Summary of Contents for OPEN DEVELOPMENT USB PBD10
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Page 1: User Manual
OPEN DEVELOPMENT USB WATCHDOG PRO2 Auto Reboot Device User manual www.open-dev.ru main@open-dev.ru Open Development llc. ... -
Page 2: Product Description
Simple protocol allows implement own version of control software. • Configurable time of waiting the PC signal from 1 to 15 minutes. • Small size 57х14х10mm(USB TypeA) / 48х14х10mm(USB PBD10). • Operates in temperature range -40/+85C. • Doesn’t need additional power supply. - Page 3 OPEN DEVELOPMENT The device has two modifications: USB TypeA, USB PBD10. Both devices have a USB interface, but different way to connection: PBD10 for connecting USB pins on a motherboard PBD10 socket or a USB TypeA to connect to a standard USB input.
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Page 4: Operation
OPEN DEVELOPMENT Operation The USB WatchDog device expects a periodic signal from the PC via USB. If no signal is received for a preset time t1, the USB WatchDog sends a signal of duration t2 to the Reset contacts. Further, if the signal does not appear after the time t1 has elapsed, a signal will be applied to the Power contacts of duration t3, waiting for duration of t4 and starting with a signal of duration t5. - Page 5 OPEN DEVELOPMENT • Connection a device with PBD10-R plug • During installation the device to the mainboard, make sure that you exactly connect to the internal USB header. Some interfaces (for instance ieee 1394) have the same 10-pins connector on the motherboard.
- Page 6 OPEN DEVELOPMENT Configure Before using the device, you may need to install device drivers [3]. In the operating system, the device will be defined as a "virtual COM port". A. Windows, the device will be defined as a COM port (for example, COM12).
- Page 7 OPEN DEVELOPMENT • When you first start the program, you must click the Scan button and select the COM port of the device in the drop-down list. If there are no ports in the list or there is only COM1, run the program from administrator.
- Page 8 OPEN DEVELOPMENT Testing the operability To make sure that the device is properly connected to the motherboard, you can force the PC to reboot with the commands ~ T1 and ~ T2 to test the RESET and POWER signals respectively.
- Page 9 OPEN DEVELOPMENT Checking the network node using the program. “Network Monitoring” Mode. In the network monitoring mode, the program updates the device timer only when receiving a positive signal from ping. This mode is used to reboot when the network connection is lost.
- Page 10 OPEN DEVELOPMENT 1. Working with a temperature sensor. An external DS18B20 temperature sensor can be connected to the I / In USB WatchDog Pro2 input. For this, the combined inputs GND and VDD of the sensor DS18B20 are connected to the "-" input, and to the "+"...
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Page 11: Advanced Device Management
OPEN DEVELOPMENT It should be remembered that the input is connected directly to the processor. Feeding signals with voltage higher than 3.6V and below -0.6V to this input will result in damage to the processor.. Restriction of the number of attempts to restart the system with a watchdog timer By default, the watchdog tries to reboot the PC for an unlimited number of times in a row. - Page 12 OPEN DEVELOPMENT Command Value ~Wxxxxxxxxxxx Write parameters. See Table 3. Reading parameters. See Table 3. Table2. The response of the device to the command. Command Response ~Gxxxx (See Table2). Firmware info ~Wxxxxxxxxxxx Response with the F command ("Reading parameters"). Reading parameters (See Table3).
- Page 13 OPEN DEVELOPMENT Parameter Units Description Channel 2 mode: 0 - off, 1 - RESET, 2 - POWER, 3 - controlled (start state - open), 4 - controlled (start state - closed). Set reload limit. 0 - no limit. Channel 3 (I / In) mode: 0 - off, 1 - quantized input, 3 - temperature sensor input ds18b20.
- Page 14 • Node availability check script: This script checks the availability of the host specified by the hostname parameter. @echo off SET hostname=open-dev.ru SET portname=COM12 :loop ping -n 1 -l 4 -w 1000 %hostname% >nul if %errorlevel%==0 set /p x="~U" <nul >\\.\%portname% ping -n 2 127.0.0.1 >...
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Page 15: Technical Characteristics
Supply voltage USB, V 5 ± 10% Maximum current consumption for all active channels, mA Output Type Transistor optocoupler Maximum output voltage, V Dimensions USB TypeA / USB PBD10, mm 57х14х10/48х14х10 Operating temperature range, С -25…+70 Page ! from ! -
Page 16: Warranty
OPEN DEVELOPMENT Warranty The warranty period is 12 months from the date of production or 6 months from the sale to the end user. Malfunctions revealed during the warranty period, caused by the fault of the manufacturer, are repaired at the manufacturer's expense.
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