RED615 
AT REMOTE 
END
SOTF
SOTF
COMMUNICATION
Protocols:
  IEC 61850-8-1
  Modbus
®
  IEC 60870-5-103
  DNP3
Interfaces:
  Ethernet:  TX (RJ45), FX (LC)
  Serial:  Serial glass fiber (ST),  
    RS-485, RS-232
Redundant protocols:
  HSR
  PRP
  RSTP
CONDITION MONITORING 
AND SUPERVISION
ALSO AVAILABLE
- Binary Signal Transfer function (BST)
- Disturbance and fault recorder
- Event log and recorded data
- Local/Remote push button on LHMI
- Self-supervision  
- Time synchronization: IEEE 1588 v2, 
SNTP, IRIG-B
- User management
- Web HMI
OR
AND
LINE DIFFERENTIAL PROTECTION AND CONTROL RELAY
PROTECTION
LOCAL HMI
STANDARD
CONFIGURATION
R
L
ClearESC
I
O
Configuration A
System
HMI
Time
Authorization
R
L
ClearESC
I
O
U12  0. 0 kV
P  0.00 kW
Q  0.00 kVAr
IL2   0  A
A
With in-zone power transformer support
RED615
B
3I>/Io>BF
51BF/51NBF
CONTROL AND INDICATION 
1)
MEASUREMENT
Object Ctrl 
2)
Ind 
3)
CB
DC
ES
1)
 Check availability of binary inputs/outputs  
from technical documentation
2)
 Control and indication function for  
primary object
3)
 Status indication function for 
  primary object
1 -
2 3
1 2
- I, Io, Uo
- Limit value supervision
- Load profile record
- Symmetrical components
4
1
O→I
79
GUID-6AB801FF-A43F-40D6-8D70-D27EF2F402B0 V2 EN
Figure 2. Functionality overview for standard configuration B