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SI-EM3
The Yaskawa SI-EM3 is an AC drive communication module designed for Modbus TCP/IP. It handles multi-register read and write operations and can support up to 16 registers per transaction. Users can configure IP settings through either the drive keypad or a network.
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Technical specifications for SI-EM3
| Manufacturer | Yaskawa |
|---|---|
| Product Line | A1000 |
| Part Number | SI-EM3 |
| Weight | 0.06 lbs (0.03 kg) |
| Series | AC Motors |
| Product Category | AC Drive Communication Module (Modbus TCP/IP) |
| Supported Commands | Multi-register read/write (03H, 06H, 10H, 17H), max 16 registers per operation |
| Option Certification | Modbus-IDA compliant |
| Connector Type | RJ45 8-pin, shielded Cat 5e cable |
| Isolation Feature | Isolated physical layer |
| IP Address Setup | Configurable via drive keypad or network |
| Network Speed | 10/100 Mbps, auto-negotiation |
| Connection Capacity | 10 Modbus TCP/IP, 2 web access sessions |
| Duplex Options | Half-forced, auto-negotiation, full-forced |
| Address Initialization | Static, BOOTP, DHCP |
| Ambient Operating Range | -10°C to +50°C (14°F to 122°F) |
| Humidity Endurance | Max 95% RH, no condensation |
| Storage Temperature | -20°C to +60°C (-4°F to 140°F) |
| Environmental Suitability | Indoor use, no oil, gas, dust, sunlight |
| Altitude Limitation | Up to 1000 m (3280 ft) |
The SI-EM3 from Yaskawa is classified as a communication module specifically for AC drives, with capabilities for Modbus TCP/IP protocols. This device allows for versatile commands, including multi-register reading and writing. Up to 16 registers can be accessed in a single operation. The module meets Modbus-IDA compliance standards, ensuring compatibility with various systems. It uses an 8-pin RJ45 connector and requires a shielded Cat 5e cable for optimal performance.
It incorporates an isolated physical layer for added safety and reliability. Users can set up the IP address conveniently via the drive’s keypad or through network-based configuration. The module supports network speeds of up to 100 Mbps, with auto-negotiation features for seamless connections. Its connection capacity allows for up to 10 simultaneous Modbus TCP/IP connections and 2 web access sessions.
Duplex options are flexible, offering half-forced, auto-negotiation, and full-forced modes to cater to different networking requirements. Initialization options for addresses include static, BOOTP, and DHCP methods, enhancing adaptability in diverse environments. Operating within a temperature range of -10°C to +50°C (14°F to 122°F) and a maximum humidity level of 95% without condensation, it is suitable for various indoor applications, provided it avoids exposure to oil, gas, dust, and sunlight. The storage temperature ranges from -20°C to +60°C (-4°F to 140°F), ensuring that the module remains functional under varying conditions. This communication module operates efficiently at altitudes up to 1000 meters (3280 feet).
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