Circuit board control board 3BSE018877R2

¥36,490.00

External connections:
• Excitation current to the load cells
• 2 or 4 analog inputs for load cell signals
• 4 analog outputs, voltage or current
• 8 digital inputs for control signals
• 8 digital outputs
• +24 V supply for external units, max 0.5 A
• Ethernet connection
• Service and multiple control units
• 2 serial interfaces of type RS-232 for
external displays, control, etc.

Model:3BSE018877R2

Category: SKU: 3BSE018877R2 Tag:
Whatsapp：+86 15359293870
WeChat：+86 18106937731
                E-mail：geabbdcs@gmail.com
Contacts：kelly CHEN

Description

Circuit board control board 3BSE018877R2

Circuit board control board 3BSE018877R2

 

If a high resistive fault is considered, the voltage in the fault location will not be much reduced. Consequently, the value of the pre-fault “false” differential current will be a good estimation of the actual charging current.

Subtracting the pre-fault charging current from the differential current under fault conditions will make it possible to set Idmin mainly without considering the charging current in order to achieve maximum sensitivity. The stability at external faults will not be affected. 6.3.2.4 Time synchronization Time synchronization of sampled current values is a crucial matter in numerical line differential protections.

The synchronization is made with the so called echo method, which can be complemented with GPS synchronization. In applications with symmetrical communication delay, that is, send and receive times are equal, the echo method is sufficient. When used in networks with asymmetrical transmission times, the optional GPS synchronization is required.

6.3.2.5 Analog signal communication for line differential protection Line differential protection uses digital 64 kbit/s communication channels to exchange telegrams between the protection IEDs. These telegrams contain current

 

 

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2. The buyer should inform the seller of all returned items within 7 days after receiving the package. We reserve the right to reject any request to inform the seller for more than 7 days.
3. Returned products must have all original packaging and be in good condition.

 

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