ALR111-S01 Yokogawa ALR111 Datasheet & Technical Manual

Yokogawa ALR111-S01 ALR111 Serial Communication Modules

Yokogawa ALR111-S01 ALR111 Serial Communication Modules

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YOKOGAWA ALR111-S01 Serial Communication Module The YOKOGAWA ALR111-S01, also cataloged as the ALR111 Serial Communication Module, operates as a dedicated...

رمز المنتج: ALR111-S01

Manufacturer: Yokogawa
Product No.: ALR111-S01
Product Type: Serial Communication Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

YOKOGAWA ALR111-S01 Serial Communication Module

The YOKOGAWA ALR111-S01, also cataloged as the ALR111 Serial Communication Module, operates as a dedicated hardware component for short-range point-to-point data exchange within CENTUM VP, CENTUM CS 3000, and ProSafe-RS control networks. This component houses duplicate RS-232C physical layer interfaces that establish asynchronous, half-duplex subsystem communication pipelines between field control units and external sequencers, FA-M3 controllers, or third-party programmable logic controllers. The module serves as a hardware link to ingest and map peripheral data frames into the central distributed control architecture.

Hardware Specifications

Parameter	Specification
Model	ALR111-S01
Brand	Yokogawa
Origin	Japan
Weight	0.3 kg (0 lbs 10.1 oz)
Dimensions	127 x 51 x 127 mm (5.0 x 2.0 x 5.0 in)
Operating Temp	-20 deg C to +70 deg C
Power Consumption	12.0 W max (Calculated at 24 VDC backplane feed, 0.5 A current draw)
Interface Configuration	RS-232C (2 ports)
Connection Type	Point-to-point via D-sub 9-pin female connectors
Transmission Speed	1200 / 2400 / 4800 / 9600 / 19200 / 38400 bps
Signaling Mode	Half-duplex, start-stop synchronization
Cable Compatibility	AKB131, AKB132, AKB133, AKB134 assemblies
Transmission Distance	Max. 15 m
Current Consumption	Approx. 0.5 A

Process Control & DCS Instrumentation Attributes

The internal communication processor of the ALR111-S01 manages the execution of Modbus slave communication algorithms alongside specialized subsystem telemetry routines. Both onboard RS-232C ports integrate internal signal isolation barriers to ensure channel-to-channel isolation parameters, blocking field-side voltage spikes from disrupting backplane logic boards. This protective layer mitigates electromagnetic interference during binary or ASCII data translation, ensuring stable register polling by an active Modbus master. The module firmware maintains an internal post-transmission lag time fixed at 1 ms to regulate bus line turnaround times, allowing the host field control unit to process structured subsystem variables without dropping frames or skewing parallel analog loop measurements that depend on precise cold junction compensation or 4-20 mA HART loop protocol parameters.

Frequently Asked Questions

Q: Can the two ports on the ALR111-S01 run different protocols simultaneously, such as Modbus slave on Port 1 and standard subsystem communication on Port 2?

A: No. The internal hardware architecture mandates that both communication ports execute identical functions. Running mixed protocols concurrently on a single module is not supported by the firmware.

Q: What is the maximum physical cable distance permitted for the ALR111-S01 before signal degradation occurs?

A: The physical properties of the RS-232C voltage interface restrict the maximum transmission distance to exactly 15 m. Applications requiring spans beyond 15 m require external converters or the substitution of an RS-422/RS-485 module variant.

Field Installation Guidelines

Mount the module into the designated FIO slot of the AFV30, AFV40, A2FV50, A2FV70, ANB10, ANB11, ANR10, or AFF50 base plates, pushing the unit into the backplane matrix until the mechanical locking tabs engage completely. Terminate all connections using factory-assembled AKB131, AKB132, AKB133, or AKB134 D-sub 9-pin cable sets, and secure the retaining screws on the female connectors to prevent intermittent contact. Technicians must route the RS-232C serial lines within dedicated low-voltage instrument trays, maintaining a distinct physical separation from high-current AC motor leads or power switching systems to eliminate noise induction. When configured for dual-redundant safety or control networks, populate consecutive slots and verify matching firmware revisions between the primary and secondary communication modules before executing system initialization.

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