Description
Product Description
Overview
The Emerson Redundant Ethernet I/O Card (EIOC) Assembly provides high-performance network connectivity and redundant operation for critical control systems. This assembly includes two EIOC cards, a dual horizontal carrier, two Ethernet isolation ports for twisted copper, and two power plugs, ensuring seamless integration and reliable data communication. It is ideal for systems requiring high availability and robust Ethernet I/O connectivity.
Key Features
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Redundant and simplex configurations for system resilience
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Dual horizontal carrier for modular installation
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Ethernet isolation ports support twisted copper cabling
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Compatible with Modbus TCP, EtherNet/IP, IEC61850 MMS, and OPC UA Client protocols
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Supports up to 256 Ethernet devices and 32,000 signals from connected devices
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IP30 protection for enhanced electrical safety
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Fits one or two slots on a dual universal carrier
Technical Specifications
| Parameter |
Specification |
| Model |
Redundant Ethernet I/O Card (EIOC) Assembly |
| Input Power (Simplex) |
325 mA maximum |
| Input Power (Redundant) |
575 mA maximum |
| Supply Voltage |
+24 VDC ±10% |
| Heat Dissipation (Simplex) |
7 W maximum |
| Heat Dissipation (Redundant) |
13 W maximum |
| Communication Protocols |
Modbus TCP, EtherNet/IP, IEC61850 MMS, OPC UA Client |
| Maximum Devices Supported |
256 Ethernet devices |
| Maximum Signals Supported |
32,000 signals |
| Operating Temperature |
-40°C to +70°C |
| Storage Temperature |
-40°C to +85°C |
| Relative Humidity |
5%–95%, non-condensing |
| Shock Resistance |
10 g, half-sine wave, 11 ms |
| Vibration Resistance |
1 mm peak-to-peak (5–13.2 Hz), 0.7 g (13.2–150 Hz) |
| Mounting |
One or two slots on Dual Universal Carrier |
| Protection Class |
IP30 |
Applications
Designed for high-availability control networks, the assembly is suitable for process control, monitoring, and distributed automation systems. Redundant operation ensures continuous data flow and reduces downtime during maintenance or fault conditions.
FAQ
Q: How many devices can this EIOC assembly support?
A: The assembly can support up to 256 Ethernet devices and 32,000 signals from connected devices.
Q: Can the system operate if one card fails?
A: Yes, redundant configuration ensures continuous operation even if one EIOC card fails.
Q: What protocols are supported for communication?
A: Modbus TCP, EtherNet/IP, IEC61850 MMS, and OPC UA Client are fully supported.
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