AAI543-H50/K4A00 Yokogawa CENTUM VP Datasheet & Technical Manual

Yokogawa AAI543-H50/K4A00 CENTUM VP Analog Output Module

Yokogawa AAI543-H50/K4A00 CENTUM VP Analog Output Module

Availability: 10 left in stock

Yokogawa AAI543-H50/K4A00 Analog Output Module The Yokogawa AAI543-H50/K4A00, also cataloged as the AAI543 Analog Output Module, operates as a dedicated...

SKU: AAI543-H50/K4A00

Manufacturer: Yokogawa
Product No.: AAI543-H50/K4A00
Product Type: Analog Output Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa AAI543-H50/K4A00 Analog Output Module

The Yokogawa AAI543-H50/K4A00, also cataloged as the AAI543 Analog Output Module, operates as a dedicated hardware component for driving field control valves and actuators within CENTUM VP and CENTUM CS 3000 platforms. It generates 16 isolated 4-20 mA DC current loops, coordinating system demand values with field control devices. The integrated physical circuit uses an onboard digital communication interface to superimpose HART parameters onto the analog current loops, allowing parallel diagnostics without disrupting the primary control signal.

Suffix Breakdown & Model Matrix

The alphanumeric suffix and option codes for this AAI543 configuration specify the following factory-built parameters:

AAI543: Analog Output Module (16 channels, isolated)
-H: With digital communication (HART protocol)
5: Standard switch-over response in redundant configuration with no explosion protection
0: Basic type
/K4A00: With KS Cable Interface Adapter (Model: ATK4A-00) for direct connection to the AEA4D Terminal Board

Hardware Specifications

Parameter	Specification
Model	AAI543-H50/K4A00
Brand	Yokogawa
Origin	Japan
Weight	0.4 kg (Shipping Weight: 1.5 kg)
Dimensions	Compact rack-mounted form factor
Operating Temp	0 to 60 deg C
Power Consumption	230 mA (5 V DC), 540 mA (24 V DC)
Number of Channels	16, fully isolated
Output Signal Range	4 to 20 mA DC (operational range up to 24 mA)
Withstanding Voltage	Between output and system: 1500 V AC for 1 minute
Allowable Load Resistance	0 to 750 ohms
Circuit-Open Detection	Less than 0.65 mA
Accuracy	+/- 48 uA
Data Update Period	10 ms
Temp Drift	+/- 16 uA per 10 deg C
Redundant Switching Time	Standard switch-over response (less than or equal to 100 ms)
Connection Type	MIL-type 40-pin connector (via ATK4A-00 interface adapter)

HART Integration & Channel Isolation

This module utilizes the 4-20 mA HART loop protocol to achieve simultaneous analog output driving and digital parameter access. Through channel-to-channel and channel-to-system isolation barriers rated to withstand 1500 V AC for one minute, the physical circuitry protects the CENTUM VP backplane from transient field surges and localized ground loops. The 10 ms data update period maintains tight process loop execution. When configured in a dual-redundant pair, the module hardware executes standard switch-over response times, preventing control valve travel deviation during active controller transfer.

Frequently Asked Questions

Q: How does the open-circuit diagnostic routine function on this module?

A: The module constantly monitors the loop current. If the current falls below 0.65 mA, the internal diagnostic circuit registers an open-circuit fault, triggering a status flag across the backplane to the system controller.

Q: Can this module interface with standard terminal boards?

A: Yes. The /K4A00 option provides a KS Cable Interface Adapter (ATK4A-00), allowing direct connection to the AEA4D Terminal Board using a standard MIL-type 40-pin connector cable.

Q: What is the load limits profile for the 4-20 mA current outputs?

A: Each of the 16 isolated channels can drive an electrical loop resistance of 0 up to 750 ohms, ensuring sufficient driving voltage for remote actuator positioners.

Field Installation Guidelines

Interface Connection: Securely fasten the MIL-type 40-pin connector adapter (/K4A00) using the built-in locking tabs to prevent loose physical connections under cabinet vibration.
Shield Grounding: Ground the signal cable shields at a single point, preferably at the terminal board end, using a low-impedance copper bus bar connected directly to the instrument ground.
Separation of Signaling Lines: Keep the 4-20 mA analog output cables in separate wiring ducts from high-voltage AC power lines to avoid induced magnetic noise on the loops.
Heat Dissipation: Arrange the rack mounting of the modules to ensure uninhibited vertical airflow, preventing localized temperature pockets from exceeding the maximum 60 deg C limit.

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