Limited Stock
Siemens
SIMATIC S7-200 EM 231 Analog Input Module
6ES7 231-0HC22-0XA0
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Category
Analog I/O Module
Availability
Limited Stock
Status
Active
Recommended Replacement
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Product Description
SIMATIC S7-200 EM 231 is an analog input expansion module providing 4 analog inputs for voltage or current signals. This module enables S7-200 CPUs to interface with pressure transducers, temperature sensors, and flow meters. The EM 231 was discontinued in October 2017 but remains vital for process industries. Supports unipolar and bipolar input ranges with 12-bit resolution for precise measurement applications.
Technical Specifications
Analog Inputs
4
Input Type
Voltage or Current (switches)
Voltage Ranges
0-10V, 0-5V, ±5V, ±2.5V
Current Ranges
0-20mA, 4-20mA
Resolution
12-bit A/D converter
Conversion Time
<250 μs
Accuracy
±0.5% of full scale
Isolation
500V AC (field to logic)
Power Consumption
2 W
Dimensions
46 x 80 x 62 mm
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