97
Scheme communication logic (ZCOM)
Chapter 4
Line distance
Table 105: Setting parameters for the scheme communication logic ZCOM (ZCOM-) func-
tion
6.7
Technical data
Table 106: ZCOM - Scheme communication logic for distance or overcurrent protection
Parameter
Range
Default
Unit
Description
Operation
Off /On
Off
-
Operating mode for ZCOM function
SchemeType
Intertrip / Per-
missiveUR /
Permissi-
veOR / Block-
ing
Intertrip
-
Operating mode for scheme communica-
tion logic
tCoord
0.000 -
60.000
Step: 0.001
0.050
s
Coordination timer
tSendmin
0.000 -
60.000
Step: 0.001
0.100
s
Minimum duration of carrier send signal
Unblock
Off / NoRe-
start / Restart
Off
-
Operating mode for unblocking logic
tSecurity
0.000 -
60.000
Step: 0.001
0.035
s
Security timer
Parameter
Setting range
Accuracy
Coordination timer, tCoord
0.000-60.000 s in steps of 1
ms
+/-0.5% +/-10ms
Minimum send time, tSendMin
0.000-60.000 s in steps of 1
ms
+/-0.5% +/-10ms
Security timer, tSec
0.000-60.000 s in steps of 1
ms
+/-0.5% +/-10ms
Summary of Contents for REL 501-C1 2.5
Page 1: ...Technical reference manual Line distance protection terminal REL 501 C1 2 5 ...
Page 2: ......
Page 26: ...14 Introduction to the technical reference manual Chapter 1 Introduction ...
Page 42: ...30 Technical data Chapter 2 General ...
Page 66: ...54 Blocking of signals during test BST Chapter 3 Common functions ...
Page 142: ...130 Time delayed overvoltage protection TOV Chapter 6 Voltage ...
Page 162: ...150 Autorecloser AR Chapter 9 Control ...
Page 174: ...162 Event function EV Chapter 10 Logic ...
Page 210: ...198 Serial communication Chapter 12 Data communication ...
Page 226: ...214 Serial communication modules SCM Chapter 13 Hardware modules ...
Page 230: ...218 Terminal diagrams Chapter 14 Diagrams Figure 87 REL 501 C1 with DC switch ...
Page 234: ...222 Terminal diagrams Chapter 14 Diagrams ...
Page 237: ......