Event name Overvoltage Protection (During Constant Speed) Event code 087E0000 hex
Meaning Overvoltage occurred during constant speed.
Source EtherCAT Master Function Mod-
ule
Source details Slave Detection tim-
ing
Continuously
Error attrib-
utes
Level Minor fault Recovery Error reset Log category System log
Effects User program Continues. Operation Motor stops.
Indicators EtherCAT NET RUN EtherCAT NET ERR EtherCAT LINK/ACT
--- --- ---
System-de-
fined varia-
bles
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
(1) The inverter’s power supply
voltage exceeds the specified
range.
Measure the input voltage.
→ Decrease the power supply
voltage to within the specified
range.
→ If the power supply voltage is
within the specified range, there
is a possibility of an inverter fail-
ure.
Input the correct voltage.
(2) A surge current occurred the
input power supply
.
When the phase advance capac-
itor is turned ON or OFF in the
same power supply system, or
when the thyristor converter op-
erates, the input voltage may
transiently become abnormally
high (i.e., surge).
→ Install a DC reactor.
Install a DC reactor
.
Appendices
A-235
M1 Series EtherCAT Type User’s Manual (I670)
A-5 Sysmac Error Status Codes
A
A-5-2 Error Descriptions
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