Products Description




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Technical Specifications
| Item | Specification |
|---|---|
| Model | ABB AX645 (Ordering No. 3BHB001914R0001) |
| Type | Analog Input Module |
| Product Category | PLC / DCS I/O Module |
| Product Family | ABB S800 I/O System |
| Function | Provides isolated analog input channels for process signal measurement |
| Number of Input Channels | 4 channels |
| Supported Signal Types | Configurable for voltage (0–10 V, 0–5 V, ±10 V) and current (0/4–20 mA) |
| Input Resolution | High-resolution analog conversion |
| Input Accuracy | Industrial-grade precision measurement |
| Input Impedance | Appropriate impedance for voltage and current signals |
| Isolation | Galvanic isolation between channels and system backplane |
| Status Indication | LED indicators for module power and channel status |
| Mounting Method | DIN rail or S800 I/O rack mounting via terminal base |
| Field Wiring Connection | Screw terminal or plug-in terminal base |
| Operating Temperature Range | –20 °C to +60 °C |
| Storage Temperature Range | –40 °C to +70 °C |
| Protection Rating | IP20 |
| Housing Material | Industrial-grade plastic |
| Application Environment | Industrial automation and process control cabinets |
| Compatibility | ABB S800 I/O system and compatible controllers |
| Dimensions | Approx. 22 mm × 115 mm × 100 mm (W × H × D) |
| Weight | Approximately 0.32 kg |
FAQ
FAQ
Q1: What is the primary function of the ABB AX645 module?
It provides four isolated analog input channels for measuring process signals such as voltage or current in industrial automation systems.
Q2: How many input channels does the AX645 support?
The module supports 4 independent analog input channels.
Q3: What types of analog signals can this module measure?
It can measure a variety of analog signals including 0–10 V, 0–5 V, ±10 V voltage inputs and 0/4–20 mA current inputs.
Q4: Does the AX645 provide electrical isolation?
Yes, it offers galvanic isolation between individual channels and between channels and the system backplane.
Q5: How are field signals connected to this module?
Field wiring connects through screw terminal blocks or a plug-in terminal base for secure installation.
Q6: Does the module include status indication?
Yes, it includes LED indicators to show module power status and individual channel activity or faults.
Q7: Can this module operate in harsh industrial environments?
Yes, it is designed for industrial automation use within its specified temperature and environmental range.
Q8: What are the physical dimensions and weight of the AX645?
The module measures approximately 22 mm wide, 115 mm high, 100 mm deep, and weighs about 0.32 kg.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
