ABB AI815 Input Module

Brand： ABB

Model number：AI815

Warranty: 12 months

Lead Time：3-day working day

Country of origin: USA Price: Please contact us

Product weight：0.2kg

Shipping Port: China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

ABB AI815 Input Module

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Products Name: ABB AI815 Input Module

PRODUCT DESCRIPTION

1. Product Detailed Description

The AI815 is a high-performance analog input module providing 8 channels of current inputs. It is specifically engineered to interface with 2-wire or 4-wire transmitters.

A standout feature of the AI815 is its HART pass-through capability. This allows for digital communication with "smart" field devices, enabling remote configuration, diagnostics, and maintenance without disrupting the 4–20 mA analog signal. The module is "hot-swappable," meaning it can be replaced while the system is powered (provided the station is configured for it), ensuring high process availability.

2. Technical Specifications (Product Parameters)

Parameter	Specification
Number of Channels	8 (Single-ended, common return)
Input Type	Current (4–20 mA, 0–20 mA)
A/D Resolution	12 bits
HART Communication	Yes (HART 5, 6, and 7 supported)
Input Impedance	Typ. 250 $\Omega$
Isolation	Group-wise isolation from Ground and redundant Power
Power Dissipation	Max 2.1 W
Update Time	Approx. 10 ms (for all 8 channels)
Operating Temperature	0 to +55 °C

3. Product Advantages

HART Integration: Simplifies asset management by allowing the controller to read device parameters and diagnostics via the analog wiring.
High Density: 8 channels in a compact form factor save significant space in the control cabinet.
Robust Diagnostics: The module monitors internal hardware, power supply, and channel status, reporting errors immediately to the CPU.
Ease of Maintenance: Support for "Hot Swap" (Run-Time Replacement) minimizes downtime during hardware failures.
Galvanic Isolation: Protects the internal system electronics from external electrical noise and surges.

4. Important Considerations (Usage Notes)

Module Termination Unit (MTU): The AI815 must be used with a compatible MTU (e.g., TU810, TU812, TU814, or TU830). The choice of MTU determines the wiring method (screw or spring terminals).
External Power: If using 2-wire transmitters, ensure the external 24V DC power supply is properly fused and shared across the MTU.
Shielding: To maintain signal integrity and avoid EMI (Electromagnetic Interference), twisted-pair shielded cables are highly recommended.
Load Limits: Be mindful of the $250 \Omega$ input impedance when calculating the total loop resistance for your transmitters.

5. Product Applications

The ABB AI815 is used across various heavy industries where precise monitoring and smart device communication are required:

Oil & Gas: Monitoring pressure and flow sensors in hazardous environments.
Power Generation: Temperature and level monitoring in turbines and boilers.
Chemical Processing: Interfacing with HART-enabled pH or conductivity meters for real-time diagnostics.
Water Treatment: Managing remote pump stations and reservoir levels.

ABB AI815 Input Module

Shipping Port: China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

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