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YOKOGAWA COMMUNICATION MODULE
ACM12-S1
RS-422 / RS-485 Serial Communication Interface
The ACM12-S1 is a Yokogawa communication module designed for serial communication through RS-422 or RS-485 interfaces. Its configurable communication characteristics allow the connected equipment to be matched through selectable transmission speed, character length, stop bits and parity.
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01 / PRODUCT PROFILE
Serial Communication
Built for Integration ACM12-S1 provides a dedicated serial communication interface for equipment requiring RS-422 or RS-485 connectivity. The interface supports half-duplex operation and start-stop synchronization, providing a configurable serial path for industrial equipment and control-system communication.
INTERFACE CHARACTER
One communication port supports RS-422 or RS-485 operation. The communication mode is half-duplex, with start-stop synchronization and configurable serial parameters.
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02 / COMMUNICATION ARCHITECTURE
One Module · Two Serial Paths
Designed around configurable serial communication requirements.
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PATH A
RS-422
The RS-422 interface is suited to point-to-point serial communication. The ACM12-S1 can be configured with the serial characteristics required by the connected equipment.
Point-to-Point Half-Duplex
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PATH B
RS-485
The RS-485 interface supports multipoint serial communication and is suited to applications where multiple devices share a serial communication segment.
Multipoint Half-Duplex
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| Transmission Code | ASCII / Binary | Parity | None / Odd / Even |
| Synchronization | Start-stop | Stop Bits | 1 / 2 |
| Interface | 1 Serial Port | Mode | Half-Duplex |
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03 / SYSTEM RELATION
Communication
Module Family ACM12-S1 belongs to the serial communication side of the Yokogawa communication-module architecture. Its role is different from general-purpose communication cards and from fieldbus-specific interfaces.
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| ◆ | When replacing an existing communication module, confirm the communication interface, nest compatibility, wiring arrangement and serial settings before installation. ACM12-S1 should not be treated as an interchangeable substitute for modules using a different physical interface or communication architecture. |
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04 / PROCUREMENT SUPPORT
ACM12-S1
Replacement & Inquiry For replacement planning, compatibility checking or quantity inquiries, send the exact model and required quantity. Our team can coordinate the next step according to your application and delivery requirement.
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Can ACM12-S1 be used when the existing system requires RS-485 multipoint communication?
Yes. ACM12-S1 supports RS-485 operation and is suitable for multipoint serial communication. The complete installation should still be checked against the existing wiring arrangement and serial settings.
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Can ACM12-S1 match equipment using different serial transmission speeds?
The module supports selectable communication speeds from 1200 to 19200 bps. The connected equipment must use compatible communication parameters for reliable communication.
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Does ACM12-S1 support both ASCII and binary transmission?
Yes. ACM12-S1 supports ASCII and binary transmission codes. The selected transmission format should correspond with the connected device configuration.
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What should be checked before replacing ACM12-S1?
Check the communication interface, module-nest compatibility, connector and wiring arrangement, communication speed, character length, stop bits and parity settings before installation.
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Is ACM12-S1 suitable for long serial communication runs?
The stated maximum total cable length is up to 1200 m for the supported serial communication arrangement. Actual installation performance depends on the connected equipment, cable construction, termination and overall network arrangement.
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Exclusive Multilingual Support Team
Communication across languages, applications and international purchasing requirements.
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Customized Customer Relation Management and Order Tracking System
A structured purchasing workflow for inquiries, order coordination and delivery tracking.
CUSTOMIZED SERVICE / ORDER TRACKING / CUSTOMER RELATION
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No additional charges, handling charges or hidden charges are incurred.
We continue to innovate and strive to improve the world's automation parts supply level.
No matter where the customer is or how difficult it is to find parts, we hope to connect customers all over the world through parts. Our business scope is wide, and we can provide all kinds of parts for customers around the world.
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07 / AFTER-SALES
Return
& Replacement |
We will issue a return or replacement for your order after we received the returns.
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