ABB HESG324430R11B
ABB HESG324430R11B - Image 2

ABB HESG324430R11B

Product Brief:​ The HESG324430R11B (also seen as HESG324430R11/B) is a legacy ABB module from the REG216 / RET670 / REG-D/RET-D excitation and generator protection system family​ or the Advant Controller / Compact 200 spare module range. Most commonly it is a 24 V / 48 V / 110 V / 220 V DC digital input module (16 or 32 channels)​ used in excitation cubicles to monitor breaker positions, field-switch contacts, protection relay contacts, and E-Stop statuses — feeding them to the REG216 excitation controller or to a redundant controller pair. In some configurations it can also be a CPU/communication interface for compact controller racks.

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Category: SKU: ABB HESG324430R11B

Description

ABB HESG324430R11B

  • Technical Specifications (typical DI version):
    • Input Voltage Grades: 24 V DC / 48 V DC / 110 V DC / 220 V DC (check label — module is voltage-grade specific)
    • Channels: 16 (grouped 8+8) or 32 (2 groups × 16)
    • Input Type: Voltage-sensing (for wet contacts) or dry-contact (external wetting voltage provided)
    • Threshold (24 V ver): ON ≥11 V DC, OFF ≤5 V DC
    • Response Time: <10 ms (configurable filter 0–63 ms in some FW)
    • Isolation: Group-to-backplane 500 V DC; channel-to-channel common 0 V per group
    • Power: From backplane (5 V logic + sense voltage if self-wetting)
    • Indicators: Module Run / Error LED; per-group status LED on some versions
    • Operating Temp.: –20 °C to +70 °C
    • Mounting: Plug-in to REG216 / Advant S100 rack slot
  • Functional Features:
    • Debounce filtering per channel group
    • Reports contact state to REG216 controller for interlocking (e.g., “Field Breaker Closed” before excitation build-up)
    • Compatible with ABB excitation HES (Harmony Excitation System) and REG-D series
  • Application Scenarios:
    • Excitation cubicle — monitor field breaker auxiliary contact, de-excitation contactor, 86-lockout relay contact
    • Generator protection panel — status feedback to controller (trip coil healthy, DC supply OK)
    • Retrofit of legacy ABB REG103/REG216 cubicles
  • Material & Structure / Working Principle / Installation / Precautions:
    • Insert into designated slot of REG216 / S100 rack; ensure key matches voltage grade
    • Wire field contacts between input terminal and common (0 V or +V depending on sinking/sourcing)
    • For 110 V DC / 220 V DC versions: verify correct module label before wiring — applying 220 V to 24 V module destroys it
    • In REG216 configuration software verify channel mapping and filter time
    • Precaution:​ When used in safety-related excitation interlock (e.g., “Field Breaker Open” permissive), verify wiring and logic during commissioning — incorrect DI mapping can bypass protection interlock

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