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     PowerSA-SUNm16-L intelligent confluence box is used monitoring unit PV solar power system of monitoring design, in an exquisite within the cabinet as many as 16 road integrated measurement modules. This equipment is installed in the dc power supply distribution box or bus ark inside, make wiring save convenient, layout and beautiful, environmental protection and energy saving.
The function and characteristics of the:
1. PV panels string of current measurements
2. PV panels string of fault alarm and positioning
3. The fuse box insurance confluence alarms and positioning
4. PV panels array voltage measurement (optional)
5. PV panels temperature measurement (optional)
6. Lightning protection device state monitoring (optional)
7. The output circuit breaker state monitoring (optional)
8. Modbus statute communication
9. PC special tools software
10. Digital pipe display and button (optional)
Current measurement precision calibration
Voltage measurement precision calibration
PV panels temperature precision calibration
The communication address (equipment identifiers) setting
Communication rate set

Technical parameters:
input
PV batteries string of input 11 ~ 16 road, 0 ~ 20 Adc, the accuracy of 0.5%
Analog input and no. 1, 4 ~ 20 mA / 0 ~ 5 V, the accuracy of 0.5%
State quantity input 2 "DI quantity, passive, 2500 V photoelectric isolation
Provide outside power supply source 5 Vdc
interface
The communication interface 1 * RS485, 2500 V photoelectric isolation
matching
Communication mouth the lightning 4 KV (10/700 us) (GB9043-1999), lightning protection
Work environment
Work power external power supply: 85 ~ 264 Vac 120 ~ 370 Vdc
Since the power supply: directly from confluence box take DC voltage switching power supply through into 24 V DC will.
Power consumption than 10 W
Work ° C temperature-40 ~ + 75 ° C (31 ° F ~ + 158 ° F)
Temperature-40 ° C store ~ + 85 ° C (40 ° F ~ + 185 ° F)
Relative humidity 5 ~ 95% no condensation
The electromagnetic compatibility (EMC)
Electrostatic discharge GB/T 17626-4-2 3 grade
Fast transient GB/T 17626-4-4 3 level (with lightning protection device to communication mouth)
Impact of GB/T current 17626-4-5 3 level (with lightning protection device to communication mouth)
Industrial frequency magnetic field GB/T 17626-4-8 level 4
Shape dimension
Long * * * * * * * * * 360.5 mm wide high 88.2 mm * 41 mm
Installation stick hanging back
Threading size can be easily through 10 square light FuXian, well meet the requirements