Product Overview
The ABB GCC960C103 is a legacy MPRC-series printed wiring assembly (PWA) with a direct fiber-optic interface.It is used inside ABB legacy process control hardware—commonly referenced with QSC / HKQCS systems—as a direct optical link board for noise-immune communication between rack-level electronics and connected measurement or I/O nodes. Rather than a general-purpose PLC I/O module, it is a system-specific spare board whose value is keeping an installed ABB control cabinet running without rewiring or logic changes.
Key Specifications
- Brand: ABB
- Part Number:GCC960C103
- ABB Long Description: PWA, MPRC, W/DIRECT FBR OPT
- Product Type: Printed Wiring Assembly (PWA) / Direct fiber-optic board
- Legacy System Family: ABB QSC / HKQCS parts online
- Interface: Onboard direct fiber-optic interface
- Communication: ABB proprietary optical link for MPRC/system bus context
- Power: Via host rack / backplane (system-dependent)
- Mounting: ABB MPRC-compatible rack or chassis slot
- Physical (catalog): approx. 420 × 160 × 30 mm, ~0.4 kg gross
Typical Applications
- ABB QSC / HKQCS legacy control-system maintenance
- Power generation and heavy-process DCS cabinets using MPRC fiber boards
- Paper, metals, and continuous-process lines with high-EMI environments
- Remote optical communication between controller rack and field nodes
Ordering & Replacement Notes
- Match the exact label: Confirm GCC960C103, MPRC marking, and board revision from the failed unit’s photo.
- Confirm system context: Verify the host is QSC/HKQCS or the specific MPRC rack in your drawings—do not assume AC800M/S800 compatibility.
- Inspect interfaces: Note fiber port type, header connectors, LEDs, and any daughter-card or memory submodule before swap.
- Memory/submodule check: If the original board carries a removable memory or config submodule, transfer procedure must follow site practice—do not assume the new board is fully configured.
- Installation: Clean fiber ends, avoid sharp bends, seat in correct slot, then verify link LEDs and system diagnostics before load.
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