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Siemens 6ED1050-1AA00-0BE8 Manual De Usuario

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Technical data 
 
A.12 Technical data: LOGO! AM2 RTD 
 
LOGO! 
340
 
Manual, 04/2011, A5E03556174-01 
A.12 
Technical data: LOGO! AM2 RTD 
 
 
LOGO! AM2 RTD 
Power supply 
Input voltage 
12/24 V DC 
Permissible range 
10.8 ... 28.8 V DC 
Power consumption 
30 ... 40 mA 
Voltage failure buffering 
typ. 5 ms 
Power loss at 
• 
12 V 
• 
24 V 
 
• 
0.36 ... 0.48 W 
• 
0.72 ... 0.96 W 
Electrical isolation 
No 
Reverse polarity protection 
Yes 
Ground terminal  
for connecting ground and shielding of the measuring 
line 
Sensor inputs 
Number 
2 
Type 
PT100 or PT1000 with the default temperature 
coefficient of α = 0.003850 for both types, or 
compatible sensors 
Connection of sensors 
• 
2-wire technique 
• 
3-wire technique 
 
• 
Yes 
• 
Yes 
Measurement range 
-50 °C... +200 °C 
-58 °F ... +392 °F 
Settings for the measurement display on 
the LOGO! Basic: 
• 
1 °C steps 
• 
0.25 °C steps 
(rounded to one decimal) 
• 
1 °F steps 
• 
0.25 °F steps 
(rounded to one decimal) 
 
 
• 
Offset: -50, Gain: 0.25 
• 
Offset: -500, Gain: 2.50 
 
• 
Offset: -58, Gain: 0.45 
• 
Offset: -580, Gain: 4.50 
Curve linearization 
No 
Measuring current Ic 
Pulse current signal: 
PT100: 1.141 mA (cycle time = 2.3 ms) 
PT1000: 0.5 mA (cycle time = 2.3 ms) 
Measurement rate 
depends on the installation 
typical: 50 ms 
Resolution 
0.25 °C 
Error limits 
• 
0 °C ... +200 °C 
• 
-50 °C ... 0 °C 
of the final measured value: 
• 
± 2 °C 
• 
± 3 °C 
Electrical isolation 
No