Watchdog" Timer Setup - Performance Computer PT-VME151A User Manual

Performance Computer
All Jumper Blocks are designed to mate with standard 2 pin jumper shunts. Spare jumper shunts can be
stored by slipping one side of the jumper shunt on a single, unused pin of a jumper block and allowing
the other side of the jumper shunt to hang in space. As shown at left:

"Watchdog" Timer Setup

If the ACC "watchdog" timer function is desired remove jumper shunt at location K1. Once enabled the
"watchdog" timer will cause a local reset to occur, unless reset every two seconds by software. Jumper
Block K1 consists of a single pair of pins that is either open or shorted. See "Figure 1: PT-VME151A/
151AE Device Positions" on page 12.
!
CAUTION: Before enabling this function be sure that your installed software supports it. Unexpected
local resets could occur.
Extensible Single Board Computer/Controller User's Manual 13
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