PRELIMINARY - DIAGNOSTIC ONLY - ZERO SAFETY CREDIT - NOT APPROVED FOR PROCUREMENT, FABRICATION, ASSEMBLY, CONNECTION, POWERED TESTING, MOTION OR ENERGIZATION

A real watchdog board, with no route to motion.

The controls-only fixture can now observe heartbeat loss on a routed native board while its permit input remains physically grounded.

40 x 25

millimetre two-layer board

1.36-1.84 s

TI specified preset timeout range

4 / 8

fixture cable contacts populated

0

safety credit or authorized tests

Routed board

Four-conductor fixture cable

Fail-closed signal boundary

Engineering source

Native KiCad project · Native PCB · contact map · BOM · HIL plan · ERC · DRC · open holds