Module With Protection Function - Mitsubishi MELESEC-ST User Manual

7 I/O MODULES

7.3.3 Module with protection function

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(1) The following restrictions apply when the thermal protection is activated by the
output module with protection functions.
The thermal protection indicates overload and overheat protection functions.
(a) ST1Y2-TPE3, ST1Y16-TPE3
Function
Common
(Overload and overheat
protection functions)
Overload protection
function
Overheat protection
function
• If an overcurrent keeps flowing due to overload, heat is
generated to activate the overheat protection function.
• Each protection function is designed to protect the internal
elements of the module, not the external equipment.
• The overload protection function is activated for each point in
terms of 3A to 5A/point.
• The overload protection function returns to normal operation
when the load becomes a rated load
• The overheat protection function is activated for each point.
• The overheat protection function automatically returns to
normal operation when heat reduces.
MELSEC-ST
Description
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