Typology
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Intrinsically safe card reader for mining
The card reader has the function of receiving wireless coding signals、The card reader has the function of two-way communication with the identification card、The card reader has the function of communicating with the data communication interface or transmission equipment、The card reader has the function of power indication and upper communication signal indication、The card reader has the function of sound and light prompt for card reading、The card reader has the function of time marking
Keywords:
Precise positioning system for personnel in underground coal mines
Details
[Main technical parameters]
1. Explosion-proof type: Intrinsically safe type for mining "Ex ib I Mb"
2. Rated working voltage: DC18V
3. Working current: ≤200mA
4. Maximum displacement speed: 5m/s
5. Number of concurrent identifications: 200 identification cards
6. Positioning accuracy: static positioning accuracy 0.3m dynamic positioning accuracy 7.3m
7. The maximum power supply distance between the card reader and the power supply is not less than 2km
8. Function
(a) The card reader has the function of receiving wireless coding signals
(b) The card reader has the function of two-way communication with the identification card
(c) The card reader has the function of communicating with the data communication interface or transmission equipment
(d) The card reader has the function of power indication and upper communication signal indication
(e) The card reader has the function of sound and light prompt for card reading
(f) The card reader has the function of time marking
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