EasyManua.ls Logo

Siemens SIPROTEC 4 7SJ61 - Page 234

Siemens SIPROTEC 4 7SJ61
456 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
[prinzip-ausloesekreisueberwachung-1-binein-150502-kn, 1, en_US]
Figure 3-2
Trip circuit supervision with one binary input
This results in an upper limit for the resistance dimension, R
max
, and a lower limit R
min
, from which the optimal
value of the arithmetic mean R should be selected:
[formel-mittelwert-r-260602-kn, 1, en_US]
In order that the minimum voltage for controlling the binary input is ensured, R
max
is derived as:
[formel-rmax-260602-kn, 1, en_US]
So the circuit breaker trip coil does not remain energized in the above case, R
min
is derived as:
[formel-rmin-260602-kn, 1, en_US]
Ι
BE (HIGH)
Konstantstrom bei angesteuerter BE (= 1,8 mA)
V
BI min
minimum control voltage for BI
V
high
≥ 19 V and V
low
≤ 10 V
for delivery setting for nominal voltages of DC 24 V/ 48 V/ 60 V/ 110 V/ 125 V;
V
high
≥ 88 V and V
low
≤ 44 V
for delivery setting for nominal voltages of DC 110 V/ 125 V/ 220 V/ 250V and AC 115 V bis 250
V;
V
high
≥ 176 V and V
low
≤ 88 V
for delivery setting for nominal voltages of DC 220 V/ 250 V and AC 115 V/ 230 V
Mounting and Commissioning
3.1 Mounting and Connections
234 SIPROTEC 4, 7SJ61, Manual
C53000-G1140-C210-6, Edition 05.2016

Table of Contents

Related product manuals