Comms screen
Figure 54: Comms screen
This screen allows definition of the necessary communications parameters. Refer to Printing for
details of the printer connections and setup. The COM2 settings are automatically set when the
drive is set to VSD or MVVSD and therefore, the COM2 Setup button will not be displayed.
Table 153: Display only
Field/LED
name
Access level Description
None –
Table 154: Programmable
Button Access level Description
Chiller ID Operator
Displays the numeric chiller ID when used within an ISN network of
chillers. This ID number is also printed at the top of reports.
Printer Setup
and COM2
Setup
Operator
Pressing either key places a green selection box around the first
changeable parameter. Use the ▲ and ▼ keys to place the selection
box around the desired parameter to be changed. With the selection
box around the desired parameter, press the Enter key. A dialog
box is displayed permitting data entry. In VSD or LC-SSS Modbus
Protocol Configuration, COM2 button is not shown because COM2
serial port is used for this interface.
Printer Baud
Rate
–
Displays the baud rate at which the panel communicates with the
printer.
Printer Data
Bits
–
Displays the number of data bits the panel uses to communicate
with the printer.
157YK-EP Style B Centrifugal Chiller
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