EM 231 CN Siemens


Brand:  Siemens
Model:  EM 231 CN Siemens |  6ES7 231 7PB22 0XA8
Specification:  SIMATIC S7-200 CN 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 this S7-200 CN product only has CE approval
Condition: Used / Refurbished.
Warranty: With one year warranty
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EM 231 CN Siemens Ready Stock Dhaka Bangladesh

6ES7 231 7PB22 0XA8

EM 231 CN Siemens 6ES7 231 7PB22 0XA8 , only for S7-22X CPU, 2 AI, Pt100/200/500/1000/10000, NI100/120/1000, CU10, Resistance 150/300/600 ohm, 15 bit+sign this S7-200 CN product only has CE approval.

Analog Expansion Modules Input Specifications

General EM 231 CN Siemens 6ES7 231 7PB22 0XA8
Data word format
Bipolar, full-scale range
Unipolar, full-scale range
(See Figure A-14)
–32000 to +32000
0 to 32000
DC Input impedance 10 Mvoltage input
250
current input
Input filter attenuation –3 db at 3.1 Khz
Maximum input voltage 30 VDC
Maximum input current 32 mA
Resolution
Bipolar
Unipolar
11 bits plus 1 sign bit
12 bits
Isolation (field to logic) None
Input type Differential
Input ranges
Voltage
Current
Selectable, see Table A-20 for available ranges
0 to 20 mA
Input resolution See Table A-20
Analog to digital conversion time < 250 µs
Analog input step response 1.5 ms to 95%
Common mode rejection 40 dB, DC to 60 Hz
Common mode voltage Signal voltage plus common mode voltage
must be
≤ ±12 V
24 VDC supply voltage range 20.4 to 28.8 VDC (Class 2, Limited Power, or sensor power from PLC)

Configuration for EM 231 CN Siemens 6ES7 231 7PB22 0XA8

Table A-20 shows how to configure the EM 231 module using the configuration DIP switches.
Switches 1, 2, and 3 select the analog input range. All inputs are set to the same analog input
range. In this table, ON is closed, and OFF is open. The switch settings are read only when the
power is turned on.
Table A-20 EM 231 Configuration Switch Table to Select Analog Input Range

Unipolar Full Scale Input
-Scale Input
Resolution
SW1 SW2 SW3
OFF ON 0 to 10 V 2.5 mV ON
ON OFF 0 to 5 V 1.25 mV
0 to 20 mA 5 µA
Bipolar Full Scale Input
-Scale Input
Resolution
SW1 SW2 SW3
OFF OFF ON ±5 V 2.5 mV
ON OFF ± 2.5 V 1.25 mV

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