The SDCS-REB-1 is an ABB interface card for distributing and isolating firing pulses to thyristor bridges in DCS drives, providing reliable, controlled operation and safe integration with external monitoring systems.
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Technical specifications for SDCS-REB-1
Manufacturer:
ABB
Part Number:
SDCS-REB-1
Product Family:
ABB Drives
Working voltage:
+ 24V external power supply
Number of triggered Bridges:
Up to 4 forward Bridges and 4 reverse Bridges
Isolation:
Optocoupler isolation to prevent grounding loops
Monitoring output:
1 isolated transistor output
Applicable systems:
DCS500B/DCS600 series drivers
Operating temperature:
-20 °C... +60 °C
Storage temperature:
-40 °C... +85 °C
Relative humidity:
5... 95%, no coagulation
Weight:
0.02 kg
Estimated shipping dimensions:
7x5x1.8cm
Tariff Code:
8537101190
Country of origin:
Sweden
Place of shipment:
Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
The SDCS-REB-1 interface card is designed to manage firing pulses for thyristors in ABB DCS drives, supporting configurations with 2 to 4 parallel-connected thyristors. When plugged into the SDCS-PIN-51 board, it routes firing commands to the SDCS-PIN-41 pulse transformer boards, ensuring that forward and reverse bridge pulses are accurately directed. This setup minimizes gate lead lengths and maintains efficient, reliable operation of the drive.
Electrically, the board requires an external +24V power supply and can handle up to four forward and four reverse bridge pulse transformer boards in conjunction with SDCS-REB-2. Firing pulse signals from X613 and X713, along with current direction signals SR1 and SR2, are amplified and distributed to eight output connectors, ensuring precise control. Optocoupler isolation prevents ground loops and maintains safe operation, while the isolated transistor output allows for monitoring supply voltage via a PLC.
The SDCS-REB-1 is compatible with SDCS-PIN-51 and SDCS-PIN-41 boards and requires secure installation using six M4 grounded mounting holes. Environmental tolerance follows standard ABB DCS operating conditions, ensuring reliable performance in industrial environments. External power supplies must be properly rated to maintain voltage stability and prevent firing pulse suppression.
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