- Emerson Remote Terminal Unit Instruction Manual

2-8 / Installation & Operation CI-ControlWave Express
2.3.3 CPU/System Controller Board Configuration
To configure the CPU/System Controller Board, Jumpers must be set (see Figure 2-4), DIP-
Switches must be set (see Section 2.3.3.1) and Communication Ports must be wired (see
Sections 2.3.3.2 through 2.3.3.3).
For safety reasons and to prevent accidental damage to a user-supplied external bulk DC
Power Supply, it is recommended that the pluggable Power Terminal Blocks TB1 and TB2 on
the CPU/System Controller Board be disconnected until the entire unit has been wired, and
hardware configured. Sections 2.3.7.1 & 2.3.7.2 provide details on DC Power Connector wiring.
2.3.3.1 CPU/System Controller Board Switch Configuration
ControlWave Express CPU/System Controller Board Switches must be set for the desired
performance options. Tables 2-1, 2-2 and 2-5 provide an overview of switch settings.
SW2-1 set OFF will disable the system from entering a watchdog state when a crash or
system hang up occurs. Setting SW2-1 OFF prevents the system from automatically
restarting.
SW2-2 set OFF prevents changing the Soft Switches, other configurations and FLASH files,
i.e., these items are locked. To change Soft Switch, configuration and FLASH files SW2-2
must be set to the ON position (see Section 2.4.4).
Table 2-1 - CPU/System Controller Bd. Configuration Switch SW2 - Assignments
Note: Except for SW2-4, ON = Factory Default
SW# Function Setting - (ON = Factory Default)
SW2-1 Watchdog Enable
ON = Watchdog circuit is Enabled
OFF = Watchdog circuit is Disabled
SW2-2
Lock/Unlock
Soft Switches
ON = Write to Soft Switches and FLASH files
OFF = Soft Switches, configurations and FLASH files are locked
SW2-3
Use/Ignore
Soft Switches
ON = Use Soft Switches (configured in FLASH)
OFF = Ignore Soft Switch Configuration and use factory defaults
SW2-4
Core Updump
See Section 3.6
ON = Core Updump Disabled
OFF = Core Updump Enabled via Mode Switch (SW1)
SW2-5 SRAM Control
ON = Retain values in SRAM during restarts
OFF = Force system to reinitialize SRAM
SW2-6
System Firmware
Load Control *
ON = Enable remote download of System Firmware
OFF = Disable remote download of System Firmware
SW2-7 N/A
SW2-8 Enable WINDIAG
ON = Normal Operation (don’t allow WINDIAG to run test)
OFF = Disable boot project (allow WINDIAG to run test)
* = Boot PROM version 4.7 or higher and System PROM version 4.7 or higher
SW2-3 set OFF forces the use of Soft Switches as set per factory default (see Section 2.4.4).
For use of user defined Soft Switches, SW2-3 must be set to the ON position. Note: If both
SW2-3 and SW2-8 are set OFF (closed), all communication ports will be set to 9600 bps
operation.
SW2-4 set OFF and used in conjunction with Mode Switch (SW1) will cause the
ControlWave Express to perform a Core Updump (see Section 3.6).
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