Technical specifications
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Voltages, currents, electrical potentials
Number of inputs
8
Electrical isolation
● Between channels and backplane bus
Yes
● Between channels
No
Permissible potential difference
● between different external circuits
60 V DC, 30 V AC
Current consumption
● From supply voltage (power bus) with 8 x NAMUR sensors max. 70 mA
● from power supply (power bus) with unconnected contact max. 90 mA
Power loss from the module
● with 8 x NAMUR sensors
0.84 W
● with unconnected contact
1.1 W
Status, interrupts, diagnostics
Status display
● Inputs
Green LED for each channel
Interrupts
● Hardware interrupt
No
● Diagnostic interrupt
Yes, can be set
Diagnostic functions
● Group error display
Red "SF" LED
Digital electronic modules
12.1 Digital electronics module 8 DI NAMUR
ET 200iSP
240
Operating Instructions, 11/2017, A5E00247483-07