Addressable input block BVA-4.
BVA-4 controls the output circuits of various devices (detectors, control panels, etc.) with the "dry contact" type and transfers their status to a control panel via an addressable loop in accordance with the "Rielta-Contact-ADR" protocol.
Contents of the kit:
- Addressable input block BVA-4 - 1 piece.
- Resistor 3.9 kOhm ±5% 0.25 W - 8 pcs.
- Operational documentation