YOKOGAWA MAC2 Modules: MAC2*B AS S9310AQ-05 Multipoint Analog Control Card

Technical Dossier

Product Details And Specifications

YOKOGAWA MAC2 Series Technical Notes

The Evolution of MAC2 Architecture

The MAC2 series was developed as part of YOKOGAWA's CENTUM-XL and CENTUM CS platform ecosystem. Early MAC2 modules operated on a proprietary backplane bus with parallel I/O addressing, designed for deterministic scan-cycle performance in safety-critical loops. As YOKOGAWA transitioned to the CENTUM CS 3000 and subsequently CENTUM VP platforms, the MAC2 hardware entered a compatibility bridge phase — many facilities retained MAC2 field wiring and marshalling cabinets while upgrading controller nodes. This created a sustained demand for MAC2 spare modules, particularly analog control cards and communication adapters, as replacements for aging installed units. The series is now classified as mature/end-of-life by YOKOGAWA, with no new production. Long-term maintenance support, including tested surplus and refurbished units, is the primary sourcing channel for facilities not yet migrated to CENTUM VP.

MAC2 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified MAC2 series modules categorized by functional role. Each entry reflects a distinct hardware type within the CENTUM-XL / CENTUM CS architecture.

Analog Control Modules

• MAC2*B AS S9310AQ-05: Multipoint analog control card, multi-loop PID processing, high-density channel I/O
• MAC2*B AS S9310AQ-03: Analog control card variant, reduced channel count configuration
• MAC2*B AS S9310BQ-05: Enhanced analog control card with extended input range support
• MAC2*B AS S9310CQ-05: Analog control card with redundancy-ready backplane interface

Digital Input (DI) Modules

• MAC2*B AS S9311DI-01: 16-channel digital input module, 24VDC field signal compatible
• MAC2*B AS S9311DI-02: 32-channel digital input module, high-density DI for process status monitoring
• MAC2*B AS S9311DI-04: Digital input module with isolated channel architecture

Digital Output (DO) Modules

• MAC2*B AS S9312DO-01: 16-channel digital output module, relay-driven field actuator interface
• MAC2*B AS S9312DO-02: 32-channel digital output module, solid-state output configuration

Analog Input (AI) Modules

• MAC2*B AS S9313AI-01: 8-channel analog input, 4–20mA signal acquisition, 12-bit resolution
• MAC2*B AS S9313AI-02: 16-channel analog input module, thermocouple and RTD compatible
• MAC2*B AS S9313AI-04: High-speed analog input card for fast-scan process loops

Analog Output (AO) Modules

• MAC2*B AS S9314AO-01: 8-channel analog output, 4–20mA, field device valve positioner interface
• MAC2*B AS S9314AO-02: 16-channel analog output module, high-resolution DAC output

Communication & CPU Modules

• MAC2*B AS S9315CP-01: Controller processor card, CENTUM-XL bus master, ladder and function block execution
• MAC2*B AS S9316CM-01: Communication adapter module, V-net / ER-bus interface for node-to-node data exchange
• MAC2*B AS S9316CM-02: Dual-port communication module, redundant network path support

Power Supply Modules

• MAC2*B AS S9317PS-01: 24VDC backplane power supply module, single-rail configuration
• MAC2*B AS S9317PS-02: Redundant power supply module, hot-swap capable for continuous operation