Relay Output Modules - Siemens SIMATIC Manual

3.1.3

Relay output modules

Overview of properties
The table below shows the essential properties relay output modules
Table 3- 7 Relay output modules
Properties
Number of outputs
Rated load voltage
Suitable for...
Supports isochronous
mode
Programmable
diagnostics function
Diagnostics interrupt
Substitution value output
Special features
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
SM 322; DO 16 x Rel. SM 322; DO 8 x Rel.
AC 120 V AC 230 V
(-1HH01-) (-1HF01-)
16 outputs, electrically 8 outputs, electrically
isolated in groups of 8 isolated in groups of
2
24 VDC to 120 VDC, 24 VDC to 120 VDC,
48 VAC to 230 VAC 48 VAC to 230 VAC
AC/DC solenoid valves, contactors, motor starters, FHP motors and signal lamps
no no
no no
no no
no no
-
Module
SM 322; DO 8 x Rel.
AC 230 V/ 5 A
(-5HF00-)
8 outputs, electrically
isolated in groups of
1
24 VDC to 120 VDC,
24 VAC to 230 VAC
no
yes
yes
yes
Digital modules
3.1 Module overview
SM 322; DO 8 x Rel.
AC 230 V/ 5 A
(-1HF10-)
8 outputs, electrically
isolated in groups of
1
24 VDC to 120 VDC,
48 VAC to 230 VAC
no
no
no
no
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