Yokogawa ACM11-S2 CENTUM VP DCS Communication Module

Availability: 99 left in stock

Yokogawa ACM11-S2 Communication Module The Yokogawa ACM11-S2, also cataloged as the ACM11 Communication Module, operates as a dedicated hardware component...

SKU: ACM11-S2

Manufacturer: Yokogawa
Product No.: ACM11-S2
Product Type: Communication Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 280g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa ACM11-S2 Communication Module

The Yokogawa ACM11-S2, also cataloged as the ACM11 Communication Module, operates as a dedicated hardware component for bridging field devices and control processors within Yokogawa CENTUM CS / VP DCS systems platforms. The interface hardware handles point-to-point asynchronous communication routines across RS-232C, RS-422, and RS-485 physical channels, managing data transfer throughput rates up to 230 Kbps.

Hardware Specifications

Parameter	Specification
Model	ACM11-S2
Brand	Yokogawa
Origin	Japan
Weight	0.28 kg
Dimensions	130 mm x 115 mm x 32 mm
Operating Temp	0-50 deg C
Power Consumption	250 mA at 5 VDC
Equipment Category	PLC/DCS Communication Module
Interface Protocol	RS-232C, RS-422, RS-485 Serial
Maximum Data Throughput	230 Kbps
Isolation	Galvanic isolation between field and system bus
Redundancy	Dual-redundant support with compatible baseplate

Process Control & DCS Instrumentation Integration

The ACM11-S2 implements a dedicated 4-20 mA HART loop protocol layer paired with FOUNDATION Fieldbus / Profibus PA connectivity parameters to align external serial instruments with the primary control processors. Physical galvanic isolation boundaries separate the field terminal circuitry from the internal system bus, absorbing high-frequency common-mode electrical noise and neutralizing ground loop propagation. The module routes asynchronous data packets directly into the backplane bus, executing automated error detection and frame retransmission routines to maintain deterministic communication performance while offloading processing cycles from the main DCS controller node.

Frequently Asked Questions

Q: How does the ACM11-S2 maintain communication uptime if a serial connection path breaks?

A: The hardware architecture supports full dual-redundancy when installed on a compatible redundant baseplate slot layout. An integrated system watchdog tracks data frame continuity, enabling the active DCS processors to execute a hardware switchover to the secondary parallel module within one network scan cycle if line faults are verified.

Q: What are the specific power supply requirements for a single ACM11-S2 card edge interface?

A: The communication module draws its operational power directly from the internal system baseplate backplane. The physical electrical load is rated at 250 mA at 5 VDC, resulting in an active hardware power draw of less than 1.25 W during continuous data transmission cycles.

Q: Can the physical serial port parameters be modified directly on the hardware during installation?

A: No physical DIP switch or jumper adjustments exist on the module body. All baud rates up to 230 Kbps, parity configurations, stop bits, and protocol selections (RS-232C/422/485) are set programmatically via the engineering workstation tools during system configuration download.

Field Installation Guidelines

Insert the ACM11-S2 module vertically into the designated baseplate slot until the specialized system interface pins fully seat into the backplane connectors. Tighten the card retention fasteners to lock the 0.28 kg chassis against vibration vectors and prevent intermittent terminal contact resistance.

Run all RS-232C, RS-422, and RS-485 serial field cables inside dedicated, grounded low-voltage instrument ducts. Keep these communication paths physically separated from high-voltage AC motor lines to eliminate inductive RFI/EMI coupling. Connect cable shield drains directly to the plant instrument earth ground bar rather than the local rack chassis frame. Ensure cabinet convection pathways remain unblocked to prevent ambient internal temperatures from exceeding the 50 deg C standard industrial operating specification limit.

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