96
Scheme communication logic (ZCOM)
Chapter 4
Line distance
6.5
Input and output signals
Table 103: Input signals for ZCOM (ZCOM-) function block
Path in local HMI: ServiceReport/Functions/Impedance/ ZCommunication/FuncOutputs
Table 104: Output signals for ZCOM (ZCOM-) function block
6.6
Setting parameters
Path in local HMI: Settings/Functions/Groupn/Impedance/ZCommunication
Signal
Description
BLOCK
Blocks the Trip and CS outputs
CACC
Overreaching protection zone to be used as the local criterion for per-
missive tripping on receipt of the carrier signal
CSUR
Underreaching function(s) to be used for sending a carrier signal
CSOR
Overreaching function(s) to be used for sending a carrier signal
CSBLK
Reverse directed protection zone to be used for sending a carrier sig-
nal in a blocking scheme
CSNBLK
Forward directed protection zone to be used to inhibit sending of a
carrier signal in a blocking scheme
CR
Carrier signal received
CRG
Guard signal received
Signal
Description
TRIP
Trip output
CS
Carrier send
CRL
Carrier signal received
LCG
Loss of carrier guard signal
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: ......