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3.2.2 I/O Connector Signal Description
Table 3.1: I/O Connector Signal Descriptions
Signal
Reference Direction Description
IDI<0~15> GND
Input
Isolated digital input channels
INT<0,1>
INT_G
Input
Interrupt trigger sources.
INT<0,1>_
G
-
-
Ground for interrupt pins.
CNT<0,1> GND
Input
Isolated
input
counters
IDO<0~15> GND
Output
Isolated digital output channels
COM<0,1>
-
-
Common pins for connecting induc-
tive loads of isolated output channels
GND -
- Ground
3.2.3 LED Indicator Status Description
The USB Module is equipped with a LED indicator to show the current
status of the device. When you plug the USB device into the USB port,
the LED indicator will blink five times and then stay lit to indicate that it
is on. Please refer to the following table for detailed LED indicator status
information.
Table 3.2: LED Indicator Status Description
LED Status
Description
On
Device ready for work
Off
Device not ready to work
Slow Blinking (5 times)
Device initialization
Fast Blinking
(Depends on data transfer speed).
Device working
13 Chapter
3
Содержание USB-4750
Страница 3: ...USB 4750 32 Channel Isolated Digital I O USB Data Acquisition Module User Manual...
Страница 5: ...USB 4750 User Manual vi...
Страница 6: ...1 2 Introduction Sections include Hardware Features Software Overview...
Страница 9: ...USB 4750 User Manual 4...
Страница 10: ...2 2 Installation Sections include Unpacking Driver Installation Hardware Installation Hardware Uninstallation...
Страница 16: ...3 2 Signal Connections Sections include Overview Isolated Digital I O Connections Field Wiring Considerations...
Страница 22: ...A 2 Specifications...