 150 mA max Suspend current.
USB-6525 User Guide an d Specifications 12 ni.com Isolation Channel-to-channel ............. .............. ......60 VDC continuous Channel-to-earth ground ....... ...... ............60 VDC continuous Withstand . .......... .............. ........... .
© National Instruments Corporation 13 USB- 6525 User Guide an d Specifications CE Compliance This product meets the essential re quirements of applicable European Directives, as amended for CE markin.
USB-6525 User Guide an d Specifications 14 ni.com Operate the device only at or belo w Pollution Degree 2. Pollution is foreign matter in a solid, liquid, or gaseous state that can reduce dielectric strength or surface resisti vity .
© National Instruments Corporation 15 USB- 6525 User Guide an d Specifications • Measurement Category III is for measurements performed in the building installation at the distribution le vel. This cate gory refers to measurements on hard-wir ed equipment such as equipment in f ixed installations, distribution boards, and circuit breakers.
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An important point after buying a device National Instruments NI USB-6525 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought National Instruments NI USB-6525 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data National Instruments NI USB-6525 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, National Instruments NI USB-6525 you will learn all the available features of the product, as well as information on its operation. The information that you get National Instruments NI USB-6525 will certainly help you make a decision on the purchase.
If you already are a holder of National Instruments NI USB-6525, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime National Instruments NI USB-6525.
However, one of the most important roles played by the user manual is to help in solving problems with National Instruments NI USB-6525. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device National Instruments NI USB-6525 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
