Bender rcm420 User Manual

Operation and setting
26
RCM420_D00057_03_M_ XXEN/03.2021
5.5 Display in menu mode
Parameter query and setting: overview
Menu item Adjustable parameter
AL
Response values query and setting:
– Residual current I2 (I
Δn2
) (AL2)
– Residual current I1 (I
Δn1
) (AL1)
– Hysteresis of the response values: % Hys
out
Configuration of the fault memory and the alarm relays:
– Activate/deactivate the fault memory or assign conti-
nuous mode (on/off/con)
– Select N/O operation (n.o.) or N/C operation (n.c.)
individually for each K1/K2
– Specify the number of the reload cycles
– Assign the alarm category I1 (I
Δn1
) or I2 (I
Δn2
), relay
test or device error individually to K1/K2 (1, r1/ 2, r2).
t
Set delays:
– Response delay t
on1
/t
on2
– Starting delay t
– Delay on release t
off
(LED, relay)
SEt
Device control parameter setting:
– Select the appropriate parameter for response values:
overcurrent mode (HI), undercurrent mode (Lo) or
window mode (In).
– Set the correction factor n
RCM
(n) for additional casca-
ded current transformer
– Enable or disable password protection, change the
password.
– Restore factory settings.
– Service menu SyS blocked
InF
Query hard and software version

Bender rcm420 Specifications

General

Brand	Bender
Model	rcm420
Category	Monitor
Language	English