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The ABB SPASI23 (also listed as SPASI23 or AI Module in ABB catalogs) is a high-performance 16-channel analog input module from ABB's Symphony Plus (S+) I/O family, part of the broader Harmony/INFI 90 or AC 800M compatible ecosystems. The ABB SPASI23 is engineered for precise acquisition of low-level analog signals in industrial process control applications, supporting thermocouples (TC), millivolts (mV), resistance temperature detectors (RTD), and high-level voltage/current inputs. The ABB SPASI23 provides individual channel isolation, high resolution (typically 16-bit or better), configurable filtering, and robust noise immunity for demanding environments like power generation, chemical processing, oil & gas, and manufacturing. The ABB SPASI23 integrates seamlessly with Symphony Plus controllers (e.g., via Harmony rack or AC 800M I/O bus) and offers diagnostics, LED status indication, and easy field wiring. The ABB SPASI23 is valued for its reliability, flexibility in sensor types, and support for redundant configurations. Overall, the ABB SPASI23 is a trusted, versatile analog input solution for process automation systems.

Model / Part Number,SPASI23

Device Type,Analog Input Module (AI Module)

Number of Channels,16 analog inputs (configurable per channel)

Supported Input Types,"Thermocouples (TC: types J, K, T, E, N, R, S, B, etc.), Millivolts (mV), RTD (Pt100, Ni100, etc.), High-level voltage/current (e.g., ±10 V, 0–20 mA, 4–20 mA)"

Resolution,Typically 16-bit (or higher; dependent on range)

Isolation,"Channel-to-channel and channel-to-ground isolation (galvanic, typically 1500 V or more)"

Accuracy,"High accuracy (e.g., ±0.1% of span typical for most ranges; consult manual for exact)"

Input Ranges,"Configurable: e.g., -100 to +100 mV, TC ranges per type, RTD 0–400 Ω, high-level ±10 V / 0–20 mA"

Filtering,Programmable digital filtering per channel

Status Indication,"Front LEDs for channel status, power, faults"

Compatible Systems,"Symphony Plus (S+), Harmony INFI 90 rack, AC 800M I/O (via adapters if needed)"

Power Supply,From rack/bus (typically 24 V DC system supply)

Operating Temperature,Standard industrial: -20 °C to +60 °C (or per S+ specs)

Mounting,Harmony rack I/O slot (plug-in module)

Additional Features,"Self-diagnostics, open sensor detection, linearization for TC/RTD, cold junction compensation for TC"

Weight (approx.),~0.7–0.8 kg

Country of Origin,Sweden / Finland (typical ABB)

Life Cycle Status,Active (spares widely available)

Install the ABB SPASI23 into a compatible Harmony/Symphony rack slot, ensuring proper alignment and secure insertion.

Connect field wiring to the terminal blocks: attach sensors (TC/RTD/mV/high-level) with correct polarity, shielding, and grounding (single-point shield preferred).

Power up the rack/system and verify power LEDs and channel status indicators on the ABB SPASI23 for normal operation.

Use the configuration tool (e.g., Composer or Control Builder for S+/AC 800M) to define the module: set channel types, ranges, engineering units, filtering, and linearization parameters.

Perform calibration/checks: apply known test signals (e.g., TC simulator, RTD box) and verify readings in the controller HMI or diagnostics.

Integrate into control logic: map inputs to function blocks for process monitoring/control; enable diagnostics and alarms.

Monitor during runtime: check channel values, fault LEDs, and trends for stable, accurate signal acquisition from the ABB SPASI23.

Only qualified instrumentation/automation personnel should install or service the ABB SPASI23, following ABB Symphony Plus safety guidelines and relevant standards (e.g., IEC 61131).

Isolate rack power, lock out/tag out, and confirm zero voltage before inserting/removing the ABB SPASI23 or wiring.

Use shielded, twisted-pair cables for low-level signals (TC/mV/RTD); ground shields at one end only to prevent ground loops.

Ensure correct sensor wiring polarity and cold junction compensation (for TC) at the module terminals.

Do not exceed input ratings (voltage/current/thermocouple types) to avoid damage to the ABB SPASI23 channels.

Verify rack compatibility and environmental conditions (temperature, humidity, vibration) per Symphony Plus specs.

Visually check front LEDs on the ABB SPASI23 each shift for power, channel faults, or module alarms.

Monitor analog input values in the controller HMI/trends for expected ranges, drifts, or open-sensor indications.

Inspect field wiring and terminal connections for tightness, corrosion, or damage affecting the ABB SPASI23.

Clean module surface and ventilation areas (power off first) to prevent dust buildup.

Review system diagnostics/logs for any I/O errors, calibration drifts, or self-test failures related to the ABB SPASI23.

Periodically verify accuracy with test equipment (e.g., simulator for TC/RTD) during planned maintenance.

Contact ABB/Hitachi Energy support for firmware updates, persistent faults, or if channel replacement is needed for the ABB SPASI23.

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Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

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We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.