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ABB SPASI23 Analog input module
ABB SPASI23 is a high-performance 16-channel analog input module meticulously designed for seamless integration with ABB's AC800M control system. It can reliably handle signals in various industrial applications. Specifically, in temperature measurement, it can proficiently deal with inputs from thermocouples (TCs), resistance temperature detectors (RTDs), and thermistors. In voltage measurement, it can accurately measure voltages in the range of -10V to +10V, and in current measurement, it can precisely determine currents from -20mA to +20mA.
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ABB SPASI23 Analog input module
Specific Parameters
- Number of input channels: 16
- Supported input types: Thermocouple (TC), millivolt (mV), resistance temperature detector (RTD), high-level signals
- Signal measurement range:
- Voltage: -10V to +10V
- Current: -20mA to +20mA
- Conversion accuracy: Typically 0.1% of full scale
- Conversion time: 250μs
- Resolution: 16-bit
- Power consumption: 2.5W
- Dimensions:
- Depth: 73.66mm
- Height: 360.68mm
- Width: 269.24mm
- Weight: 0.771kg
- Environmental class: WEEE category 5 (small equipment, external dimensions not exceeding 50cm)
- Operating temperature range: -20°C to +85°C
- Protection class: IP20 (must be installed in a control cabinet)
Product Performance
- High-precision measurement: With a typical input accuracy of 0.1% of full scale, it ensures accurate measurement, providing reliable data for industrial applications.
- Wide input range: It can accommodate a variety of input signal types, including thermocouples, RTDs, thermistors, voltage, and current signals, showing strong adaptability.
- Fast signal conversion: A fast conversion time of 250μs enables accurate measurement of rapidly changing signals, meeting the requirements of scenarios with high real-time requirements.
- Electrical isolation protection: Galvanic isolation between input and output circuits effectively resists electrical noise and ground faults, enhancing the safety of the module and connected devices.
- Convenient installation: Adopting DIN rail mounting makes installation and maintenance convenient, reducing on-site construction difficulties

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