3UG4622-1AW30 Datasheet, PDF (89/114 Pages) List of Unclassifed Manufacturers – Monitoring and Control Devices

Monitoring Relays
3RS10, 3RS11 Temperature Monitoring Relays
General data
Window monitoring (digital units only)
■ Characteristic curves
Once the temperature has reached the upper threshold J1, the
output relay K1 changes its output state as soon as the set time t ^{For thermocouples}
has elapsed. The relay returns to its original state as soon as the
temperature reaches the set hysteresis value.
80
K2 responds in the same manner to the lower threshold of J2.
70
60
Type "E"
Closed-circuit principle
NSB01331c
J1
J2
Us
K1
t
K2
t
t
50
40
30
Type "T"
20
10
0
0 200 400 600 800 1000
For resistance sensors
Type "J"
Type "K"
Type "N"
1200 1400 1600
Temperature in °C
Principle of operation with memory function (3RS10 42,
3RS11 42), based on the example of temperature
undershoot using the closed-circuit principle
Once the temperature has reached the set threshold J1, the
output relay K1 changes its output state as soon as the set time
t has elapsed (K2 responds in the same manner to J2). The
relays only return to the original state when the temperature falls
below the set hysteresis value and when terminals Y3 and Y4
have been briefly jumpered.
N S B 0_01332d
J1
J2
Us
Y 3 -Y 4
K1
t
K2
t
t
5000
4000
3000
2000
1000
0
-100
NTC
KTY83 KTY84 PT1000
PT100
0
100 200
300 400
500
Temperature in °C
Siemens LV 1 T · 2006
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