X20 system modules • X20 interface module communication • X20IF10X0
X20 system User's Manual 3.10
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4.23.24.6 Switch positions
The CPU can be set to primary or secondary using the "PRIM/SEC" selection switch.
During configuration, make sure that one rCPU is set as primary and the other rCPU as secondary.
Information:
It is not permitted to change the switch position during operation.
The "T" button is used for redundancy switchovers and manually synchronizing the application.
4.23.24.7 Firmware
This module comes with preinstalled firmware. The firmware is a component of Automation Studio. The module
is automatically updated to this version.
To update the firmware included in Automation Studio, the hardware must be upgraded (see "Project manage-
ment" / "Automation Studio upgrade" in the help system).
Summary of Contents for X20 System
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