6ES7231-7PF22-0XA0 EM 231, 8AI, +/-80 MV, 15 BITS

6ES7231-7PF22-0XA0 EM 231, 8AI, +/-80 MV, 15 BITS

Product Code: 6ES7231-7PF22-0XA0

Availability: In Stock

Price: $325.00
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EM 231 analog input module

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SIMATIC S7-200, T/C INPUT MOD. EM 231, FOR S7-22X CPU ONLY, 8 AI, +/-80 MV AND THERMOCOUPLE TYPE J,K,S,T,R,E,N; 15BIT+VORZ.
Input current
from load voltage L+ (without load), max. 60 mA
from backplane bus 5 V DC, max. 87 mA
Power losses
Power loss, typ. 1.8 W
Analog inputs
Number of analog inputs 8
permissible input voltage for voltage input (destruction limit), max. 30 V
Loop resistance cable 100 Ω
Updating time (all channels) 810 ms
Input ranges
Voltage Yes
Current No
Thermocouple Yes
Resistance thermometer No
Resistance No
Input ranges (rated values), voltages
-80 mV to +80 mV Yes
Input resistance (-80 mV to +80 mV) 1 MΩ
Input ranges (rated values), thermoelements
Type E Yes
Type J Yes
Input resistance (type J) 1 MΩ
Type K Yes
Input resistance (Type K) 1 MΩ
Type N Yes
Input resistance (Type N) 1 MΩ
Type R Yes
Input resistance (Type R) 1 MΩ
Type S Yes
Input resistance (Type S) 1 MΩ
Type T Yes
Input resistance (Type T) 1 MΩ
Cable length
Cable length, shielded, max. 100 m; to the sensor
Analog value creation
Measurement principle Sigma Delta
Integrations and conversion time/resolution per channel
Resolution with overrange (bit including sign), max. 16 bit; Temperature 0.1 °C / 0.1 °F
Interference voltage suppression for interference frequency f1 in Hz 85 dB at 50 / 60 / 400 Hz
Displayable conversion value range
bipolar signals -27.648 to +27.648
Errors/accuracies
cold connection point +/-1,5 °C
Repeat accuracy in steady state at 25 °C (relative to input area), (+/-) 0.05 %
Operational limit in overall temperature range
Voltage, relative to output area, (+/-) 0.1 %
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
common mode voltage, max. 120 V; AC
Common mode interference, min. 120 dB; At 120 V DC
Interrupts/diagnostics/status information
Diagnostics indication LED
External fault EXTF (red) Yes
Group error SF (red) Yes
Galvanic isolation
Galvanic isolation analog inputs
Galvanic isolation analog inputs Yes
Permissible potential difference
between inputs and MANA (UCM) 500 V AC
between M internally and the inputs 500 V AC
Connection method
Plug-in I/O terminals No
Dimensions
Width 71.2 mm
Height 80 mm
Depth 62 mm
Weights
Weight, approx. 210 g
Status Jun 16, 2014

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