AAI141-H00 S2 Yokogawa CENTUM Series Datasheet & Technical Manual

Yokogawa AAI141-H00 S2 Analog Input Module | Original

Yokogawa AAI141-H00 S2 Analog Input Module | Original

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YOKOGAWA AAI141-H00 S2 Analog Input Module Configured for high-speed signal acquisition in CENTUM VP/CS3000 systems, the YOKOGAWA AAI141-H00 S2 (AAI141-H00...

Código: AAI141-H00

Manufacturer: Yokogawa
Product No.: AAI141-H00
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 200g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

YOKOGAWA AAI141-H00 S2 Analog Input Module

Configured for high-speed signal acquisition in CENTUM VP/CS3000 systems, the YOKOGAWA AAI141-H00 S2 (AAI141-H00 Analog Input Module) provides direct physical conversion of analog process variables into digitized field data.

Suffix Breakdown & Model Matrix

Suffix	Definition
AAI141	Base Model: 16-channel Analog Input Module
-H	HART communication protocol support
00	Standard finish / No explosion protection
S2	Standard product revision / Coating level 2

Hardware Specifications

Parameter	Specification
Model	AAI141-H00 S2
Brand	Yokogawa
Origin	Japan
Weight	0.2 kg
Dimensions	170 mm x 120 mm x 50 mm
Operating Temp	-20 deg C to +70 deg C
Power Consumption	310 mA (5 V DC), 450 mA (24 V DC)
Input Signal	4-20 mA DC / 1-5 V DC
Accuracy	+/- 16 uA
Update Period	10 ms

DCS Process Control Integration

The AAI141-H00 S2 architecture leverages the 4-20 mA HART loop protocol to facilitate bi-directional communication between field instrumentation and the distributed control system. This integration permits the host controller to retrieve secondary variables, device status, and diagnostic flags directly through the primary signal path. To ensure data fidelity, the module utilizes internal filtering routines to mitigate common-mode noise inherent in long-distance analog transmission. Channel-to-channel isolation is managed via the backplane interface to prevent electrical cross-talk, while the circuit design includes dedicated transmitter power supply lines that maintain voltage regulation within the 14.8 V DC to 26.4 V DC range under varying loop loads.

Frequently Asked Questions

Q: Is this module compatible with non-HART field devices?

A: Yes, the module supports standard 4-20 mA analog input signals. HART protocol functionality is enabled by default for compatible devices but does not interfere with the operation of conventional 4-20 mA transmitters.

Q: What is the procedure for replacing this module during active system operation?

A: The hardware supports hot-swapping within a powered Yokogawa I/O rack. Ensure that the associated software loop is in "Manual" or "Maintenance" mode at the engineering workstation prior to physical removal to prevent unexpected control output shifts.

Field Installation Guidelines

Connector Seating: Verify that the MIL connector or pressure clamp terminal is fully seated on the module header. Ensure the locking mechanism is engaged to prevent intermittent signal loss caused by vibration or thermal expansion.
Loop Impedance: Maintain total loop resistance within specified limits. The input resistance is 400 Ohm at 20 mA; verify that the connected transmitter possesses sufficient drive capability to maintain current flow across the signal loop.
Shielding: Terminate the cable shield at the designated ground terminal on the I/O terminal board. Do not ground the cable shield at both the field device and the module end, as this may induce ground loops that degrade measurement accuracy.
Environment: Install the module in an environment meeting the specified temperature range. Ensure free airflow around the ventilation slots of the I/O module to prevent internal component heat accumulation.

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