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| Place of Origin: | U.K. |
| Brand Name: | Siemens |
| Certification: | COO & COC |
| Model Number: | 6ES7550-1AA00-0AB0 |
6ES7550-1AA00-0AB0 SIEMENS SIMATIC S7-1500 Technical Function Module TM Count 2x24V
Siemens SIMATIC S7-1500 Technical Function Module TM Count 2x24V (Order Number: 6ES7550-1AA00-0AB0) is a high-speed counting module specially designed for high-precision motion control and process monitoring. This module provides two independent 24 V DC high-speed counting channels. Each channel can handle pulse signals up to 100 kHz at most. It supports multiple working modes, including single-phase counting, two-phase (orthogonal) counting, frequency measurement, period measurement and speed calculation. It is widely used in industrial scenarios such as positioning, speed measurement, flow measurement and rotational speed monitoring.
Product Overview: Siemens 6ES7550-1AA00-0AB0
| Product Overview | Siemens 6ES7550-1AA00-0AB0 |
| Manufacturer | Siemens AG – Digital Industries |
| Product Family | SIMATIC ET 200MP / S7-1500 I/O System |
| Order Number | 6ES7550-1AA00-0AB0 |
| Component Type | Front Connector (24-pin, Screw Terminal) |
| Terminal Type | Screw terminals – requires flat-blade screwdriver for installation |
| Pin Count | 24 pins – designed for compact digital and analog I/O modules |
| Wire Cross-Section Range | 0.14 mm² to 2.5 mm² (AWG 24–12) |
| Recommended Wiring | Stranded wires with insulated ferrules for optimal performance and safety |
| Housing Color | Light gray – standard for screw-type front connectors in the ET 200MP series |
| Mechanical Coding | Yes – ensures correct alignment and prevents mismating with incompatible modules |
| Reusability | Fully reusable; retains all field connections during I/O module replacement |
| Mounting | Snap-in design onto compatible 24-pin ET 200MP base units (e.g., BU15-PD00A00) |
| Operating Temperature | –25°C to +60°C |
| Certifications | CE, UL, cUL, KC, EAC, RoHS compliant |
Product details pictures
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