Siemens Simantic ET 200S - Page 62

Digital electronic modules
3.5 4DI 24 VDC/SRC Standard digital electronic module (6ES7131-4BD51-0AA0)
ET 200S
3-18 Manual, Edition 10/2005, A5E00514527-01
Galvanic isolation
• Between the channels
no
• Between the channels and backplane bus
Yes
Permissible potential difference
• Between the different circuits
75 VDC / 60 VAC
Insulation test voltage 500 VDC
Current consumption
• From supply voltage
Dependent on the sensor
Power dissipation of the module Typically 0.7 W
Status, interrupts, diagnostics
Status display Green LED per channel
Diagnostics function no
Sensor supply output
Output voltage
• With load
max. M +0.5 V
Output current
• Rated value
500 mA
• Permitted range
0 to 500 mA
Data for selecting a sensor
Input voltage
• Rated value
24 VDC
• For signal "1"
-15 to -30 V
1
• For signal "0"
30 to -5 V
1
Input current
• At signal "1"
typ. 7 mA (for 24 V)
Input delay
• At "0" to "1"
typ. 3 ms (2.0 to 4.5 ms)
• At "1" to "0"
typ. 3 ms (2.0 to 4.5 ms)
Input characteristic curve according to IEC 61131, type 1
Connection of two-wire BEROs supported
• Permitted bias current
max. 1.5 mA
1
Reference potential is L+