50V - 1000V DC String Monitoring Box RS232 20A For Solar PV Combiner Box

Model

SCBM16A

Application

Intelligent PV combiner box

DC voltage

1 channel  50V~1000VDC 

DC current

1~16 channel forward and reverse DC0~20A PV combiner detection

DC power

1~16 channel forward and reverse power,total power

DC energy

1~16channel forward and reverse energy,total energy

Communication

1channel RS485 communication port, MODBUS-RTU  communication protocol, can be connected to the PC monitoring system.

1channel RS232 communication port, MODBUS-RTU  communication protocol, can be connected to the display terminal.

Temperature measurement

1 Internal environment temperature. -55~+125℃,±2℃.(-10~+85℃,±0.5℃)

Display

6 digital tube display. The display will be off if any operating is not existed within the 30 minutes. The display will be on with  operating the key.

Digital input

2 passive dry contact input.

Maximum

Historical maximum of U, I1~I16 .The value can be cleared by remote host computer.

Running time

0~99999999.9H.The recording mode can be set to Power-on, voltage or current. The value can be cleared by remote host computer.

Parameters

setting

The following parameters can be set by remote host computer.

The following parameters can be set by the key setting.

Alarm

Red Led will be on when alarm

Size

358mm*83mm*49mm(L*W*H)

Model

SCBM16A

Auxiliary power

DC24V(18V-36V)

Power consumption

<5W

Communication

RS485,RS232  Modbus RTU protocol

Communication speed

1.2kbps,2.4kbps,4.8kbps,9.6kbps,19.2kbps,38.4kbps,57.4kbps

Communication parity

It can be set by remote host computer.(0:none 1:odd 2:even)

Communication medium

1.0 square shielded twisted pair, 1200 meters communication distance, the maximum number of nodes is 128.

Digital input

passive dry node

Input voltage

1 channel

Voltage measuring range

50V~1000VDC