REF620E F Input board components

¥56,983.00

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:REF620E F

Category: SKU: ABB REF620E F Tag:
Whatsapp：+86 15359293870
WeChat：+86 18106937731
                E-mail：geabbdcs@gmail.com
Contacts：kelly CHEN

Description

REF620E F Input board components

REF620E F Input board components

Four overcurrent stages are offered for overcurrent and short-circuit protection. The instantaneous stage (PHIPTOC1) can be blocked by energizing the binary input 1 (X120:1-2).

Two negative sequence overcurrent stages (NSPTOC1 and NSPTOC2) are offered for phase unbalance protection. The inrush detection block’s (INRPHAR1) output BLK2H enables either blocking the function or multiplying the active settings for any of the described protection function blocks.

All operate signals are connected to the Master Trip and to the alarm LEDs. LED 1 is used for overcurrent and LED 4 for negative-sequence overcurrent protection operate indication. LED 4 is also used for phase discontinuity protection operate indication. The upstream blocking from the start of the overcurrent second high stage (PHHPTOC2) is connected to the output SO1 (X110:14-16).

This output is used for sending a blocking signal to the relevant overcurrent protection stage of the IED at the infeeding bay.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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3. Returned products must have all original packaging and be in good condition.

 

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