The LOGO! 0BA6 device series supports a modem connection between a PC and LOGO!
0BA6 Base Module. You can use modems to download and upload circuit programs
between LOGO!Soft Comfort and LOGO! devices. Configuration of the modem connection is
only possible with LOGO!Soft Comfort V6.1 or later.
For the detailed description of modem configuration, see the LOGO!Soft Comfort V6.1 online
Manual, 10/2017, A5E01248535-AA
PC (desktop or laptop)
Local modem (Recommended:
PSTN (Public Switched Telephone
Remote modem (Recommended:
LOGO! Base Module
Standard RS232 cable (9-pin)
LOGO! installation and wiring
Standard RJ11 telephone line
LOGO! modem cable (length: 0.5 m)
Cable connector, with the visible text
"MODEM" on each side
Cable connector, with the visible text "PC
CABLE" on each side
LOGO! PC cable
2.3 Wiring LOGO!