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SIMATIC S7 Ex Analog Modules
Analog Output SM 332; AO 4 x 0/4...20 mA
Dimensions and Weight
Dimensions W x H x D (mm) 40 x 125 x 120
Weight
Module-specific data
approx. 280 g
Number of outputs 4
Line length, shielded max. 200 m
Type of protection PTB [EEx ib] IIC
(see Appendix A)
to EN 50020
Test number Ex-96.D.2026 X
Type of protection FM CL I, DIV 2,
(see Appendix B)
Voltages, currents, potentials
GP A, B, C, D T4
Bus power supply
5 V DC
Rated load voltage L+ 24 V DC
Reverse voltage protection yes
Isolation
Between channels and
backplane bus
yes
Between channels and load
voltage L+
yes
between channels yes
Between backplane bus
and load voltage L+
yes
Permissible difference in potential (UISO) of signals
from hazardous area
Between channels and 60 V DC
backplane bus
30 V AC
Between channels and load 60 V DC
voltage L+
30 V AC
between channels 60 V DC
30 V AC
Between backplane bus 60 V DC
and load voltage L+ 30 V AC
3-72
Voltages, currents, potentials continued
Permissible difference in potential (UISO) for signals
from non-hazardous area
between channels and
backplane bus
Between channels and load
voltage L+
400 V DC
250 V AC
400 V DC
250 V AC
Between channels 400 V DC
250 V AC
Between backplane bus
and load voltage L+
Insulation tested
Channels with respect to
backplane bus and load
voltage L+
Channels among each
other
Backplane bus with respect
to load voltage L+
Current input
from backplane bus
From load voltage L+
(at rated data)
75 V DC
60 V AC
with 1500 V AC
with 1500 V AC
with 500 V DC
max. 80 mA
max. 180 mA
Module power loss typical 4 W
Analog value formation
Resolution (incl. overrange) 15 Bit
Cycle time (all channels)
Transient recovery time
9.5 ms
for resistive load 0.2 ms
for capacitive load 0.5 ms
for inductive load 0.2 ms
Substitute values switchable yes, configurable
I/O Modules with Intrinsically-Safe Signals
C79000-G7076-C152-04