Manuale d’uso / di manutenzione del prodotto USB-6525 data aquisition (DAQ) device del fabbricante 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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Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il National Instruments USB-6525 data aquisition (DAQ) device è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del National Instruments USB-6525 data aquisition (DAQ) device - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso National Instruments USB-6525 data aquisition (DAQ) device imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul National Instruments USB-6525 data aquisition (DAQ) device ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il National Instruments USB-6525 data aquisition (DAQ) device, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del National Instruments USB-6525 data aquisition (DAQ) device.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il National Instruments USB-6525 data aquisition (DAQ) device. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo National Instruments USB-6525 data aquisition (DAQ) device insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
