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Digital Input Module
SIMATIC S7-300
Digital input SM 321
isolated, 16 DI
24 V DC,
1x 20-pole
Analog output module
SIMATIC S7-200 SMART
Analog output SM AQ04
4 AO, +/-10 V, 11 bitresolution
or 4-20 mA, 11 bit resolution
Rated value (DC) 24 V
permissible range, lower limit (DC) 20.4 V
permissible range, upper limit (DC) 28.8 V
Current consumption, max. 103 mA
from backplane bus 5 V DC, max. 61 mA
Power loss, typ. 2.7 W
Field Device Coupler
Field Device Coupler
FDC 157 physical interface
for PROFIBUS PA or Foundatio
Fieldbus H1 integrated bus supply up to 1000 mA
with redundancy capabilityintegrated
diagnostics Degree of protection
IP20 for extended temperature range