Yokogawa MAC2*C FIO-Compatible Analog Control Card

Product Overview

The Yokogawa MAC2*C is a multipoint analog control card designed for Yokogawa CENTUM VP, CENTUM CS3000, CENTUM XL, and microXL Distributed Control Systems. It provides 8 analog input channels and 8 analog output channels, delivering high-density analog I/O with compatibility for FIO modules. The MAC2*C represents the latest hardware revision with enhanced signal integrity and broader system support.

Key Specifications

• Product Family: Yokogawa CENTUM DCS
• Product Type: Multipoint Analog Control Card
• Input Channels: 8 analog inputs
• Output Channels: 8 analog outputs
• Analog Input Range: -10 V to +10 V
• Analog Output Range: 0 mA to 20 mA / 4-20 mA
• Accuracy: ±0.1% to ±0.2% of full scale
• Sampling Rate: 1 to 2 times per second
• Power Supply: 9 V DC to 36 V DC
• Power Consumption: 5 W
• Weight: 0.10 to 1.0 kg (variant dependent)
• Operating Temperature: -10°C to +55°C
• Environmental Rating: IP55 (select variants)

Features and Benefits

• Latest Revision C hardware with enhanced signal processing algorithms
• FIO module compatibility enables integration with CENTUM VP/CS3000 systems
• 16 total analog channels (8 in / 8 out) in a single card slot
• Wide 9-36 V DC power input range accommodates various system power configurations
• IP55 protection rating available for dusty and wet industrial environments
• Low 5 W power consumption reduces thermal load in crowded card nests

Applications

• CENTUM VP/CS3000 FIO-based analog process control
• CENTUM XL and microXL system modernization
• Chemical and petrochemical process variable control
• Oil and gas production facility monitoring
• Power plant boiler and turbine control loops

FAQ

Q: What is the difference between MAC2*C and earlier revisions?
A: MAC2*C is the latest revision with enhanced signal processing, FIO module compatibility, improved environmental protection (IP55 on select variants), and broader power input range (9-36 V DC).

Q: Is MAC2*C backward compatible with CENTUM XL?
A> Yes. The MAC2*C maintains backward compatibility with CENTUM XL and microXL systems while adding FIO compatibility for newer CENTUM VP/CS3000 installations.

Q: What does the IP55 rating mean?
A: IP55 indicates protection against dust ingress and low-pressure water jets from any direction. This applies to select MAC2*C variants.

Q: How many analog loops can one card support?
A: The card supports 8 analog input channels and 8 analog output channels simultaneously, for a total of 16 analog signal paths.

Installation Guide

1. De-energize the DCS rack and verify zero energy before installation
2. Align the MAC2*C card with the card nest guide rails
3. Insert the card until the backplane connectors fully engage
4. Secure the card with mechanical retention fasteners
5. Connect analog field wiring to the appropriate input/output terminals
6. Configure channel parameters in the CENTUM VP engineering station
7. Perform commissioning loop checks for all 16 channels
8. Verify module status and communication integrity

Selection Tips

• Select MAC2*C for the latest revision with maximum compatibility
• For basic CENTUM XL applications without FIO needs, MAC2*A or MAC2*B may be cost-effective
• Verify your DCS software version supports Revision C hardware
• For harsh environments, select the IP55-rated variant
• Confirm 9-36 V DC power availability in your card nest