Siemens SENTRON 3WA - Page 33

Parameterization and remote control
4.1 Parameterization of the protection parameters
3WA Air Circuit Breaker Communication
System Manual, 11/2021, 92310000004-02
31
Example: Protection parameter ST, setting Isd
Parameter for Isd Settable via Parameter
set
Register Read / write
Setting I
sd
Source: Rotary switch position or e.SET
Rotary switches
A
0x1F46
Read-only
Setting I
sd
for e.SET
ETU600 display / com-
munication
A
0x1F4E
Read / write
Setting Isd ETU600 display / com-
munication
B 0x1F55 Read / write
ST reference point I
ST
ETU600 display / com-
munication
A
0x1F49
Read / write
ST reference point I
ST
ETU600 display / com-
munication
B
0x1F57
Read / write
Example of setting:
• I
r = 1000 A
• I
r e.SET = 8888 A (register 0x1F4E)
1. The rotary switch is at the position "2.5"
Setting for I
sd (register 0x1F46) is 2.5 x Ir 1000 A = 2500 A.
2. The rotary switch is at the position "e.SET"
Setting for I
sd (register 0x1F46) is 8888 A.