IEC 61850 Ethernet Communication Module

Protocol Support IEC 61850 Client as per PICs and MICs specifications

CPU Compatibility RX3i CPUs with firmware version 8.05 or higher 

(CRU320, CPU320, CPU315, CPE305, CPE310)

Proficy* Machine Edition Compatibility Machine Edition 8.0 SIM 7

Power Requirements 3.3V: 1.2 A with no SFP devices installed

1.9 A maximum (2 SFP devices installed, 0.35 A per 

SFP device)

5V: 1.1 A maximum

Operating Temperature Range 0 to 60°C 

Derated to 57°C: 

• if 100 MB Fiber SFPs installed, or 
• if Copper SFPs operating at 1 GB.

Number of Port Connectors Two RJ-45 and Two SFP Cages 

(SFP devices not included, available separately.)

Micro USB Connector One, for communication with a computer using 

Command Line Interface.

Local Area Network (LAN) IEEE 802.2 Logical Link Control Class I

IEEE 802.3 CSMA/CD Medium Access Control 

10/100/1000 Mbps

CPU Status Bits 32 

Polling Rate^2 Configurable for every IED connection from 0 to 31267 

msec (default is 1000 msec).

Number of IP Addresses One

Number of MAC Addresses Five. One per external port and one internal.

Network Topologies Supported Star (switched), linear (daisy-chain)

Time Synchronization SNTP Client – Multicast and Broadcast

System Maximum Limits

ECM850s per RX3i CPU Four (4). All must be located in main rack. (Use in 

remote or expansion racks not supported).

No of IED connections supported per ECM850 32

No of IED connections supported per RX3i CPU 128

Maximum I/O Memory per ECM850 32 Kbytes of combined Input/Output memory

Maximum I/O Memory per RX3i CPU 128 Kbytes of combined Input/Output memory

No of PLC Protocol Variables1 (PPVs) per ECM850 5000

No of PPVs per RX3i CPU 20000

Hot-swappable Yes

>>> REFER TO TECHNICAL DOCUMENT: ic695ecm850-manual-pdf