Specifications For The Em 231, Em 232, And Em 235 Analog Input, Output, And Combination Modules - Siemens SIMATIC S7-200 System Manual

A.11 Specifications for the EM 231, EM 232, and EM 235 Analog
Input, Output, and Combination Modules
Table A-11 Specifications for EM 231, EM 232, EM 235 Analog Input, Output, and Combination Modules
Description
Order Number 6ES7 231-0HC20-0XA0
Input Specifications
General Specifications
Dimensions (W x H x D) 71.2 mm x 80 mm x 62 mm
Weight 183 g
Power loss (dissipation) 2 W
Number of physical I/O 4 analog input points
Power Consumption
From +5 VDC (from I/O 20 mA
bus)
From L+ 60 mA
L+ voltage range, Class 20.4 to 28.8
2 or DC sensor supply
LED indicator 24 VDC Power Supply
Good
ON = no fault,
OFF = no 24 VDC power
Analog Input Specifications
Data word format (see Figure A-21)
Bipolar, full-scale range -32000 to +32000
Unipolar,full-scale range 0 to 32000
Input impedance 10 MΩ
Input filter attenuation -3 db @ 3.1 Khz
Maximum input voltage 30 VDC
Maximum input current 32 mA
Resolution 12 bit A/D converter
No. of Analog Input Points 4
Isolation (Field side to None
logic circuit)
Input type Differential
Input ranges
Voltage (unipolar)
0 to 10 V, 0 to 5 V
Voltage (bipolar)
5 V,
Current 0 to 20 mA
Input Resolution see Table A-5
Voltage (unipolar)
Voltage (bipolar)
Current
< 250 µs
Analog to digital
conversion time
Analog input step 1.5 ms to 95%
response
Common mode rejection 40 dB, DC to 60 Hz
Common mode voltage Signal voltage plus
common mode voltage
(must be 12 V)
S7-200 Programmable Controller System Manual
A5E00066097-02
EM 231 AI4 x 12 Bit EM 232 AQ2 x 12 Bit
6ES7 232-0HB20-0XA0
Output Specifications
46 mm x 80 mm x 62 mm
148 g
2 W
2 analog output points
20 mA
70 mA (with both outputs at 20
mA)
20.4 to 28.8
24 VDC Power Supply Good,
ON = no fault,
OFF = no 24 VDC power
2.5 V
S7-200 Specifications
EM 235 AI4/AQ1 x 12 Bit
6ES7 235-0KD20-0XA0
Input Specifications Output Spec.
71.2 mm x 80 mm x 62 mm
186 g
2 W
4 analog input points, 1 analog output point
30 mA
60 mA (with output at 20 mA)
20.4 to 28.8
24 VDC Power Supply Good,
ON = no fault,
OFF = no 24 VDC power
(see Figure A-21)
-32000 to +32000
0 to 32000
10 MΩ
-3 db @ 3.1 Khz
30 VDC
32 mA
12 bit A/D converter
4
None
Differential
0 to 10 V, 0 to 5 V,
0 to 1 V, 0 to 500 mV,
0 to 100 mV, 0 to 50 mV
10 V, 5 V, 2.5 V,
1 V, 500 mV,
250 mV, 100 mV,
50 mV, 25 mV
0 to 20 mA
see Table A-13
< 250 µs
1.5 ms to 95%
40 dB, DC to 60 Hz
Signal voltage plus
common mode voltage
(must be 12 V)
A-39