Bender rcm420 - Operation and Parameter Settings; Display and Operating Elements

Operation and setting
22
RCM420_D00057_03_M_ XXEN/03.2021
5. Operation and setting
5.1 Display elements in use
A detailed description of the meaning of the display elements in use is given
in the table below.
Display elements
in use
Ele-
ment
Function
RL
Reload function with memory = off (L = I.)
n
Transformation ratio factor for a second
external measuring current transformer
I2
Response value I
Δn2
as mA (Main alarm)
I1
Response value I
Δn1
as % of I
Δn2
(Prewarning)
r1, 1
r2, 2
Alarm relay K1
Alarm relay K2
I Hys,
%
Response value hysteresis as %
ton1,
ton2,
t,
toff
Response delay t
on1
(K1)
Response delay t
on2
(K2)
Starting delay t,
Delay on release t
off
for K2
M
Fault memory active
Relay operating mode K2
Password protection enabled