ABB CM Series

9
IV Function diagrams
a) ON-delayed over- and undervoltage
monitoring, 1 x 2 c/o contacts
b) OFF-delayed over- and undervoltage
monitoring, 1 x 2 c/o contacts
25-26
25-28
L1, L2, L3
15-16
15-18
> U
> U - 5 %
< U + 5 %
< U
t
s
<t
v
<t
v
t
v
2CDC 252 091 F0207
F1: red LED
F2: red LED
R/T: yellow LED
Measured value
t
s
= start-up delay fixed 200 ms
t
v
= adjustable tripping delay
L1, L2, L3
15-16
15-18
L1, L2, L3 L1, L2
L3
t
s
t
v
t
v
<t
v
25-26
25-28
2CDC 252 092 F0207
F1: red LED
F2: red LED
R/T: yellow LED
Measured value
Unbalance
Unbalance -Hyst.
Unbalance +Hyst.
Unbalance
t
s
= start-up delay fixed 200 ms
t
v
= adjustable tripping delay
e) ON-delayed
phase unbalance monitoring
25-26
25-28
L1, L2, L3
15-16
15-18
t
s
<t
v
<t
v
t
v
L1, L2, L3 L1, L2
L3
2CDC 252 093 F0207
F1: red LED
F2: red LED
R/T: yellow LED
Measured value
Unbalance
Unbalance -Hyst.
Unbalance +Hyst.
Unbalance
t
s
= start-up delay fixed 200 ms
t
v
= adjustable tripping delay
f) OFF-delayed
phase unbalance monitoring
25-26
25-28
L1, L2, L3
15-16
15-18
L1, L2, L3 L1, L2, L3 L1, L2, L3 L1, L2, L3L1, L3, L2 L1, L2 L1
L3 L2, L3t
s
2CDC 252 094 F0207
F1: red LED
F2: red LED
R/T: yellow LED
Measured value
t
s
= start-up delay fixed 200 ms
g) Phase sequence and phase failure monitoring
L1, L2, L3
15-16
15-18
25-26
25-28
> U
> U - 5 %
< U + 5 %
< U
t
s
t
v
t
v
<t
v
2CDC 252 006 F0207
F1: red LED
F2: red LED
R/T: yellow LED
Measured value
t
s
= start-up delay fixed 200 ms
t
v
= adjustable tripping delay
c) ON-delayed over- and undervoltage
monitoring, 2 x 1 c/o contact
d) OFF-delayed over- and undervoltage
monitoring, 2 x 1 c/o contact
L1, L2, L3
15-16
15-18
25-26
25-28
> U
> U - 5 %
< U + 5 %
< U
t
s
<t
v
<t
v
t
v
2CDC 252 007 F0207
F1: red LED
F2: red LED
R/T: yellow LED
Measured value
t
s
= start-up delay fixed 200 ms
t
v
= adjustable tripping delay
L1, L2, L3
15-16
15-18
> U
> U - 5 %
< U + 5 %
< U
t
s
t
v
t
v
<t
v
25-26
25-28
2CDC 252 090 F0207
F1: red LED
F2: red LED
R/T: yellow LED
Measured value
t
s
= start-up delay fixed 200 ms
t
v
= adjustable tripping delay
햲
햳
햴
햵
햶
햷
햸
햹
햺
햻
햽
햲
햳
햴
햵
햶
햷
햸
햹
햺
햻
햽
햲
햳
햴
햵
햶
햷
햸
햹
햺
햻
햽
햲
햳
햴
햵
햶
햷
햸
햹
햺
햻
햽
햲
햳
햴
햵
햶
햷
햸
햹
햺
햻
햽
햲
햴
햶
햹
햷
햸
햺
햻
햲
햳
햴
햵
햶
햷
햸
햹
햺
햻
햽