Siemens SIMATIC ET 200M Operating Instructions Manual page 118

Maintenance and service
7.9 Exchanging fuses in digital output modules
7.9 Exchanging fuses in digital output modules
Fuses for Digital Outputs
The digital outputs of the following digital output modules are safeguarded (in channel
groups) against a short circuit by means of uses:
● Digital output SM 322; DO 16 x AC120/230V
● Digital output SM 322; DO 8 x AC120/230V
Replacement fuses
If you must change the fuses, then, for example, you can use the following fuses:
● Fuse 8 A, 250 V
● Fuse holder (e.g. Wickmann 19 653)
Position of the Fuses
The digital output modules have one fuse per channel group. The fuses are located at the
left side of the digital output module. The figure shows you where to find the fuses on the
digital output modules.
①
Figure 7-3
116
(e.g. Wickmann 19 194-8 A; Schurter SP001.013; Littlefuse 217.008)
1
Fuses
Location of the fuses on digital output modules
Operating Instructions, 12/2008, EWA-4NEB780600602-08
ET 200M