Product Description
Key Features
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8-channel analog input module for versatile sensor signal acquisition
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Each channel individually configurable for voltage, current, RTD, or thermocouple
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Supports standard signal types:
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Voltage: ±10 V, 0–10 V
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Current: 0–20 mA, 4–20 mA
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RTD: Pt100, Pt1000, Ni100, etc.
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TC: Type K, J, T, etc.
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16-bit resolution ensures precise analog measurement
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Integrated diagnostics for wire break, overrange, and sensor faults
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Channel isolation to prevent cross-interference
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Parameterized and monitored using TIA Portal
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LED indicators for status and fault monitoring
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Ideal for temperature, pressure, flow, and level measurement applications
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DIN rail mount with S7-1500 backplane bus connection
Technical Specifications
| Specification Category | Details |
|---|---|
| Product Type | Analog Input Module (AI) |
| Siemens Article Number | 6ES7531-7QD00-0AB0 |
| Series | SIMATIC S7-1500 |
| Input Channels | 8 (individually configurable) |
| Signal Types Supported | Voltage, Current, RTD, Thermocouple |
| Resolution | 16 bits |
| Measuring Ranges | ±10 V, 0–10 V, 0–20 mA, 4–20 mA, various RTD/TC types |
| Diagnostics | Yes (per channel) |
| Isolation | Channel-to-bus and between channels (selectively) |
| Voltage Supply | From backplane bus |
| Mounting Type | DIN rail (S7-1500 system) |
| Dimensions (W x H x D) | 35 mm × 147 mm × 129 mm |
| Protection Rating | IP20 |
| Operating Temperature | -25°C to +60°C |
| Certifications | CE, UL, cUL, KC |
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