Siemens SIPROTEC 4 7SJ61 Manual page 234

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