
Digital modules
4.1 Module overview
S7-400 Automation System Module Data
94 Reference Manual, Edition 09/2009, A5E00850736-06
Table 4- 2 Digital output modules: overview of features
Features SM 422;
DO 16xDC
24 V / 2 A
(-1BH1x)
SM 422;
DO 16xDC
20-125 V/ 1.5
A
(-5EH10)
SM 422;
DO 32xDC
24 V / 0.5 A
(-1BL00)
SM 422;
DO 32xDC
24 V / 0.5 A
(-7BL00)
SM 422;
DO 8xAC
120/230 V/ 5
A
(-1FF00)
SM 422;
DO 16xAC
120/230
V/ 2 A
(-1FH00)
SM 422;
DO 16xAC
20-120 V/ 2
A
(-5EH00)
Number of
outputs
16 DO;
isolated in
groups of 8
16 DO;
isolated and
reverse
polarity
protection in
groups of 8
32 DO;
isolated in
groups of
32
32 DO;
isolated in
groups of
8
8 DO; isolated
in groups of 1
16 DO;
isolated in
groups of
4
16 DO;
isolated in
groups of
1
Output
current
2 A 1.5 A 0.5 A 0.5 A 5 A 2 A 2 A
Nominal load
voltage
24 VDC 20 to 125
VDC
24 VDC 24 VDC 120/230 VAC 120/230
VAC
20 to 120
VAC
Configurable
diagnostics
No Yes No Yes No No Yes
Diagnostic
interrupt
No Yes No Yes No No Yes
Substitution
value output
No Yes No Yes No No Yes
Special
features
For high
currents
For variable
voltages
High
packaging
density
Particularly
quick and with
interrupt
capability
For high
currents with
channel-
specific
isolation
- For variable
currents with
channel-
specific
isolation
Table 4- 3 Relay output module: overview of features
Features SM 422; DO 16 x UC 30/230 V/Rel. 5 A
(-1HH00)
Number of outputs 16 outputs, isolated in groups of 8
Load voltage 125 VDC
230 VAC
Special features -
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