STBACI1230K – 2-Channel Analog Input Kit, 0…20 mA, 12 Bits

Schneider Electric STBACI1230K is a complete analog input kit for Modicon STB distributed I/O. It reads two 0…20 mA current signals with 12‑bit resolution. The kit includes the module, base, and both screw and spring terminals – ready for installation.

Key Features

• 2 analog inputs – 0…20 mA, 12‑bit resolution
• Complete kit – module + base + two types of connectors
• Built‑in filtering – 25 Hz low‑pass filter
• Hot‑swap ready – replace without powering down
• 1500 V isolation – between channels and logic bus
• Wide temperature – -25…70 °C operation

Technical Specifications

Input Characteristics

• Number of inputs: 2
• Input type: current, 0…20 mA
• Resolution: 12 bits
• Absolute max input: 25 mA / 50 V DC
• Input impedance: ≤ 300 Ω
• Response time: 5 ms
• Update time: 10 ms
• Integral linearity: ±0.1 % of full scale
• Differential linearity: monotonic

Accuracy & Drift

• Absolute accuracy: ±0.5 % of full scale at 25 °C
• Temperature drift: ±0.01 % / °C

Filter & Protection

• Filter type: single low‑pass, 25 Hz
• Short‑circuit protection: built‑in
• Sensor supply: 100 mA per channel
• Isolation (channel to logic): 1500 V for 1 minute
• Isolation (channel to sensor bus): 30 V

Power & Consumption

• Logic bus: 5 V DC, 30 mA
• Field supply: 24 V DC via PDM (STBPDT3100/3105)
• Overvoltage category: II

Addressing & Data Format

• Address requirement: 4 input words
• Data format: EN/IEC 61131‑2

Mechanical & Environmental

• Dimensions: 128.3 x 70 x 13.9 mm (W x D x H)
• Weight: 0.116 kg
• Operating temp: -25…70 °C
• Storage temp: -40…85 °C
• Humidity: 95 % at 60 °C (non‑condensing)
• Vibration: 3 gn (58…150 Hz) on DIN rail
• Shock: 30 gn (11 ms)
• IP rating: IP20 (EN 61131‑2 class 1)
• Pollution degree: 2
• Altitude: ≤ 2000 m

Certifications

• UL, CSA, FM Class 1 Division 2
• ATEX Cat 3G
• C‑Tick (Australia)
• CE

LED Indicators

• RDY (green): module status
• ERR (red): module error

Kit Contents

• STBACI1230 – analog input module
• STBXBA1000 – mounting base
• STBXTS1100 – screw type connector (6 terminals)
• STBXTS2100 – spring clamp connector (6 terminals)

Compatibility

• Base: STBXBA1000 (included)
• Power distribution: STBPDT3100 or STBPDT3105
• NIM: standard NIMs support hot‑swap and fallback
• Fallback: state 0 (basic NIM) or user‑configurable (standard NIM)

Expert Review – Engineer’s Perspective

Accurate and robust for process signals. The STBACI1230K delivers stable 0…20 mA readings with 12‑bit resolution. The 25 Hz filter removes noise from long cables. We appreciate the complete kit – no need to order parts separately. The ±0.5 % accuracy is reliable for most industrial monitoring tasks.

Manager’s Insight – Efficiency & Inventory

One kit, one order, zero hassle. Including both screw and spring terminals means you can choose the wiring style on site. Hot‑swap capability reduces downtime during maintenance. With global certifications (UL, CSA, ATEX, FM), this kit fits machines sold worldwide.

Applications & Suitable Equipment

• Controllers: Modicon STB distributed I/O systems
• Transmitters: pressure, temperature, flow (4…20 mA or 0…20 mA)
• Process monitoring: tank levels, pump currents
• Machine condition: vibration, torque, force sensors
• HVAC: damper position, valve feedback

Frequently Asked Questions (FAQ)

Q: What is the maximum input current before damage?

A: 25 mA absolute maximum. Exceeding this may damage the module.

Q: Can I use 4…20 mA transmitters with this module?

A: Yes. The 0…20 mA range covers 4…20 mA signals directly.

Q: How do I set the fallback value?

A: With a standard NIM, you can configure it via software. Basic NIMs default to 0.

Q: Is the sensor supply short‑circuit protected?

A: Yes. Each channel provides 100 mA with built‑in protection.

Q: What is the update time of the input data?

A: The module updates every 10 ms. Response time is 5 ms.

Q: Can I hot‑swap this module?

A: Yes, with a standard NIM. The system continues running.

Q: Do I need shielded cable for the inputs?

A: We recommend shielded twisted‑pair for long runs (> 30 m).

Q: What happens if I connect voltage instead of current?

A: This may cause incorrect readings or damage. Use current signals only.

Q: How long is the warranty?

A: 12 months against manufacturing defects.

Q: What shipping carriers do you use?

A: FedEx, UPS, and DHL. Orders ship within 12‑24 hours.

Q: Can I mount this module vertically?

A: Yes, any orientation is acceptable on DIN rail.

Q: Is this kit compatible with older STB bases?

A: Yes, it works with STBXBA1000 (included) and other standard bases.

Selection Guide – Which STB Analog Input Kit?

• STBACI1230K – 2 inputs, 0…20 mA, 12 bits (this kit)
• Need voltage inputs? Choose STBACI1220 (0…10 V).
• Need more channels? Select STBACI1235 (4 inputs).
• Need higher resolution? Consider STBACI1230 (16‑bit version).
• This kit includes both connector types – best value for new installations.

Compare with Similar Models

• STBACI1230K – 2 x 0…20 mA, 12 bits (this model)
• STBACI1220K – 2 x 0…10 V, 12 bits
• STBACI1235K – 4 x 0…20 mA, 12 bits
• STBACI1230 – module only (without base/connectors)

Ordering & Support

• Brand: Schneider Electric
• Model: STBACI1230K
• Type: Standard analog input kit
• Warranty: 12 months
• Shipping: 12‑24 hours via FedEx, UPS, or DHL

For questions or bulk orders:

• sales@powergearx.com
• +86 18030005825 (WhatsApp)

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