Siemens SIMATIC S7-200, Системное руководство

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Technical specifications
A.5 Thermocouple and RTD expansion modules (EMs)
S7-200 SMART
758
System Manual, V2.3, 07/2017, A5E03822230-AF
A.5.2 RTD expansion modules (EMs)
EM RTD specifications
Table A- 124 General specifications
Technical data EM RTD 2 x 16 bit (EM AR02) EM RTD 4 x 16 bit (EM AR04)
Article number 6ES7288-3AR02-0AA0 6ES7288-3AR04-0AA0
Dimensions W x H x D (mm) 45 x 100 x 81 45 x 100 x 81
Weight 148.7 grams 150 grams
Power dissipation 1.5 W 1.5 W
Current consumption (SM Bus) 80 mA 80 mA
Current consumption (24 V DC)
1
40 mA 40 mA
Table A- 125 Analog inputs
Technical data EM RTD 2 x 16 bit (EM AR02) EM RTD 4 x 16 bit (EM AR04)
Number of inputs 2 4
Type Module referenced RTD and Ω Module referenced RTD and Ω
Range
Nominal range (data word)
Overshoot/undershoot range
(data word)
Overflow/underflow (data word)
See RTD Sensor selection table See RTD Sensor selection table
Resolution Temperature 0.1 °C / 0.1 °F 0.1 °C / 0.1 °F
Resistance 15 bits + sign bit 15 bits + sign bit
Maximum withstand voltage ±35 V ±35 V
Noise rejection 85 dB at 10 Hz / 50 Hz /60 Hz / 400 Hz 85 dB at 10 Hz / 50 Hz /60 Hz / 400 Hz
Common mode rejection >120 dB >120 dB
Impedance ≥10 M Ω ≥10 M Ω
Isolation Field side to
logic
500 V AC 500 V AC
Field to 24 V DC 500 V AC 500 V AC
24 V DC to logic 500 V AC 500 V AC
Channel to channel isolation 0 0
Accuracy See RTD Sensor selection table See RTD Sensor selection table
Repeatability ±0.05% FS ±0.05% FS
Maximum sensor dissipation 0.5 m W 0.5 m W
Measuring principle Sigma-delta Sigma-delta
Module update time See Noise reduction selection table See Noise reduction selection table