ABB CM-IWN.1 Instructions d'utilisation et d'installation - Page 11
Parcourez en ligne ou téléchargez le pdf Instructions d'utilisation et d'installation pour {nom_de_la_catégorie} ABB CM-IWN.1. ABB CM-IWN.1 20 pages. Insulation monitoring relays
Imprimer la page
VI Function diagrams
a) Insulation resistance monitoring w/o fault storage e, auto reset, 1 x 2 c/o
A1-A2
S1-S3
S2-S3
Measured value
Hysteresis
Threshold value
Open-circuit principle
U: green LED
F: red LED
R: yellow LED
Closed-circuit principle
U: green LED
F: red LED
R: yellow LED
b) Insulation resistance monitoring with fault storage f, manual reset, 1 x 2 c/o
Measured value
Hysteresis
Threshold value
Open-circuit principle
U: green LED
F: red LED
R: yellow LED
Closed-circuit principle
U: green LED
F: red LED
R: yellow LED
t
h
s
11-14
11-12
21-24
21-22
g
11-14
11-12
21-24
21-24
t
= Start-up time, fixed, min. 15 s
s
A1-A2
S1-S3
S2-S3
t
h
s
11-14
11-12
21-24
21-22
g
11-14
11-12
21-24
21-24
t
= Start-up time, fixed, min. 15 s
s
j
j
t
s
11