AMM52T YOKOGAWA Current Output Multiplexer

AMM52T YOKOGAWA CENTUM RIO Current Output Multiplexer Module

AMM52T YOKOGAWA CENTUM RIO Current Output Multiplexer Module

Availability: 99 left in stock

YOKOGAWA AMM52T Current Output Multiplexer Module The YOKOGAWA AMM52T, also cataloged as the AMM52T Current Output Multiplexer Module, operates as...

SKU: AMM52T

Manufacturer: Yokogawa
Product No.: AMM52T
Product Type: Analog Output Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 600g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA AMM52T Current Output Multiplexer Module

The YOKOGAWA AMM52T, also cataloged as the AMM52T Current Output Multiplexer Module, operates as a dedicated hardware component for driving field-level actuators and valve positioners within CENTUM RIO platform architectures.

Suffix Breakdown & Model Matrix

Model	Description
AMM52T	Standard current output multiplexer module
AMM52T-S2	Conformal-coated variant for corrosive industrial environments

Hardware Specifications

Parameter	Specification
Model	AMM52T
Brand	YOKOGAWA
Origin	Japan
Weight	0.6 kg
Dimensions	282 mm x 210 mm x 20 mm
Operating Temp	-10 deg C to +60 deg C
Power Consumption	<= 4 A @ 5 VDC
Output Channels	16 (Multiplexed)
Signal Range	4-20 mA DC
Accuracy	+/- 48 uA (~0.3% FS)

DCS Process Control and Connectivity

The AMM52T employs time-division multiplexing to distribute 16 channels of 4-20 mA DC control signals. In this architecture, channel-to-channel isolation is not provided within the module itself; therefore, external signal isolators are required for applications where ground loop suppression or common-mode noise rejection is necessary. The module interfaces directly with the backplane to receive process variables, converting digital control commands into precise analog current loops with a refresh cycle of approximately 1 second.

Frequently Asked Questions

Q: Can the AMM52T be used in a redundant system configuration?

A: Yes. The module supports dual-redundant setups when installed in compatible CENTUM RIO nests. Users must ensure that the corresponding software configuration in the Field Control Station (FCS) is set to support pair-based redundancy to prevent control output discontinuities during module failover.

Q: Are there specific installation requirements for the M4 screw terminals?

A: Yes. Field wiring must utilize appropriately sized lugs for M4 screws. Torque the connections according to standard industrial specifications to ensure consistent contact resistance, especially since the module relies on backplane power and lacks internal galvanic channel isolation.

Field Installation Guidelines

Mounting: Install the module within a dedicated RIO nest. Verify that the guide rails are clean and free of debris to ensure proper mating with the backplane connectors.
Grounding: While the module is mounted to the RIO nest, ensure the nest chassis is bonded to the main instrumentation ground bus to maintain a stable reference potential for the 5 VDC backplane supply.
Wiring: Maintain clear separation between the 4-20 mA loop outputs and any AC power or high-speed digital communication cabling. If external isolators are used, they should be mounted as close to the termination block as possible to minimize signal degradation.

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