SECTION 7 WSPC USER INTERFACE MANUAL
69
READING AND WRITING SPECIFIC REGISTERS
The Administrator is also able to select a specific
register for monitoring or changing. Always use the
decimal format when doing this. See Figure 7-18. To
read a register:
1. Click the “Decimal” format.
2. Click in the Address box for the Input or
Holding register, and enter the desired regis-
ter number.
3. Click the “Read” button to get the current
value.
To change a holding register:
1. Click the “Decimal” format.
2. Click in the Address box for the Holding reg-
ister, and enter the desired register number.
3. Click the “Read” button to get the current
value.
4. Click in the Value box, and enter the desired
value.
5. Click the “Write” button to send the request
to the controller.
6. Click the “Read” button to verify the new
value.
7.7 DRYER SETUP DISPLAY
This tab is for use with compressor packages with
integrated dryer controls. This is available on WS
controller software version 02250174-082. These
packages should have been factory commissioned
as dryer models, and will be shown as such on the
Machine Info Display (see Section 4.3) and on
reports. This commissioning procedure sets up all
the necessary functions for normal integrated dryer
operation. Adjustments on this display are intended
for special applications where the default settings
may need to be changed.
These settings are administrator-level and are
intended for trained servicers only. Stop the
compressor prior to making any adjustments. Since
these adjustments also affect operation of an output
relay, depress the emergency stop button to prevent
relay operation until all adjustments are completed.
Click the "Dryer" tab to show the dryer setup display.
This will always show the current settings. If the
compressor is stopped, the settings may be
changed.
Integrated Dryer—Whenever this setting is
changed, the controller will alter all remaining
settings, and change its operations as appropriate.
This may be used to disable all dryer functions during
service. Be sure to disconnect all wiring and piping
to the dryer during service, and to reconnect all
wiring and piping when service is completed.
Restore power, click the down arrow and select
"Integrated Dryer" or "None" to set up default
settings:
Compressor Runs on Dryer Fault—This is
unchecked by default. If a dryer fault occurs, the
dryer and compressor will both stop, and a fault will
be recorded into the WS controller. Correct the
source of the fault, then reset the fault using the WS
controller keypad and resume operation.
If this is checked, dryer faults will stop operation of
the dryer only. The compressor will continue to run.
This will be recorded as a WS controller warning.
Start Up Load Delay—This is set to 5 minutes
default whenever integrated dryer operation is
initially selected. When initially starting the
compressor package, the dryer also starts, but the
compressor will initially be forced to run unloaded for
Figure 7-18: Modbus Registers
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