Configure firmware
2.4 "Advanced" tab
Firmware/BIOS description SIMATIC IPC227G, IPC277G, IPC327G, IPC377G
14
Operating Instructions, 09/2021, A5E50059883-AB
Firmware setting Value
Setting in delivery
state
Meaning
Peripheral Type
RS232
x
x
Non-isolated connection for short distances in
interference-free environment.
RS485/RS422 Full
Duplex
Isolated connection for environment with EMC load,
transmitting and receiving at the same time.
RS485 Half Duplex
Isolated connection for environment with EMC load.
Loopback
Mode for testing the hardware.
COM Port 2(X31)
Enabled
x
x
Enables the serial port. You can then set the I/O base
address and the interrupt.
Disabled
Disables the serial port. This releases the resources it
used.
Base I/O Address
3F8h/2F8h/3E8h/2E
8h/338h/228h/220h/
238h
3F8h
3F8h The I/O base address is pre-assigned and also
recommended.
Interrupt
IRQ3/IRQ4/IRQ5/IRQ6
/IRQ7/IRQ10/IRQ11
IRQ4
IRQ4
The interrupt is pre-assigned and also recommended.
Peripheral Type
RS232
x
x
Non-isolated connection for short distances in
interference-free environment.
RS485/RS422 Full
Duplex
Isolated connection for environment with EMC load,
transmitting and receiving at the same time.
RS485 Half Duplex
Isolated connection for environment with EMC load.
Loopback
Mode for testing the hardware.
COM Port 3(X32)
Only with:
IPC327G
IPC377G
Enabled
x
Enables the serial port. You can then set the I/O base
address and the interrupt.
Disabled
Disables the serial port. This releases the resources it
used.
Base I/O Address
Only with:
IPC327G
IPC377G
3F8h/2F8h/3E8h/2E
8h/338h/228h/220h/
238h
2E8h The I/O base address is pre-assigned and also
recommended.
Interrupt
Only with:
IPC327G
IPC377G
IRQ3/IRQ4/IRQ5/IRQ6
/IRQ7/IRQ10/IRQ11
IRQ5
The interrupt is pre-assigned and also recommended.
Peripheral Type
Only with:
IPC327G
IPC377G
RS232
x
Non-isolated connection for short distances in
interference-free environment.
COM Port 4(X33)
Only with:
IPC327G
IPC377G
Enabled
x
Enables the serial port. You can then set the I/O base
address and the interrupt.
Disabled
Disables the serial port. This releases the resources it
used.
Base I/O Address
Only with:
IPC327G
IPC377G
3F8h/2F8h/3E8h/2E
8h/338h/228h/220h/
238h
3E8h The I/O base address is pre-assigned and also
recommended.