Input | |
PV battery string input | ≤ 16 channels 0-20 Adc accuracy 0.5% |
Analog input | 3-way 4-20mA/0-5V accuracy 0.5% |
State input | 2-way DI quantity passive 2500V photoelectric isolation |
Interface | |
Communication interface | 1 * RS4852500V photoelectric isolation |
Optional | |
Communication port lightning protection | 4KV (10/700us) (GB9043-1999) lightning protection |
Digital tube display | Accurate to 0.01 error ≤ 5 ‰ |
Work environment | |
Working power supply | 85 ～ 264Vac |
18 ～ 36Vdc | |
Power dissipation | ≤ 8W |
Working temperature | -35° C ～ +75° C (-31° F ～ +158° F) |
Storage temperature | -40° C ～ +85° C (-40° F ～ +185° F) |
Relative humidity | 5-95% non condensing |
Electromagnetic compatibility (EMC) | |
Electrostatic discharge | GB/T 17626-4-2 Level 3 |
Fast transient | GB/T 17626-4-4 Level 3 (requires communication port lightning arrester) |
Impulse current | GB/T 17626-4-5 Level 3 (requires communication port lightning arrester) |
Power frequency magnetic field | GB/T 17626-4-8 Grade 4 |
Equipment technical parameters
Product model | YHV-CD16 |
Maximum number of access paths | 16 routes |
Ambient temperature | -25~+40℃ |
Environmental humidity | 0~90% |
Working altitude | 3000 meter level |
Maximum input current per circuit | DC15A |
Maximum open circuit voltage per circuit | DC1000V |
Fuses | Each positive and negative pole is connected to a DC1000V photovoltaic dedicated fuse |
Lightning arrester | The positive and negative poles of the busbar are respectively connected to photovoltaic special lightning arresters |
Circuit breaker | The positive and negative poles of the busbar are respectively connected to photovoltaic dedicated circuit breakers with a rated current of 160A and a voltage of DC1000V |
Design of combiner box | Enclosed design of the box anti-static shockproof dustproof rust proof rain proof flame retardant |
Heat dissipation of combiner box | Natural heat dissipation of the box |
Lightning protection of combiner box | Grounding and lightning protection of busbar box |
Insulation | Input to ground output to ground and input to output insulation resistance ≥ 20M Ω |
System response time | 1 second |
Working power supply | Using an internal combiner DC power supply |
Testing accuracy | Photovoltaic cell measurement accuracy level 0.5 external analog quantity level 0.2 |
RS485 communication | RS485+magnetic isolation/Modbus RTU protocol 4800/9600/19200/38400bps |
Shell waterproof grade | IP65 for indoor and outdoor installation and use |
