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Phone：+86 15383419322Description
The GE-8521-LC-MT is a dual-channel Ethernet communication interface module for GE’s VersaMax® PLC and I/O systems, engineered to bridge legacy industrial networks with modern TCP/IP infrastructure. This rugged module enables seamless integration of VersaMax racks into plant-wide SCADA and DCS environments through simultaneous support of Modbus TCP protocol and Ethernet Global Data (EGD). The GE-8521-LC-MT features two independent 10/100 Mbps RJ45 ports with built-in switch functionality, allowing daisy-chained topologies that reduce cabling costs by 40% in distributed control applications. Its non-volatile memory retains configuration during power loss, while diagnostic LEDs provide real-time status of network traffic, errors, and module health. With -20°C to +70°C operation and 1.5kV channel-to-bus isolation, this module delivers robust connectivity for water treatment plants, packaging lines, and discrete manufacturing where deterministic data exchange is critical.
GE 8521-LC-MT
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE-8521-LC-MT |
| Manufacturer | GE (Emerson) |
| Product Type | Dual Ethernet Communication Module |
| Protocols | Modbus TCP Server/Client, SRTP, EGD |
| Ports | 2× 10/100BASE-TX (auto-MDIX, RJ45) |
| Switching Capacity | 1 Gbps non-blocking |
| Isolation | 1500V AC port-to-backplane |
| Configuration | DIP switches + software settings |
| Network Services | DHCP, DNS, ICMP, SNMPv3 |
| Concurrency | 32 Modbus TCP connections |
| Power Consumption | 120mA @ 5V DC (backplane) |
| Operating Temperature | -20°C to +70°C |
| Certifications | UL 508, CE, RoHS, IEC 61131-2 |
| Vibration Resistance | 5g @ 10-150 Hz (IEC 60068-2-6) |
Main Features and Advantages
Dual-Network Redundancy: The GE-8521-LC-MT supports parallel ring topologies via its integrated switch ports, enabling <10ms network failover without PLC intervention. VLAN tagging (IEEE 802.1Q) isolates control traffic from IT networks.
Protocol Flexibility: Concurrent Modbus TCP and EGD operation allows legacy HMI integration while enabling real-time peer-to-peer data exchange between VersaMax CPUs. Embedded web server provides configuration access without proprietary software.
Cybersecurity Hardening: Role-based access control with 256-bit encryption meets NERC CIP requirements. Port security locks MAC addresses to prevent unauthorized device access. Signed firmware updates prevent malware injection.
Application Field
The GE-8521-LC-MT enables IIoT connectivity across industries:
Water/Wastewater Management:
SCADA integration of pump station PLCs
Real-time tank level monitoring via Modbus TCP
Remote diagnostics of chemical dosing systems
Discrete Manufacturing:
Robotic cell data collection for OEE tracking
Press line safety system networking
Vision inspection system integration
Energy Infrastructure:
Solar farm inverter monitoring
Building management system gateways
Substation RTU communications
Food & Beverage:
Batch recipe synchronization across lines
CIP system performance analytics
Packaging machine OPC UA tunneling
Related Products
IC200CPUE05: VersaMax CPU with embedded Ethernet
GE-8520-RS485: Profibus-DP communication module
IC670CHS002: 8-port managed Ethernet switch
GE-8551-BO-DP: DeviceNet output module
VersaMax Pro HMI: Local operator interface
PACSystems RX3i: Advanced controller for EGD networking
GE-8571-PS120: 120V AC power supply
GE 8521-LC-MT
Installation and Maintenance
Pre-installation preparation: Configure DIP switches for node address (1-63), verify CAT5e/6 cable shielding, and assign IP addresses via Proficy Machine Edition software. Ensure chassis ground ≤ 0.1Ω.
Maintenance recommendations: Monitor port utilization through SNMP traps. Update GE-8521-LC-MT firmware annually using Emerson’s Secure Firmware Loader. Clean RJ45 ports quarterly with contact enhancer in dusty environments.
