Digital modules
3.1 Module overview
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
3-5
Module
Properties
SM 322;
DO 16 x DC
24 V/ 0.5 A
(-8BH00-)
(-8BH01-)
SM 322; DO 8
x DC 24 V/ 2 A
(-1BF01-)
SM 322; DO 8
x DC 24 V/0.5
A, with
diagnostic
interrupt
(-8BF00-)
SM 322; DO
8 x DC 48-
125 V/ 1.5 A
(-1CF00-)
SM 322;
DO 8 x AC 120/
230 V/2A
(-1FF01-)
SM 322;DO 8 x
AC120/ 230 V/
2A ISOL
(-5FF00-)
Suitable for... solenoid valves, DC contactors and signal lamps AC solenoid valves, contactors,
motor starters, FHP motors and
signal lamps.
Supports
isochronous mode
No No No No No No
Programmable
diagnostics
function
Yes No Yes No No Yes
Diagnostic interrupt Yes No Yes No No Yes
Substitution value
output
Yes No Yes No No Yes
Special features Redundant
load control
is supported
- Redundant
load control is
supported
- Fuse tripping
indication
Replaceable
fuse for each
group
-
* A description of this module can be found in Manual ET 200M signal modules for process
automation. You will find this manual online at:
http://support.automation.siemens.com/WW/view/de/7215812.
Overview of properties
The table below shows the essential properties relay output modules
Table 3-5 Relay output modules
Module
Properties
SM 322; DO 16 x Rel.
AC 120 V
(-1HH01-)
SM 322; DO 8 x Rel.
AC 230 V
(-1HF01-)
SM 322; DO 8 x Rel.
AC 230 V/ 5 A
(-5HF00-)
SM 322; DO 8 x Rel.
AC 230 V/ 5 A
(-1HF10-)
Number of outputs 16 outputs, electrically
isolated in groups of 8
8 outputs, electrically
isolated in groups of
2
8 outputs, electrically
isolated in groups of
1
8 outputs, electrically
isolated in groups of
1
Rated load voltage 24 VDC to 120 VDC,
48 VAC to 230 VAC
24 VDC to 120 VDC,
48 VAC to 230 VAC
24 VDC to 120 VDC,
24 VAC to 230 VAC
24 VDC to 120 VDC,
48 VAC to 230 VAC
Suitable for... AC/DC solenoid valves, contactors, motor starters, FHP motors and signal lamps
Supports isochronous
mode
No
No No No
Programmable
diagnostics function
No
No Yes No
Diagnostic interrupt No
No Yes No
Substitution value output No
No Yes No
Special features -
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