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6 Operating Instructions
AC800 Series Intelligent Machine Controller Hardware User Guide
6 Operating Instructions
6.1 Power-on
safety precautions
◆ Do not touch the terminal when the power is on. Failure to comply may result in electric shock.
◆ Do not disassemble this product. Especially when the power is on or shortly after the power is turned o. Because
high voltage can be generated by the voltage boost inside the power supply, which may cause electric shock. In
addition, internal sharp parts and high temperatures may cause injuries.
It takes about 15 to 25 or 70 to 80 seconds from power-on to entering the operating mode. During
this period, the output remains OFF or a value corresponding to module/slave settings, and external
communication is unavailable. To avoid malfunction of external devices, you should construct a fail-safe
circuit with "Output during Operation" of the power supply unit
.
6.1.1 PLC Startup
The PLC becomes operable after the following time since power-on. Before the PLC enters the operating
state, the RUN LED indicator is o.
PLC startup time after power-on
■ If the programming port (enp1s0) is set to a static IP address, it takes about 15 to 25 seconds for the
PLC to enter operating mode.
■ If the programming port (enp1s0) is set to a DHCP-assigned address, but no DHCP server or network
connection is available, it takes about 70 to 80 seconds for the PLC to enter operating mode.
1) Some EtherCAT slaves allow you to set the maximum waiting time (1–200s), but the
PLC only becomes operable when the EtherCAT master starts operation, regardless
of the waiting time.
2) The EtherCAT master function module treats a slave that has not been activated
within the maximum waiting time as an error.
6.1.2 Operation when PLC is Operable
If there is an app when the PLC becomes operable, the PLC enters operating state immediately. You can
also change the setting to make the PLC to enter stop state instead. If the operation mode of the user
program (App) is "NO-APP" when the power is on, the PLC immediately enters No-APP state.
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