Siemens SIMATIC IPC PX-39A PRO - Page 16

Configure firmware
2.4 "Advanced" tab
Firmware/BIOS description SIMATIC IPC BX-39A, IPC PX-39A, IPC PX-39A PRO
16 Operating Instructions, 01/2023, A5E51110693-AA
Select: "Setup Utility (Page 10)" > "Advanced" > "Peripheral Configuration" > "Internal COM
Configuration" > "Internal COM 2 Configuration".
Firmware setting Value Setting in de-
livery state
Meaning
IPC BX-39A
IPC PX-39A
IPC PX-39A PRO
Internal COM 2
Only with:
• IPC BX-39A
• IPC PX-39A
(depending
on the device configura-
tion)
Disabled
The COM2 port is disabled and the resources it used are
freed.
Enabled
x
The COM2 port is enabled. You can therefore set the
I/O basic address, the interrupt and the transceiver
mode.
• Base I/O Address
(only if "Internal COM
2" = Enabled)
2E8
The I/O basic address of the COM2 port is set with this
value.
2F8
x
3E8
3F8
• Interrupt
(only if "Internal COM
2" = Enabled)
IRQ3
x
The interrupt of the COM2 port is set with this value.
IRQ4
IRQ5
IRQ6
• Transceiver Mode
(only if "Internal COM
1" = Enabled)
Transceiver Loop-
back
The COM2 port is operated in loopback mode.
RS232
x
The COM2 port is operated as RS232 interface.
RS485 Half Duplex
The COM2 port is operated as RS485 interface (with
half duplex).
RS485/422 Full
Duplex
The COM2 port is operated as RS485/422 interface
(with full duplex).
• Termination
(only when "Trans-
ceiver Mode" =
"RS485 Half Duplex"
or "Transceiver Mode"
= "RS485/422 Full Du-
plex")
Disabled
x
The COM2 bus termination is disabled.
Enabled
The COM2 bus termination is enabled.
• Autodirection
(only when "Trans-
ceiver Mode" =
"RS485 Half Duplex"
or "Transceiver Mode"
= "RS485/422 Full Du-
plex")
Automatic
x
The direction setting of the COM2 port is automatic.