4
PACSystems™ RX3i Central
Processing Unit IC695CPE302
GFK-3038B
Switches
The RDSD and Run Mode switches are located behind the front protective
door. The Reset switch is not used. Switch operation is given in the
following table.
Switch Operation
RD S D Switches
Function
Start pushbutton
Pressing this switch initiates RDSD data transfer. (The
three-position switch must be set to Upload or
Download.)
Three-position switch
Enables/disables RDSD data transfer and selects the
direction of data transfer.
Upload
Loads application from CPU to RDSD.
Off
Disables RDSD data transfer.
Download
Stores application from RDSD to CPU.
Run Mode Switch
A three-position switch which operates as follows:
Switch Position
CPU and Sweep Mode
Memory Protection
Run I/O Enable
The CPU runs with I/O sweep
enabled.
User program memory is
read only.
Run Output Disable
The CPU runs with outputs
disabled.
User program memory is
read only.
Stop
The CPU is not allowed to go
into Run mode.
User program memory
can be written.
The Run Mode switch can be disabled in the programming software in Hardware
Configuration (HWC)
. The switch’s
memory protection function can be disabled
separately in HWC. The Run Mode switch is enabled by default. The memory
protection functionality is disabled by default.
