Mitsubishi MELESEC-ST User Manual page 74

7 I/O MODULES
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(4) Connecting transistor output modules in parallel may cause output elements to fail.
Set the diodes, as shown below, when connecting transistor output modules in
parallel.
OUT1
OUT2
COM
OUT1
OUT2
COM
Sink type
(5) Caution points when using ST1Y2-TE8
Installing a fuse to each external terminal to prevent burn out of external devices
and modules in the case of a load short is recommended.
A rated voltage 3A fast type fuse is recommended.
Fuses confirmed for operation by this company are listed below.
Fuse Model
Rated current
Manufacturer
Load
OUT1
Load
OUT2
COM
OUT1
OUT2
COM
216 3.15
3.15A
Littelfuse, Inc
MELSEC-ST
Load
Load
Sourse type
312 003
3A
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