▶ Energy monitoring system
Energy monitoring system measures the active power and accumulated electric power.
▶ System Features
• Zigbee/Ethernet communication
• Application of MQTT protocol BROKER and GATEWAY
• Application of ZIgbee protocol between gateway and Metering Device
■ Energy monitoring system Block diagram
▶ Mettering Gate way
| 구분 |
세부 규격 |
| External interface |
Ethernet (10/100 Mbps) |
RJ 45 Port |
| Power |
AC 110 ~ 220V |
| Wireless communications(Zigbee) |
Radio frequency |
2.4~2.4835GHz |
| permission channel |
16CH |
| Antenna |
External |
| TX power |
~ +8 dBm |
| Receiver sensitivity |
Max -93 dBm |
| Device function |
Maximum control |
00 |
| Acceptance protocol |
MQTT(Ethernet) |
|
| Zigbee |
|
| External condition |
Operation temperature / humidity |
0 ~ +50 ℃ / 0 ~ 90 % |
| main board |
CPU |
Cortex-A53 Quad Core |
| Power |
DC +5 V, 1A(within) |
| Size |
100 Ⅹ 60 Ⅹ 1.6 mm |
▶ Metering Device
| 구분 |
세부 규격 |
| External interface |
Debug Port |
RS-232 1port |
| power |
AC 85 ~ 264V |
| Wireless communications(Zigbee) |
Radio frequency |
2.4~2.4835GHz |
| permission channel |
16CH |
| Antenna |
External |
| TX power |
~ +8 dBm |
| Receiver sensitivity |
Max -93 dBm |
| Device function |
Measurement Channel |
6 |
| Input Condition |
Voltage |
A single - phase AC220V |
| Accuracy |
Error rate |
±0.1% |
| Measuring range |
0A ~ 7.34A |
| Measurement cycle |
1sec |
| Sampling speed |
8kS/s |
| transfer and save cycles |
1min |
| Size |
Size |
180 x 155 x 44 |
|
