PACSystems™ RX3i and RSTi-EP CPU Reference Manual Section 3
GFK-2222AK October 2019
CPU Configuration 50
RX3i CPE302/CPE305/CPE310/CPE330/CPE400/CPL410 CPUs only.
Activates Coordinated Universal Time (UTC) settings for the controller. Allows you to
select an appropriate local time zone with respect to UTC.
Choices:
Disabled: UTC settings are not active.
Enabled: UTC settings are active and configurable.
Default: Disabled.
Day Light
Savings Time
(DST)
RX3i CPE302/CPE305/CPE310/CPE330/CPE400/CPL410 CPUs only.
Activates Day Light Savings Time (DST) settings for the controller. Allows you to select
appropriate local start and end times for Day Light Savings Time.
Choices:
Disabled: Day Light Savings Time settings are not active.
Enabled: Day Light Savings Time settings are active and configurable.
Default: Disabled.
3.2.2 Modbus TCP Address Map
This read-only tab displays the standard mapping assignments between Modbus address
space and the CPU address space. Ethernet modules and daughterboards in the
PACSystems controller use Modbus-to-PLC address mapping based on this map.
The Modbus protocol uses five reference table designations:
0xxxx Coil Table. Mapped to the %Q table in the CPU.
1xxxx Input Discrete Table. Mapped to the %I table in the CPU.
3xxxx Input Register Table. Mapped to the %AI register table in the CPU.
4xxxx Holding Register Table. Mapped to the %R table in the CPU.
6xxxx File Access Table. Mapped to the %W table in the CPU.
Lists the beginning address of the mapped region.
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