Undertemperature Monitoring, 2 X 1 C/O; Overtemperature Monitoring, 2 X 1 C/O; Undertemperature Monitoring, 1 X 2 C/O - ABB CM serie Betriebs- Und Montageanleitung

IV Function diagrams
a) Overtemperature monitoring, 1 x 2 c/o
A1-A2
Threshold 1
Hysteresis
Measured value
Open-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
Closed-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
b) Overtemperature monitoring, 2 x 1 c/o
A1-A2
Threshold 1
Hysteresis
Threshold 2
Hysteresis
Measured value
Open-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
Closed-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
c) Undertemperature monitoring, 1 x 2 c/o
A1-A2
Measured value
Hysteresis
Threshold 2
Open-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
Closed-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
d) Undertemperature monitoring, 2 x 1 c/o
A1-A2
Measured value
Hysteresis
Threshold 1
Hysteresis
Threshold 2
Open-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
Closed-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
e) Window temperature monitoring, 1 x 2 c/o
A1-A2
Threshold 1
Hysteresis
Measured value
Hysteresis
Threshold 2
Open-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
Closed-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
g) Window temperature monitoring, 2 x 1 c/o
A1-A2
Threshold 1
Hysteresis
Measured value
Hysteresis
Threshold 2
Open-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
Closed-circuit
principle
11-14
11-12
21-24
21-22
U: green LED
: red LED
R: yellow LED
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