Description

ABB 3BUS208797-001 (SSCB Standard Signal Conditioning Board)
3BUS208797-001 is an ABB’s Standard Signal Condition Board (SSCB), used for isolating, converting and conditioning analog signals in industrial control. It is commonly found in ABB DCS/PLC systems and is installed in a card-type manner.

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Basic Information
Brand: ABB
Model: 3BUS208797-001 (with suffix -B-03)
Type: Standard Signal Conditioning Board (SSCB)
Function: Analog signal isolation, amplification, conversion, filtering
Application: ABB Industrial Automation / Process Control System
Weight: Approximately 0.38 kg
Dimensions: 145 × 247 × 56 mm
Key Specifications (Signal Conditioning)
Input: 4–20 mA, 0–10 V, -20–+20 mA
Input Impedance: 250 Ω (Current)
Output: 4–20 mA (Active / Passive), 0–10 V
Accuracy: ±0.1% of range
Resolution: 16 bit (0.0015% of range)
Common Mode Suppression: >100 dB @ 50/60 Hz
Update Rate: 10 ms / Channel
Isolation: Three-terminal isolation (Input / Output / Power Supply), Anti-interference
Communication and Electrical
Interface: RS-485, DeviceNet
Power Supply: 24 V DC
Power Consumption: Approximately 2.5 W
Operating Temperature: -25 °C ~ +60 °C Market conditions
Original condition: In production / Common spare parts
Condition: New, refurbished, and disassembled models are all available
Usage: Front-end isolation for DCS/PLC analog signals, safe transmission of signals in explosion-proof areas, standardization of instrument signals

Model Key Points
3BUS208797-001: Standard version SSCB
3BUS208797-001-B-03: Same board, firmware / batch identification
Replacement: No direct replacement. Use other SSCB models of the same series for expansion.