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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 | -------- | ≤3W |
Clock | Clock precision | <±1s/d |
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: micropower wireless |
Down: RS485 | ||
Hardware interface | Maintain RS485:1 road; | |
Infrared Communication Interface (optional): 1 Channel | ||
Reliability | Mean free error time | MTBF≥7.6×104h |