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Yokogawa ACM12 S1 Communication Module

Brand/Manufacturer: Yokogawa

Order Number: ACM12 S1

Type: Communication Modules

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

Low stock - 10 items left
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Description

Configured for shielded interconnectivity between controllers and field modules in DCS platforms, the Yokogawa ACM12 S1 (ACM12 Communication Module) provides direct physical/electrical execution.

Hardware Specifications

Parameter Specification
Model ACM12 S1
Brand Yokogawa
Origin Japan
Weight Standard communication module weight
Dimensions Standard slot width for communication module nest
Operating Temp -20 to +70 deg C (Standard industrial parameters)
Power Consumption System backplane powered
Interface Type RS-422 or RS-485 (1 port)
Connection Type Point-to-point, Multipoint
Communication Mode Half-duplex
Synchronization Start-stop synchronization
Transmission Speeds 1200 / 2400 / 4800 / 9600 / 19200 bps
Max Transmission Distance 1200 m (Total length)
Connection Method Terminal connection (6 poles) with M4 screws

Process Control and DCS Connectivity Architecture

  • Multi-Drop Serial Integration: Supporting both RS-422 and RS-485 interfaces, this hardware enables deterministic half-duplex serial data loops to bridge field instrumentation directly into the master DCS backplane without protocol degradation.
  • 4-20 mA HART and Serial Signal Coexistence: Built with electrical and signal parameters optimized to route safely alongside standard 4-20 mA loop wirings, preserving the integrity of underlying digital modulation when run in parallel conduit runs.

Frequently Asked Questions

Q: Are there any parity check restrictions when operating the module at high baud rates? A: Yes. When configuring the ACM12 S1 for its maximum transmission speed of 19200 bps, the parity check parameter cannot be configured to "None". A parity configuration of "odd" or "even" must be utilized.

Q: Can this module be installed alongside an ACF11 interface module in the same nest? A: No. The ACM12 S1 cannot be combined with an ACF11 module in the same Communication Module Nest. However, it is fully compatible and can be combined with an ACM11 module within the nest.

Field Installation Guidelines

  • Field Wiring Requirements: Utilize a 3-pair shielded cable for field connections, or deploy the dedicated Yokogawa AKB161 cable when interfacing the ACM12 directly with an FA500 unit (limited to a maximum length of 100 m).
  • Screw Terminal Torques: Connect the external conductors to the 6-pole terminal block utilizing M4 screws. Ensure appropriate torque is applied to prevent loose connections in environments subject to continuous industrial vibration.
  • Signal Turnaround Delay: Ensure that downstream host software or master devices account for the hardware turnaround time of 1 ms required for signal reception recovery after data transmission completes over the half-duplex channel.
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Testimonials

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We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

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