II - DCE FEL ČVUT v Praze

Digital output SM 322; DO 4 x 24V/10mA
Dimensions and Weight
Dimensions
W x H x D (mm)
40 x 125 x 120
Weight approx. 230 g
Module-specific data
Number of outputs 4
Line length, shielded max. 200 m
Type of protection PTB
(see Appendix A)
[EEx ib] IIC to EN 50020
Test number Ex-96.D.2093 X
Type of protection FM CL I, DIV 2,
(see Appendix B) GP A, B, C, D T4
Voltages, currents, potentials
Bus power supply
Rated load voltage L+
Reverse voltage
protection
Total current of outputs
Horizontal
arrangement up to
60 C
Vertical arrangement
up to 40 C
5 V DC
24 V DC
yes
No restrictions
No restrictions
Galvanic 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
backplane bus
Between channels and
load voltage L+
60 V DC
30 V AC
60 V DC
30 V AC
Between channels 60 V DC
30 V AC
Between backplane
bus and load voltage
L+
60 V DC
30 V AC
I/O Modules with Intrinsically-Safe Signals
C79000-G7076-C152-04
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
Between load voltage
L+ and backplane bus
Current input
From backplane bus
From load voltage L+
(at rated data)
SIMATIC S7 Ex Digital Modules
75 V DC
60 V AC
with 1500 V AC
with 1500 V AC
with 500 V DC
max. 70 mA
max. 160 mA
Module power loss typical 3 W
Status, interrupts, diagnostics
Status indication
Outputs green LED per channel
Interrupts
Diagnostic interrupt configurable
Diagnostic functions
Group fault indication red LED (SF)
Channel fault
indication
red LED (F) per channel
Diagnostic functions
readout
possible
Monitoring for
Short-circuit I 10 mA (10%)
Wire break I 0.15 mA
2-17