Em 231 Configuration Switch Table To Select Analog Input Range; Em 235 Configuration Switch Table To Select Analog Input Range And Resolution - Siemens SIMATIC S7-200 System Manual

Configuration for EM 231
Table A-12 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.
Table A-12
SW1
ON
SW1
OFF OFF
Configuration for EM 235
Table A-13 shows how to configure the EM 235 module using the configuration DIP
switches. Switches 1 through 6 select the analog input range and resolution. All
inputs are set to the same analog input range and format. Table A-14 shows how
to select for unipolar/bipolar (switch 6), gain (switches 4 and 5), and attenuation
(switches 1, 2, and 3). In these tables, ON is closed, and OFF is open.
Table A-13
SW1
ON
OFF
ON
OFF
ON
ON
OFF
SW1
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
S7-200 Programmable Controller System Manual
A5E00066097-02

EM 231 Configuration Switch Table to Select Analog Input Range

Unipolar
SW2
OFF
ON ON
Bipolar
SW2
OFF
ON

EM 235 Configuration Switch Table to Select Analog Input Range and Resolution

Unipolar
SW2 SW3 SW4
OFF OFF ON
ON OFF ON
OFF OFF OFF
ON OFF OFF
OFF OFF OFF
OFF OFF OFF
ON OFF OFF
Bipolar
SW2 SW3 SW4
OFF OFF ON
ON OFF ON
OFF ON ON
OFF OFF OFF
ON OFF OFF
OFF ON OFF
OFF OFF OFF
ON OFF OFF
OFF ON OFF
Full-Scale Input F ll Scale Inp t
SW3
ON 0 to 10 V
0 to 5 V
OFF OFF
0 to 20 mA
Full-Scale Input F ll Scale Inp t
SW3
ON 5 V
OFF 2.5 V
Full-Scale Input F ll Scale Inp t
SW5 SW6
OFF ON 0 to 50 mV
OFF ON 0 to 100 mV
ON ON 0 to 500 mV
ON ON 0 to 1 V
OFF ON 0 to 5 V
OFF ON 0 to 20 mA
OFF ON 0 to 10 V
Full-Scale Input F ll Scale Inp t
SW5 SW6
OFF OFF +25 mV
OFF OFF +50 mV
OFF OFF +100 mV
ON OFF +250 mV
ON OFF +500 mV
ON OFF +1 V
OFF OFF +2.5 V
OFF OFF +5 V
OFF OFF +10 V
S7-200 Specifications
Resol tion Resolution
2.5 mV
1.25 mV
5 µA
Resolution Resol tion
2.5 mV
1.25 mV
Resolution Resol tion
12.5 V
25 V
125 V
250 V
1.25 mV
5 A
2.5 mV
Resol tion Resolution
12.5 V
25 V
50 V
125 V
250 V
500 V
1.25 mV
2.5 mV
5 mV
A-43