IEC 61850 or
function name
ANSI Function description Line differential
RED650 (A11)
ZCPSCH 85 Scheme communication logic with delta based blocking scheme signal
transmit
1
ZCRWPSCH 85 Current reversal and weak-end infeed logic for distance protection 1
ZCLCPSCH Local acceleration logic 1
ECPSCH 85 Scheme communication logic for residual overcurrent protection 1
ECRWPSCH 85 Current reversal and weak-end infeed logic for residual overcurrent
protection
1
2.6 Basic IED functions
GUID-C8F0E5D2-E305-4184-9627-F6B5864216CA v13
Table 4: Basic IED functions
IEC 61850 or function
name
Description
INTERRSIG Self supervision with internal event list
TIMESYNCHGEN Time synchronization module
BININPUT,
SYNCHCAN,
SYNCHGPS,
SYNCHCMPPS,
SYNCHLON,
SYNCHPPH,
SYNCHPPS, SNTP,
SYNCHSPA
Time synchronization
TIMEZONE Time synchronization
IRIG-B Time synchronization
SETGRPS Number of setting groups
ACTVGRP Parameter setting groups
TESTMODE Test mode functionality
CHNGLCK Change lock function
SMBI Signal matrix for binary inputs
SMBO Signal matrix for binary outputs
SMAI1 - SMAI12 Signal matrix for analog inputs
3PHSUM Summation block 3 phase
ATHSTAT Authority status
ATHCHCK Authority check
AUTHMAN Authority management
FTPACCS FTP access with password
GBASVAL Global base values for settings
ALTMS Time master supervision
ALTIM Time management
COMSTATUS Protocol diagnostic
1MRK 505 393-UEN B Section 2
Application
Line differential protection RED650 2.2 IEC 35
Application manual