SIEMENS
10/152
Siemens IC 10 · 2017
Relays
SIRIUS 3RS14, 3RS15 temperature monitoring relays for IO-Link
Relays, digitally adjustable for 1 sensor
10
■
Technical specifications
✓
Available
--
Not available
1)
Not for NTC type B57227-K333-A1 (100 °C: 1.8 k
; 25 °C: 32.762 k
).
2)
Two-wire connection of resistance sensors with wire jumper between
T2 and T3.
Type
3RS1440
3RS1540
Auxiliary circuit
Rated operational currents
I
e
• AC-15/24 ... 250 V
A
3
• DC-13 at
-
24 V
A
1
-
125 V
A
0.2
-
250 V
A
0.1
Evaluation unit
Measuring accuracy at 20 °C ambient temperature
(T20)
<
2 K,
1 digit
<
5 K,
1 digit
Reference point accuracy
--
<
5 K
Deviations due to ambient temperature
In % of the measuring range
%
0.05 °C per K deviation from T20
Measuring cycle
ms
500
Hysteresis settings
for temperature
K
1 ... 99, for both values
Adjustable delay time
s
0 ... 999.9
Sensor circuit
Typical sensor current
• PT100
mA
Typically 1
--
• PT1000/KTY83/KTY84/NTC
mA
Typically 0.2
--
Open-circuit detection
✓
1)
✓
Short-circuit detection
✓
--
Three-wire conductor connection
✓
2)
--
Enclosure
Rated insulation voltage
U
i
Pollution degree 2
V AC
300
© Siemens AG 2016