Communication motherboard parameters
Measurement method |
Ultrasonic dual channel |
Abnormal remind |
Abnormal failure report, Voltage and current alarm |
Periodic reporting |
Periodic reporting data |
Historical data storage |
Store hourly/daily/monthly for godays |
Indicator lamp |
Communication lamp/rigger lamp |
Current and voltage |
Collect current and voltage values |
Call the police |
Buzzer |
Screen display |
LCD |
Uart |
Four wire |
Extemal storage |
256K |
AI SET |
Pin type 4 needles |
Environment temperature |
-40 TO 85 |
Support agreement |
Big-end mode HEX |
Communication |
20MA |
Display |
digital |
Communication mode |
LORAWAN |
NB-IOT |
Current |
WIFI |
RS485 |
M-BUS |
Extermnal Transport |
lorawan |
Wireless communication |
Wireless communication/GPRS/TCP/UDP |
Wireless communication/WIFI/TCP/UDP |
R5485-wire |
Wireless communication/M-BUS TCP/UDP |
Antenna |
Soft antenna |
Soft antenna |
Spring antenna |
Spring antenna |
/ |
Spring anternna |
Support agreement |
Big end mode HEX |
Big end mode HEX |
Big end mode HEX |
Big end mode HEX |
Modbus RTU |
Big end mode HEX |
Communication |
Low frequency High frequency |
NB-IOT |
GPRS |
2.4G |
RS485 |
M-BUS |
Pulse singna |
/ |
/ |
3-wire GNDS1 S2 |
3-wire GNDS1 S2 |
3-wire GNDS1 S2 |
3-wire GNDS1 S2 |
Screen display |
LCDbutton switching scree |
LCDbutton switching scree |
LCDbutton switching scree |
LCDbutton switching scree |
LCDbutton switching scree |
LCDbutton switching scree |
Communication distance |
2-3KM |
2-3KM |
2-3KM |
<10m |
/ |
/ |
Wire length lineorder |
/ |
/ |
/ |
/ |
Wire length:m Line order:4-wire Positive/negative A/B |
/ |
Power supply |
Main power + Standby power |
Main power + Standby power |
Main power + Standby power |
Main power + Standby power |
485 power + Standby power |
Main power + Standby power |
Advantage |
High cost effective/extemal magnet activation/multifunction/standard interface |
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Low power consumption 12-20UA(sleep current)/High cost effective/ultra-small shape/high reliability(40 to 85℃ test temp.)/rich peripherals |