
Upgrading Existing Series 500 Installations
C-2
SIMATIC 545/555/575 System Manual
C.1 Series 500 System Installations
You can upgrade an existing Series 500 system by replacing the controller
with a 545–1106, 555–1105, or 555–1106 CPU, or a 575–2105 or 575–2106
CPU with the 575–2126 annex card. The following Series 500 systems can
be connected as remote I/O bases to a Series 505 CPU:
• SIMATIC 520, 520C, 530, 530C, and 530T systems.
• SIMATIC 560, 560T, 565, and 565P systems using twin axial (RS-485)
remote I/O channels.
• SIMATIC 560, 560T, 565, and 565P systems using coaxial (RF) remote
I/O channels.
Refer to Section C.2 for information about upgrading an existing 520, 520C,
530, 530C, or 530T system.
Refer to Section C.3 for information about upgrading an existing 560, 560T,
565, or 565P system that has one or more RS-485 remote I/O channels.
Refer to Section C.4 for information about upgrading an existing 560, 560T,
565, or 565P system that has one or more coaxial remote I/O channels.
Kommentare zu diesen Handbüchern