User Manual

Technical data
A.12 Technical data: LOGO! AM2 AQ
LOGO!
310 Manual, 06/2014, A5E33039675
LOGO! AM2 RTD
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 to +200 °C
-58 °F to +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: 0.5 mA
PT1000: 0.5 mA
Measurement rate Depends on the installation
Typ. 50 ms
Resolution
0.25 °C
Error limits (3-wire technique)
• 0 °C to +200 °C
• -50 °C to 200 °C
Of the final measured value:
• ± 2 °C
• ± 2 °C
Electrical isolation
No
Cable length (twisted)
Max. 10 m
Interference frequency suppression
50 Hz, 60 Hz
A.12
Technical data: LOGO! AM2 AQ
LOGO! AM2 AQ
Power supply
Input voltage
24 VDC