
Reference PLX8x-MNET-61850 ♦ Communication Gateway
User Manual Modbus TCP/IP to IEC 61850
Page 140 of 228 ProSoft Technology, Inc.
May 14, 2014
6.1.3 Specifications - IEC 61850 Client
Supports up to 20 IEDs
Send commands from the PLC to the IED using Control Types
o Direct-with-normal-security
o Select Before Operate (SBO)-with-normal-security
o Direct-with-enhanced-security
o Select Before Operate (SBO)-with-enhanced-security
Buffered Report Control Block (BRCB)
Unbuffered Report Control Block (URCB)
Direct-with-normal-security
SBO-with-normal-security
Direct-with-enhanced-security
SBO-with-enhanced-security
IEC 61850 Logical Nodes, including Logical
Nodes for Hydro Power Plants and Logical
Nodes for Wind Power Plants
Status available per node
Report and GOOSE status available
High-level status data available from Modbus
TCP/IP Client ( for example PLC)
6.1.4 Specifications –SNTP/NTP Client
The gateway supports a Simple Network Time Protocol (SNTP/NTP) client
service that can synchronize the gateway’s time by periodic updates to a Co-
ordinated Universal Time (UTC) system. The user can configure the SNTP/NTP
server details in ProSoft 61850 Configuration Manager. The resolution of the time
is in milliseconds (ms).
SNTP/NTP server synchronization rate (in minutes)
SNTP/NTP Address
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