Place of Origin:
GERMANY
Brand Name:
SIEMENS
Model Number:
6ES7331-1KF01-0AB0
SIEMENS 6ES7331-1KF01-0AB0 SIMATIC S7-300, ANALOG INPUT SM 331:
SIMATIC S7-300, ANALOG INPUT SM 331, OPTICALLY ISOLATED, 8 AI, 13 BIT RESOLUTION, U/I/RESISTANCE/PT100, NI100, NI1000, LG-NI1000, 66 MS MODULE UPDATE, 1 X 40 PIN.
The 6ES7331-1KF01-0AB0 is an SM 331 analog input module from Siemens' SIMATIC S7-300 series, designed for precise conversion of analog signals into digital data for industrial automation. This module features 8 isolated analog input channels with 13-bit resolution, supporting both voltage (0-10 V) and current (4-20 mA) signals. It integrates channel-to-channel and channel-to-backplane isolation to ensure signal integrity and reduce interference. The module is housed in a compact form factor (40 mm width) and connects via a 20-pin front connector, suitable for central or distributed configurations in control cabinets. It supports diagnostic LEDs for channel status monitoring and uses STEP 7 software for parameterization, including signal range and data format adjustments.
| Product Series | SIMATIC S7-300 SM 331 Analog Input Module |
|---|---|
| Input Channels | 8 analog inputs (voltage/current selectable) |
| Resolution | 13 bits |
| Input Ranges |
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| Response Time | ≤ 0.5 ms (typical) |
| Isolation | Channel-to-channel and channel-to-backplane isolation |
| Power Supply | 24 V DC (backplane-powered) |
| Sensor Power | 24 V DC, 900 mA output |
| Power Loss | 3 W (typical) |
| Connection | 20-pin front connector, shielded sensor wires (max. 320 m @ 125 kHz) |
| Diagnostic Features | Alarm reporting, non-isolated |
| Configuration | STEP 7 software for parameterization (input type, data format, transmission rate) |
| Environmental | -20°C to 60°C operating temperature, RoHS compliant |
| Physical Dimensions | 40 mm (W) × 125 mm (H) × 120 mm (D), 235 g weight |
| Protection | IP20 rating, conformal coating for harsh environments |
| Compliance | CE, UL, and RoHS standards |
| Application Areas | Process automation, machinery control, and data-intensive manufacturing tasks |
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