SIMATIC S7-200, Analog input EM 231, only for S7-22X CPU, 2 AI, Pt100/200/500/1000/10000, NI100/120/1000, CU10, Resistance 150/300/600 ohm, 15 bit+sign More
SIMATIC S7-200, Analog input EM 231, only for S7-22X CPU, 2 AI, Pt100/200/500/1000/10000, NI100/120/1000, CU10, Resistance 150/300/600 ohm, 15 bit+sign More
100 m; to the sensorAnalog inputs / Cable length, shielded, max.
71.2 mmDimensions and weight / Width
2Analog inputs / Number of analog inputs
Application and selection
Compare the complete order number and specifications below with the original part and machine wiring. Check the design, interfaces, supply voltage or connection method as applicable to this product.
Technical specifications
Manufacturer
Siemens
Order number
6ES7231-7PB22-0XA0
Current consumption / from load voltage L+ (without load), max.
60 mA
Current consumption / from backplane bus DC 5 V, max.
87 mA
Current consumption / Power loss, typ.
1.8 W
Connection point / pluggable I/O terminals
No
Analog inputs / Number of analog inputs
2
Analog inputs / Cable length, shielded, max.
100 m; to the sensor
Analog inputs / Loop resistance cable
20 Ω; max. 2.7 Ohm for Cu
Analog inputs / Updating time (all channels)
405 ms; 700 ms at Pt 10000
Analog inputs / Input ranges (rated values), resistors / 0 to 150 Ohm
Yes
Analog inputs / Input ranges (rated values), resistors / 0 to 300 Ohm
Yes
Analog inputs / Input ranges (rated values), resistors / 0 to 600 Ohm
Yes
Analog inputs / Input ranges (rated values), resistance thermometers / Cu 10
Yes
Analog inputs / Input ranges (rated values), resistance thermometers / Ni 10
Yes
Analog inputs / Input ranges (rated values), resistance thermometers / Ni 1000
Yes
Analog inputs / Input ranges (rated values), resistance thermometers / Ni 120
Analog value creation / Integrations and conversion time/resolutionper channel / Resolution with overload area (bit including sign), max.
16 Bit; Temperature 0.1 °C / 0.1 °F
Analog value creation / Integrations and conversion time/resolutionper channel / Interference voltage suppression for interference frequency f1 in Hz
85 dB at 50 / 60 / 400 Hz
Analog value creation / Displayable conversion value range / bipolar signals
-27,648 to +27,648
Errors/accuracies / Repeat accuracy in settled status at 25 °C (relative to input area)
+/- 0.05 %
Errors/accuracies / Operational limit in overall temperature range / Voltage, relative to output area
+/- 0.1 %
Errors/accuracies / Interference voltage suppression for f = n x (fl +/- 1 %), fl = interference frequency / common mode voltage, max.
0 V
Errors/accuracies / Interference voltage suppression for f = n x (fl +/- 1 %), fl = interference frequency / common mode voltage, min.
120 dB; at 120 V AC
Isolation / Isolation, analog inputs
Yes
Dimensions and weight / Width
71.2 mm
Dimensions and weight / Height
80 mm
Dimensions and weight / Depth
62 mm
Weights / Weight, approx.
210 g
Product description
Siemens SIMATIC S7-200 EM 231 RTD.
Connections and conditions of use
Current consumption / from load voltage L+ (without load), max.: 60 mA
Current consumption / from backplane bus DC 5 V, max.: 87 mA
Current consumption / Power loss, typ.: 1.8 W
Connection point / pluggable I/O terminals: No
Analog value creation / Integrations and conversion time/resolutionper channel / Resolution with overload area (bit including sign), max.: 16 Bit; Temperature 0.1 °C / 0.1 °F
Analog value creation / Integrations and conversion time/resolutionper channel / Interference voltage suppression for interference frequency f1 in Hz: 85 dB at 50 / 60 / 400 Hz
Analog value creation / Displayable conversion value range / bipolar signals: -27,648 to +27,648
Errors/accuracies / Operational limit in overall temperature range / Voltage, relative to output area: +/- 0.1 %
Scope of supply
We will confirm the exact version, package contents and related accessories before ordering. Package information in the technical table applies to the stated order number.
Frequently asked questions
Is the same product family enough to identify a replacement?
The complete order number is essential. If the type changes, compare the electrical and mechanical design, connections and requirements of the original application.
What information is needed to check connections and accessories?
Send a nameplate photo, the designations of related modules and connectors and, where needed, a wiring diagram. We will check the specific version for your application.
Can you assess a faulty part?
Yes. Send the complete order number and a description of the fault. We will check the diagnostic and professional repair options for your specific unit.
Why buy from FOXON
1
Replacement part availability
We will check current part availability and confirm the possible delivery date before you order.
2
New original and refurbished parts
We will specify the available version and condition of the particular unit in the quotation.
3
Parts with a warranty
We will confirm the warranty period according to the part condition and specific quotation.
4
Diagnostics and repairs
For a faulty unit, we will check the options for diagnostics and professional repair.
More than 3,500customers
We deliver tomore than 100 countries
Express delivery?We will check. Contact us now.
Part conditions available for sale
Part conditions and warranty
New, sealed (NC): Brand-new, unused part in unopened original packaging. 12-month warranty.
New, opened (NO): Brand-new and unused part, but the original packaging has been opened. 12-month warranty.
New, without packaging (NW): Brand-new and unused part, supplied without original packaging. 12-month warranty.
New (N): New and unused part, typically smaller components supplied in multi-packs in one original package. 12-month warranty.
Refurbished (R): Part has been removed from service, cleaned, inspected and tested to meet original functionality and quality. 12-month warranty.
Used, tested (T): Functional used part that has passed full testing. 6-month warranty.
Used (U): Functional used part. 3-month warranty.
Sales, repairs and buyback of automation parts
We supply replacement parts for industrial automation and assess faulty units for diagnostics and repair. We also buy surplus parts. Send the exact designation and required quantity.
