REQ-N-04 — The unit shall provide a 2-pin external control input (dry contact / unpowered switch) that, when the override DIP is enabled, replaces the button for run/standby control. The input shall be immune to external signals up to 1 m of unshielded wire without false triggering.
approved · Physical
Statement
The unit shall provide a 2-pin external control input (dry contact / unpowered switch) that, when the override DIP is enabled, replaces the button for run/standby control. The input shall be immune to external signals up to 1 m of unshielded wire without false triggering.
Acceptance Criteria
Connect 1 m unshielded two-wire cable to external control terminals. With OVR=1: short cable — unit enters run; open cable — unit enters standby. No false triggering during 5 open/close cycles.
Linked Test Cases
| Code | Title | Status |
|---|---|---|
TC-N-04 |
External control — 1 m unshielded cable, 5 open/close cycles | pass |
Sign-offs
No sign-offs recorded. Approving a requirement records one here.