Fuji Electric OPC-G11S Series Option Cards

Technical Dossier

Product Details And Specifications

Fuji Electric OPC-G11S Series: Comprehensive Module Range and Technical Overview

The Fuji Electric OPC-G11S series is the dedicated option card platform for the FRENIC-G11S and FRENIC-Lift inverter families, deployed globally in elevator and escalator drive systems. These option cards extend the base inverter's capabilities by adding encoder feedback (PG), fieldbus communication interfaces, and I/O expansion. The FRENIC-G11S platform holds a significant installed base in commercial and high-rise building elevator systems across Asia, Europe, and the Middle East. Long-term spare parts availability is a critical operational requirement for building maintenance contractors, elevator OEM service teams, and facilities management organizations operating legacy Fuji Electric drive infrastructure.

The Evolution of OPC-G11S Architecture

The OPC-G11S option card architecture was introduced alongside the FRENIC-G11S inverter series, engineered specifically for closed-loop elevator motion control applications. The platform uses a proprietary high-density backplane connector that interfaces directly with the inverter's main control board, enabling high-speed serial data exchange between the option card and the primary DSP at 2.5 Mbps. Early hardware revisions of the PG (pulse generator) cards supported single-ended encoder inputs with a maximum pulse count of 1024 PPR. Subsequent hardware revisions introduced differential line driver input support and extended pulse count compatibility up to 4096 PPR, improving noise immunity in elevator shaft environments subject to high electromagnetic interference from traction motors and door operator circuits. The SA530733-02 revision designation identifies the second-generation hardware build of the OPC-G11S-PGA card, incorporating revised component tolerances and updated gate driver circuitry. As the FRENIC-G11S series has entered its end-of-life phase, Fuji Electric has ceased volume production of most option card variants. Aftermarket sourcing, refurbished stock, and new-old-stock (NOS) units now constitute the primary supply channel for ongoing maintenance and emergency replacement operations.

OPC-G11S Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified option card range for the FRENIC-G11S and FRENIC-Lift inverter platforms, classified by function:

PG (Pulse Generator / Encoder Feedback) Cards

• SA530733-02 OPC-G11S-PGA: Second-generation incremental encoder feedback card; single-ended input; supports up to 1024 PPR; primary closed-loop speed control card for standard elevator drives.
• OPC-G11S-PGB: Differential encoder feedback card; line driver input; supports up to 4096 PPR; high-resolution position control for high-speed elevator applications.
• OPC-G11S-PGC: Dual-channel PG card; supports simultaneous motor encoder and load encoder inputs; used in tandem-drive and counterweight-monitoring elevator configurations.
• OPC-G11S-PGD: Resolver interface card; converts resolver feedback signals to digital position data; used in elevator drives with brushless resolver-type motors.

Communication Option Cards

• OPC-G11S-CCL: CC-Link fieldbus interface card; supports CC-Link Ver. 1.10; up to 10 Mbps; for integration with Mitsubishi MELSEC PLC networks.
• OPC-G11S-PDP: PROFIBUS-DP communication card; supports DP-V0 and DP-V1; for integration with Siemens S7 and ABB AC500 control systems.
• OPC-G11S-DEV: DeviceNet communication card; supports Group 2 Only Server protocol; for Allen-Bradley ControlLogix and CompactLogix PLC environments.
• OPC-G11S-CAO: CANopen communication card; DS301 and DS402 motion profile support; for elevator control systems using CANopen-based safety controllers.
• OPC-G11S-MOD: Modbus RTU/ASCII communication card; RS-485 interface; for BMS, SCADA, and remote monitoring system integration.
• OPC-G11S-LNK: LONWORKS network interface card; for building automation systems using the LON protocol in intelligent building infrastructure.
• OPC-G11S-EIP: EtherNet/IP communication card; 100 Mbps; for integration with Rockwell Automation Studio 5000 environments.

I/O Expansion Cards

• OPC-G11S-IO: General-purpose I/O expansion card; adds 8 digital inputs and 4 digital outputs to the base inverter terminal block.
• OPC-G11S-AIO: Analog I/O expansion card; adds 2 analog inputs (±10V / 4–20mA selectable) and 2 analog outputs; for external speed reference and process monitoring.
• OPC-G11S-DIO: Isolated digital I/O card; optocoupler-isolated inputs; designed for safety relay interface in elevator door control and landing zone circuits.

Safety & Monitoring Cards

• OPC-G11S-SY: Safety option card; implements STO (Safe Torque Off) per IEC 61800-5-2; required for EN81-20 and EN81-50 elevator compliance in European markets.
• OPC-G11S-MON: Monitoring and diagnostics card; real-time parameter logging and fault history export via RS-232; used for predictive maintenance programs.

Power Supply Option

• OPC-G11S-PS: Auxiliary 24VDC power supply card for the option card bus; required when three or more option cards are installed simultaneously to prevent bus undervoltage faults.

Sourcing Hard-to-Find & Obsolete OPC-G11S Parts

The FRENIC-G11S inverter series has been discontinued by Fuji Electric, and volume production of associated option cards — including the SA530733-02 OPC-G11S-PGA — has ceased. DriveKNMS maintains a dedicated inventory of tested, refurbished, and new-old-stock (NOS) OPC-G11S option cards to support lifecycle extension for elevator systems that cannot be economically upgraded to current inverter platforms such as the FRENIC-Ace or FRENIC-MEGA series. Our sourcing network covers original Fuji Electric authorized distributor overstock, decommissioned building equipment recovered from elevator modernization projects, and verified third-party refurbishers operating under ISO 9001 quality management systems. All units are cross-referenced against the original Fuji Electric part number database to prevent counterfeit substitution. For obsolete variants with no available stock, DriveKNMS provides cross-reference consultation to identify compatible replacement cards from current Fuji Electric product lines or functionally equivalent third-party alternatives, including firmware compatibility verification for the target inverter firmware revision.

Quality Control for the OPC-G11S Range

OPC-G11S option cards interface with the FRENIC-G11S inverter via a high-density backplane connector and communicate over a proprietary serial bus at 2.5 Mbps. The following test procedures are applied to all OPC-G11S units processed by DriveKNMS:

• Visual inspection of backplane connector pins for mechanical deformation, contact oxidation, and solder joint integrity under 10× magnification.
• Functional bus communication test using a FRENIC-G11S test rig to verify option card recognition, parameter read/write, and firmware version reporting.
• For PG cards (SA530733-02 OPC-G11S-PGA, OPC-G11S-PGB, OPC-G11S-PGC, OPC-G11S-PGD): encoder signal injection test at 1024 PPR and 4096 PPR to verify pulse counting accuracy, differential signal integrity, and A/B/Z channel phase alignment.
• For communication cards (OPC-G11S-CCL, OPC-G11S-PDP, OPC-G11S-DEV, OPC-G11S-CAO, OPC-G11S-MOD): protocol handshake test with a reference PLC or fieldbus master to confirm data exchange at rated baud rate and verify node address configuration.
• For I/O cards (OPC-G11S-IO, OPC-G11S-AIO, OPC-G11S-DIO): channel-by-channel signal verification using calibrated signal sources and measurement equipment.
• Thermal cycling test (0°C to 55°C, 3 cycles) to identify latent component failures common in aged PCBs stored in variable-humidity environments.
• Insulation resistance test (500VDC megger) on isolated I/O and safety card variants.

All units that pass the full test sequence are issued a DriveKNMS test certificate and are eligible for a 12-month replacement warranty.