Self-Healing Ethernet Ring Solution - ABB REU615 Product Manual

Voltage Protection and Control
REU615
Product version: 4.0
connections are supported. Termination and pull-
up/down resistors can be configured with jumpers
on the communication card so external resistors
are not needed.
The IED supports the following time
synchronization methods with a time-stamping
resolution of 1 ms:
Ethernet-based:
• SNTP (Simple Network Time Protocol)
Client A
Managed Ethernet switch
with RSTP support
RED615
GUID-AB81C355-EF5D-4658-8AE0-01DC076E519C V3 EN
Figure 7.

Self-healing Ethernet ring solution

16
With special time synchronization wiring:
• IRIG-B (Inter-Range Instrumentation Group -
In addition, the IED supports time synchronization
via the following serial communication protocols:
• Modbus
• DNP3
• IEC 60870-5-103
REF615 RET615
Time Code Format B)
REU615
1MRS757058 D
Client B
Network
Network
Managed Ethernet switch
with RSTP support
REM615
ABB