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This USB2.0-compliant digital I/O unit provides a digital signal I/O function on a PC. This unit offers 12 - 24VDC input and output digital signals. In fact, it features 16 optocoupler isolated input channels (compatible with current sink output) and 16 optocoupler isolated open-collector output channels (current sink type). You can use 32 input signals as interrupt inputs. The unit features a digital filter to prevent wrong recognition of input signals and an output transistor protection circuit (surge voltage protection and over current protection). The module is compatible with PIO-32/32L(PCI)H PCI bus-compatible board and DIO-3232L-PE PCI Express bus-compatible board in terms of connector shape and pin assignments.
32 optocoupler isolated input channels (compatible with current sink output) and 32 optocoupler isolated open-collector output channels (current sink type)
This unit has 32 optocoupler isolated input channels (compatible with current sink output) and 32 optocoupler isolated open-collector output channels (current sink type) whose response speed is 200µsec. It also supports 12 - 24 VDC I/O driver voltages (a 12-24VDC external circuit power supply is sold separately). Common terminal provided for 16 channels, and every common can support a different external power supply.
USB HUB function
This module offers a USB hub function. A maximum of 4 DIO-3232LX-USB can be used in 1 PC USB port. When you use 4 or more DIO-3232LX-USB, you need to connect a DIO-3232LX-USB to other PC USB port on the side. Also, you can connect any other CONTEC's USB device besides than DIO-3232LX-USB to the USB port of DIO-3232LX-USB.
You can use 32 input signals as interrupt request signals
You can use 32 input signals as interrupt request signals: you can disable or enable the interrupt in bit units and select the edge of the input signals at which to generate an interrupt. This module features a digital filter to prevent wrong recognition of input signals from carrying noise or chattering. All input terminals can be added a digital filter, and the setting can be performed by software.
Output circuits include zener diodes for surge voltage protection and poly-switches for overcurrent protection.
Zener diodes are connected to the output circuits to protect against surge voltages. Similarly, polyswitches are fitted to each group of 8 output channels for over-current protection. The output rating is maximum 35VDC, 100mA per channel.
Connectors are compatible with PCI/PCI Express bus-compatible board
The unit is compatible with PIO-32/32L(PCI)H and DIO-3232L-PE in terms of connector shape and pin assignments. As a result, it is easy to migrate from the existing system.
Windows compatible driver libraries are attached.
Using the API-USBP(WDM) attached driver library makes it possible to create Windows applications. In addition, a diagnostic program to check hardware operation is provided. Using VI-DAQ dedicated library allows you to create LabVIEW applications.
Specification
| Item | Specification | ||
| Input section | Number of input signal channels | 32 channels (all available for interrupts) (1 common in 16 channels) | |
| Input format | Optocoupler isolated input (Compatible with current sink output) (Negative logic *1) | ||
| Input resistance | 4.7kΩ | ||
| Input ON current | 2.0mA or more | ||
| Input OFF current | 0.16mA or less | ||
| Interrupt | 32 interrupt input signals are arranged into a single output of interrupt request signal. An interrupt is generated at the rising edge (HIGH-to-LOW transition) or falling edge (LOW-to-HIGH transition) (set by software). | ||
| Response time | 200μsec within *2 | ||
| Output section | Number of output signal channels | 32 channels (1 common) | |
| Output format | Optocoupler isolated open collector output (current sink type) (Negative logic*1) | ||
| Output rating | Output voltage | 35VDC (Max.) | |
| Output current | 100mA (per channel) (Max.) | ||
| Residual voltage with output ON | 0.5V or less (Output current≤50mA), 1.0V or less (Output current≤100mA) | ||
| Surge protector | Zener diode RD47FM(NEC) or equivalent | ||
| Response time | 200μsec within *2 | ||
| USB section | Bus specification | USB Specification 2.0/1.1 standard | |
| USB transfer rate | 12Mbps (Full-speed), 480Mbps (High-speed) *3 | ||
| Power supply | Bus power / Self-power *4 | ||
| Common section | Number of terminals used at the same time | 127 terminals (Max.) *5 | |
| Dielectric strength | 1000Vrms | ||
| External circuit power supply*6 | 12 - 24VDC(±10%) | ||
| Current consumption (Max.) | 5VDC 400mA | ||
| Operating conditions | 0 - 50ºC, 10 - 90%RH (No condensation) | ||
| Allowable distance of signal extension | Approx. 50m (depending on wiring environment) | ||
| Physical dimensions (mm) | 180(W) x 140(D) x 34(H) (No protrusions) | ||
| Weight | 300g (Not including the USB cable, attachment) | ||
| Connector | 96pin half-pitch connector [M(male)type] PCR-E96LMD+ [mfd. by HONDA TSUSHIN KOGYO CO., LTD.] or equivalence to it | ||
| Attached cable | USB cable 1.8m | ||
| Applicable wire | AWG28 - 16 | ||
| Notes: | *1 Data “0” and “1” correspond to the High and Low levels, respectively. *2 The Optocoupler's response time comes. *3 This depends on the PC environment used (OS and USB host controller). *4 Use 5VDC power supply for self-power when you use the USB hub function. *5 This depends on the PC environment used (OS and USB host controller). *6 External circuit power supply is required separately. |
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