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  • ALR121-S50 S1 YOKOGAWA Serial Communication Module
  • ALR121-S50 S1 YOKOGAWA Serial Communication Module
  • ALR121-S50 S1 YOKOGAWA Serial Communication Module
  • ALR121-S50 S1 YOKOGAWA Serial Communication Module
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ALR121-S50 S1 YOKOGAWA Serial Communication Module

  • YOKOGAWA
  • JAPAN
  • 2024
  • In Stock
The YOKOGAWA ALR121-S50 S1 is a crucial Serial Communication Module designed for Yokogawa's industrial automation systems. It facilitates reliable Modbus communication and subsystem data exchange, enhancing connectivity in safety control stations.
Annex

Specification of YOKOGAWA ALR121-S50 S1


Item

Specidication
ManufacuturerYOKOGAWA
Product No.ALR121-S50 S1
Product TypeSerial Communication Module 
Current Consumption0.5 A
I/O WiringCable with 3-pair shield, AKB161, or AKB162
Dimensions2.2 cm x 12.4 cm x 12.6 cm
Weight1.5kg
Interface TypeRS-422/RS-485
Number of Ports2 ports
Power ConsumptionApproximately 2 W to 5 W
Operating Temperature−10∘C to +55∘C
Storage Temperature−20∘C to +80∘C


Features of YOKOGAWA ALR121-S50 S1


FEATURE

RS-422/RS-485 Communication Interface: Offers flexible serial communication capabilities, supporting both point-to-point (RS-422) and multipoint (RS-485) connections, which are widely used in industrial environments for robust data transmission over longer distances.

Dual Communication Ports: Equipped with two independent serial communication ports, allowing for simultaneous or redundant connections to different devices or networks.

Dual-Redundant Configuration Capability: For enhanced system reliability and availability, two ALR121-S50 S1 modules can be configured in a dual-redundant setup.


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FAQs of YOKOGAWA ALR121-S50 S1 And Images


ALR121-S50 S1

What are its typical transmission speeds

The module supports various transmission speeds, including 1200, 2400, 4800, 9600, 19200, and 38400 bps (bits per second).The applicable speed may depend on the specific communication function being used.

YOKOGAWA ALR121-S50 S1

What is its role in safety control systems?

In safety control stations (SCS), the module enables Modbus communication to allow an external Modbus master to set or refer to data within the SCS.

Serial Communication Module

What cable types are compatible with it?

It typically uses cables with a 3-pair shield, such as Yokogawa's AKB161 or AKB162 cables, for its I/O wiring.Connection is often via a D-sub-9-pin (female x 2) connector.


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Bently 991-06-50-01-00Bently 991-06-50-01-00Bently 991-06-50-01-00
Bently 991-06-50-01-00YOKOGAWA ALR121-S50 S1YOKOGAWA ALR121-S50 S1
YOKOGAWA ALR121-S50 S1YOKOGAWA Serial Communication Module YOKOGAWA Serial Communication Module 
YOKOGAWA ALR121-S50 S1YOKOGAWA Serial Communication Module YOKOGAWA Serial Communication Module 

ALR121-S50 S1

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991-06-50-01-00.pdf

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