Table of Contents
Advertisement
Time delay settings
Each voltage element is associated to an independent time
delay.
Each measuring element time delay can be blocked by the
operation of a user defined logic (optical isolated) input (see
"Blocking logic1" or "Blocking logic2" functions).
Element
1st stage
2nd stage
Inverse Time Delay Characteristic
The inverse characteristic is defined by the following formula :
where :
t
TMS
V1
Vs
TMS
tRESET (only DT)
Definite time delay characteristics
tV1<
tV1<<
Hysteresis
Hysteresis fixed
Time delay type
Definite Time (DT) or IDMT
DT
⎛
⎜
⎜
TMS
=
t
⎜
V
⎜
1
−
⎜
V
⎝
S
= operating time in seconds
= time Multiplier Setting
= applied input voltage
= relay setting voltage
0,5... 100.0
0.00... 100.00s
0.00... 599.00s
0.00... 599.00s
105%
⎞
⎟
⎟
⎟
⎟
1
⎟
⎠
(by step: 0.5)
Advertisement
Chapters
Table of Contents
