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Classification | Project | Qualification |
Specifications | Working power supply | Voltage: AC176~253 V |
Frequency: 50Hz | ||
Work environment | Working temperature | -40℃~+70℃ |
Relative humidity | 10%~95% | |
Power dissipation | -------- | ≤5W |
Clock | Clock precision | <±1s/d |
Clock cell | CR2032 | |
Insulating property | Power frequency voltage | 2.5KV |
Impulse withstand voltage | 6KV | |
Electromagnetic compatibility | Electrostatic discharge | 8KV |
Fast transient pulse group | Signal loop: 2KV | |
Power loop: 4KV | ||
Surge | Differential mode: 2KV | |
Common Mode: 4KV | ||
Data transmission | Communication mode | Uplink: 485 wired |
Downlink: optional RS485 or M-BUS | ||
Hardware interface | Choice of RS485 or MBUS:1 path | |
Reliability | Mean free error time | MTBF≥10×10h |