B&B Electronics PC Watchdog Timer Card ATRWDT Manuel d'utilisateur télécharger pdf (Page 9)

P104-WDG-CSM User Manual

Additional Fused External Power

Pin 38 has a 0.3A (300mA) (at room temperature) resettable fuse connected to +5V. At +85C

this fuse trips at 0.15A (150mA), at 0 degrees C this fuse trips at 0.6A (600mA). The same is

true for the fuse connected to pin 40 (12VDC).

Special Options

Programmable array logic is available on this card and many possibilities exist for special

modifications to suit unique requirements. If your card includes any such modifications, an "S"

number (e.g. S08, S09, etc.) will be appended to the model number on the board label.

Status Register

Bit assignments of the Status Register are as follows:

BD0 Watchdog counter refresh reminder (active low)

BD1 Temperature good (active low)

BD2 Reset Isolated Input #2 status

BD3 Isolated Input #1 status

BD4 Fan good

BD5 Power Supply overvoltage (active low)

BD6 Power Supply undervoltage (active low)

BD7 IRQ generated (active high)

Ordering Guide / P1 Connector Configurations

P104-WDG-E Economy Basic Watchdog 4-pin right-angle 2x2 header (pins 9 – 12)

P104-WDG-CSM Standard Watchdog with

Computer Status Monitor

40-pin right-angle 2x20 header

P104-WDG-CSMA Standard Watchdog with

Advanced Computer Status

Monitor

40-pin right-angle 2x20 header

Model Options

Extended Temperature

Included with your board

Quick Start Guide

Master Software CD

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 25 26

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B&B Electronics PC Watchdog Timer Card ATRWDT Manuel d'utilisateur Page 9