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| CE-ND |
Home >> Current Transducer >> CE-ND |
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| Device for string box monitoring |
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| Overview |
| This device is consist of 2 current gathering boards and 1 controlling board. It mainly used to be mounted in the string box as its monitoring function part. The device can measure the current, voltage, power of the solar strings, with RS485,relay and analog outputs, switch input and local LED display. |
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Features
- 100-1000V PV powered, ease the connection of string box
- Per each channel current, power calculation and total voltage measurement for string box
- Short circuit of the solar panel alarmed by LED display and data transmission
- Analog inputs for temperature, sunlight radiation, wind speed sensors data acquisition
- Switch input for DC breaker or lightning device status monitoring
- Relay output for automatic control of DC breaker switch on and off
- Output 12V or 24Vdc power for the extra environment sensors(optional)
- Standard Mobus RTU protocol, the address, baud rate, data format could be modified in local or remote
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Part Number
CE-ND*2-39ML-1.0/U*I |
| Code option for the *: |
1. 8 channel/string monitor
2. 12 channel/string monitor
3. 16 channel/string monitor |
| Rated input range : |
U-0~1000V
I-0~5A~10A |
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| Specification: |
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| 1.Accuracy |
1.0 for solar array string monitor, 0.5 for analog inputs |
| 2 Baud rate |
19.2K, 9600(default), 4800, 2400, 1200 bps |
| 3.Communication |
RS-485 twisted pair line or Rs23 |
| 4.Communication distance |
1200m(RS-485) |
| 5.Data update period |
1S |
| 6.Working temperature; |
-25℃ - +60℃ |
| 7.Isolation: |
Power supply/gathered input/digital output/voltage input/switch input/relay output isolated from each other，2500V DC/1 min |
| 8.Auxiliary power supply |
+100~+1000Vdc or 220Vac |
| 9.Temperature drift |
<500Ppm/℃ |
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| Connection and mounting diagram |
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Mounting diagram for the bottom current gathering board of the string box |
Mounting diagram for the upper current gathering board of the string box |
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Mounting diagram for the controlling board of the string box |
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Description：The diameter of all the screw holes on the board is 4mm for screwed mounting in the string box.
The locates (the centre of the screw hole) shown in the shown in x,y coordinate system. |
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| Download: |
| User manul |
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