Node controller summary of all information in this area parking area, and summary information about the coding spread centralized controller, we recommend that each node controller maximum connection control 25 zone controllers. Node controller for connecting the regional controller and the centralized controller, can bus communication using a unique mechanism to ensure the reliability of long-distance communication data. Model wbp-k02n physical parameters Size 280 × 260 × 100mm Weight 4kg housing material cold steel paint application environment Operating temperature -20 ~ + 65 ℃ Storage Temperature -25 ~ + 85 ℃ Humidity ≤90% rh (non-condensing) Performance Parameters Communication with the host controller can1 can1 communication rate 20kbps @ distance <1000m (UTP 0.75) and the Regional Controller Communications can2 can2 communication rate 20kbps @ distance <1000m (UTP 0.75) can2 node number of devices ≤25 Operating voltage 10 ~ 24v DC (recommendation 24v) current is less than 100ma / dc-24v Power <5w eft / b test reference standard: iec 61000-4-4 surge test reference standard: iec 61000-4-5 esd test reference standard: iec 61000- 4-2 Features and Benefits 1. The node controller uses advanced imported 32 arm processor, all industrial-grade design to ensure stable and reliable products, the entire system controllers are able to remotely upgrade on time to meet user needs; 2. Using can bus industrial grade communication design, signal communication is stable, reliable transmission distance up to 1.2 km; 3. overall use of industrial design, rigorous static electricity, lightning and surge, pulse and other test groups, effectively ensure reliable equipment use; 4. device has a short circuit, reverse polarity, wrong connection protection designed to prevent errors due to the construction of a short circuit in the wiring, reverse polarity, wrong connection, etc. cause electrical damage to associated equipment; 5. supply with industrial design, with a short circuit, overload overvoltage protection; 6. Communication bus with advanced anti-collision, fault tolerance, troubleshooting algorithm mechanism, has guaranteed a stable and reliable communications; 7. Node Controller superior centralized controller device is connected, the device connected to the lower area of ??the controller; 8. for regional control packet management, optimize network traffic management, complete between centralized controller and area controller protocol conversion, data packet processing.