AGEIDA 211QS Series Modules: 211QS10598C

Technical Dossier

Product Details And Specifications

AGEIDA 211QS Series: Comprehensive Module Range and Technical Overview

The AGEIDA 211QS Series is a mature, field-proven line of distributed control system (DCS) and programmable logic controller (PLC) modules with documented deployment across global heavy industry — including petrochemical refineries, nuclear power generation facilities, offshore oil and gas platforms, and large-scale chemical processing plants. The 211QS platform is characterized by deterministic scan-cycle performance, a robust proprietary backplane communication architecture, and backward compatibility with legacy AGEIDA rack chassis systems. Installed base counts in the tens of thousands of units across North America, Europe, and Asia-Pacific. For plant maintenance engineers and reliability teams, long-term spare parts availability for this series is a tier-1 operational concern.

The Evolution of 211QS Architecture

The 211QS Series was introduced as part of AGEIDA's second-generation modular control platform, succeeding earlier fixed-function controller designs that offered no field-replaceable I/O. Early hardware revisions (Rev A and Rev B) utilized a parallel backplane bus with a proprietary token-passing arbitration protocol, limiting each rack chassis to a maximum of eight module slots. Throughput constraints at this revision level made the platform unsuitable for high-channel-count applications without multi-rack expansion.

Mid-generation revisions (Rev C and Rev D) replaced the parallel bus with a serialized high-speed backplane, increasing aggregate throughput and supporting up to 16 modules per rack. Rev D introduced redundancy handshaking for both CPU and power supply modules, enabling hot-standby failover configurations with bumpless transfer and no process interruption. Firmware versions 3.x and above added online module replacement (OMR) capability for I/O modules without rack power-down.

Cross-revision compatibility is constrained: Rev A/B I/O modules are not electrically compatible with Rev D backplanes without a dedicated interposer adapter (part number 211QS-ADAPT-RD). Engineers managing mixed-revision installations must verify the backplane revision code stamped on the chassis rail before substituting modules. The 211QS Series has entered end-of-active-production status. AGEIDA no longer manufactures new units. DriveKNMS maintains verified inventory of tested surplus and factory-refurbished modules to support lifecycle extension and long-term maintenance agreement (LTMA) programs.

211QS Full Catalog & Functionalities (SKU List)

The following SKUs represent the documented 211QS Series module range, classified by functional category. All models listed are confirmed members of the 211QS platform. No cross-series substitutions are included.

CPU / Controller Modules

• 211QS10100A: Main processor module, 32-bit RISC core, 256KB program memory, single-rack master
• 211QS10101B: Redundant CPU module, hot-standby switchover under 50ms, bumpless transfer
• 211QS10102C: Enhanced CPU, expanded I/O address map, 512KB program memory, OMR-capable

Analog Input (AI) Modules

• 211QS10200A: 8-channel AI, 4–20mA, 12-bit resolution, HART-passive signal monitoring
• 211QS10201B: 16-channel AI, 0–10V / 4–20mA field-selectable, channel-to-channel isolated
• 211QS10202C: 8-channel AI, HART active communication, per-channel field device diagnostics
• 211QS10203D: Thermocouple input module, 8-channel, supports J/K/T/E/R/S/B sensor types
• 211QS10204E: RTD input module, 8-channel, PT100/PT1000, 3-wire and 4-wire configurations

Analog Output (AO) Modules

• 211QS10300A: 4-channel AO, 4–20mA, 12-bit resolution, loop-powered field devices
• 211QS10301B: 8-channel AO, 0–10V / 4–20mA selectable, isolated outputs, open-wire detection

Digital Input (DI) Modules

• 211QS10400A: 32-channel DI, 24VDC, sink/source configurable, group-isolated commons
• 211QS10401B: 16-channel DI, 120VAC input, optically isolated, zero-crossing detection
• 211QS10402C: 32-channel DI, 48VDC, high-density format, group-isolated per 8 channels

Digital Output (DO) Modules

• 211QS10500A: 16-channel DO, 24VDC sourcing, 0.5A per channel, electronic short-circuit protection
• 211QS10501B: 8-channel relay DO, SPDT contacts, 2A / 250VAC rated, mechanical life 10M ops
• 211QS10502C: 16-channel DO, 120VAC triac output, zero-crossing switching, optically isolated

Communication / Adapter Modules

• 211QS10598C: Communication adapter module, multi-protocol gateway, RS-232 / RS-485 / Modbus RTU — the primary SKU for this listing
• 211QS10599D: Ethernet communication module, dual-port, Modbus TCP and EtherNet/IP simultaneous operation

Power Supply Modules

• 211QS10700A: 24VDC rack power supply, 10A continuous output, wide-range AC input 85–264VAC
• 211QS10701B: Redundant power supply module, N+1 hot-swap configuration, automatic load sharing

Sourcing Hard-to-Find & Obsolete 211QS Parts

With the 211QS Series in end-of-active-production status, procurement teams face extended lead times, allocation constraints, and elevated counterfeit risk when sourcing through general distribution channels. DriveKNMS operates a dedicated lifecycle support program for the 211QS platform, maintaining physical stock of both high-velocity and low-volume SKUs sourced from decommissioned plant equipment, authorized surplus channels, and factory-refurbished units returned through controlled trade-in programs.

All units received are serialized upon intake, cross-referenced against documented counterfeit indicators specific to the 211QS form factor and PCB revision markings, and stored in ESD-controlled, climate-regulated warehouse environments. DriveKNMS fulfills single-unit emergency orders for unplanned outages as well as bulk procurement contracts structured around planned maintenance shutdowns and turnaround events. Customers operating under long-term service agreements (LTSA) are encouraged to contact the DriveKNMS procurement team to establish a dedicated consignment stock arrangement with guaranteed availability windows.

Quality Control for the 211QS Range

The 211QS Series employs a proprietary backplane bus protocol that requires functional validation beyond standard power-on continuity testing. DriveKNMS applies a documented multi-stage test protocol to all 211QS modules prior to shipment:

• Visual inspection: PCB trace integrity, electrolytic capacitor condition, connector pin alignment, conformal coating assessment, and revision marking verification
• Powered bench test: Module inserted into a live 211QS rack chassis; backplane communication handshake verified via diagnostic terminal at the correct firmware revision level
• Functional I/O test: All channels exercised against calibrated signal sources; AI modules verified for linearity and offset error within OEM published specification limits
• Communication module test (211QS10598C, 211QS10599D): Protocol stack validation across all supported interfaces; loopback and cross-device communication confirmed at rated baud rates
• Burn-in cycle: 48-hour thermal soak at 50°C ambient to screen latent component failures prior to release
• Calibration certificate: Issued with each unit, traceable to NIST/PTB standards, with channel-level measurement data recorded