Programmable safety controls
The MSI 420 is a model of Safety control, falling under the category of Programmable safety controls,.
Description and Explanation
The MSI 420 is a core component for safety concepts, supporting applications up to the highest safety classifications, specifically Performance Level (PL) e in accordance with EN ISO 13849-1, Category 4, and SIL 3 (or SILCL 3) in accordance with IEC 61508 and EN IEC 62061,.
Key Features and Functionality:
- I/O Capacity: The device provides 16 safe inputs (IN), 4 safe outputs (OUT), and 4 programmable I/Os,.
- Scalability: The MSI 420 is designed to be expandable with up to 12 I/O modules,.
- Configuration and Software: It is configured via mini USB or Ethernet (TCP/IP),. Configuration is done using the license-free MSI.designer software, supporting 40 certified function modules and up to 300 function modules in a project,.
- Data Management: It features program memory in SD card format (512 MB),.
- Diagnostics: The device offers various diagnostic functions, including configurable reports, integrated simulation with logic analyzer, and online diagnosis,. Diagnostic data can also be transferred via external fieldbus gateways,.
Tabular Overview
| Specification | MSI 420 Safety control |
|---|---|
| Type of Article | Safety control / Safety control, |
| Safety Level (PL/Category) | Up to and including PL e / Category 4, |
| SIL/SILCL | 3, |
| Number of Safe I/Os | 16 IN, 4 OUT, 4 programmable I/O, |
| Max. Switching Power per Output | ≤ 4 A, |
| Total Output Current, max. | 4 A, |
| Supply Voltage (UB) | 24 V, DC, |
| Interface | Ethernet, USB, |
| Ambient Temperature (Operation) | -25 ... 65 °C, |
| Dimensions (W x H x L) | 45 mm x 96.5 mm x 121 mm or 45 mm x 107 mm x 121 mm, |
| Type of Terminal | Screw terminal or Spring-cage terminal, |
| Key Functions/Features | Expandable with up to 12 I/O modules,; Program memory in SD card format (512 MB),; Freely configurable with MSI.designer,; Integrated simulation with logic analyzer, |