Siemens SCALANCE M874-3 Industrial Cellular Router Data Module
Manufacturer: Siemens
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Part Number: 6GK5874-3AA00-2AA2
Condition：New with Original Package
Product Type: Industrial Cellular Routers
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Siemens SCALANCE M874-3 Industrial Cellular Router
The Siemens SCALANCE M874-3 (6GK5874-3AA00-2AA2), also cataloged as the SCALANCE M874-3 Industrial Cellular Router, operates as a dedicated hardware component for wireless IP communication within industrial automation networks. It executes HSPA+ cellular routing, packet filtering, and data forwarding via two integrated Ethernet ports and standard SMA antenna interfaces.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | SCALANCE M874-3 |
| Brand | Siemens |
| Order Number | 6GK5874-3AA00-2AA2 |
| Origin | Germany |
| Weight | 0.377 kg |
| Dimensions | 147 x 35 x 127 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | 8 W maximum |
| Supply Voltage | 24 V DC nominal (10.8 to 28.8 V DC) |
| Maximum Current Consumption | 330 mA at rated supply voltage |
| Cellular Technology | 3G (HSPA+), GSM, GPRS, EDGE, UMTS |
| Ethernet Interfaces | 2 x RJ45 ports (integrated switch) |
| Protection Rating | IP20 |
Industrial Network Routing and Firmware Compatibility
The unit executes deterministic packet handling, supporting virtual private network (VPN) tunneling, firewall security policies, and network address translation (NAT) across distributed Ethernet segments. Firmware updates are managed via local flash interfaces to maintain compatibility with legacy cellular infrastructure. The hardware processes incoming digital signals via dedicated terminal blocks, translating hardware states into network-accessible boolean variables.
Frequently Asked Questions
Q: What is the maximum current consumption of the unit under rated supply voltage?
A: The device draws a maximum current of 330 mA at the 24 V DC nominal supply voltage.
Q: Does the unit support hot-swapping of communication interfaces?
A: No, physical Ethernet and antenna interfaces do not support hot-swapping; power must be disconnected before modifying wiring connections or replacing the antenna.
Q: What are the acceptable mounting configurations for this hardware module?
A: The unit supports standard 35 mm DIN rail mounting, S7-300 rail mounting, S7-1500 rail mounting, and direct wall mounting configurations.
Field Installation Guidelines
- Mount the device vertically on a standard 35 mm DIN rail or appropriate S7 mounting rail, ensuring adequate vertical clearance above and below the enclosure for passive thermal convection within the -20 deg C to +60 deg C operational range.
- Connect the 24 V DC power supply to the designated terminal blocks, verifying correct polarity and ensuring the voltage remains within the permissible 10.8 to 28.8 V DC range.
- Attach external cellular antennas to the 50 ohm SMA connectors, ensuring proper grounding and physical separation from high-voltage power cables to minimize electromagnetic interference.
- Terminate shielded Ethernet cables securely into the RJ45 switch ports, maintaining proper shield continuity to ground to preserve data integrity in high-noise industrial environments.