Attaching to Other CCN Modules
If the machine PSIO has been connected to a CCN Network or other PIC co ntrolled chiller s
through CCN wiring, the LID can be used to view or change parameters on the other c ontrollers.
Other PIC machi nes can be viewed and set points c hanged (if the other unit is in CCN control),
if desired fro m this particul ar LID module.
To view the other devices, move to the ATTACH TO NETWORK DEVICE table. Move the
highlight bar to any dev ic e nu mber. Press SELECT sof tkey to change the bus numb er and
address of the module to be viewed. Press EXIT softkey to move back to the ATTACH TO
NETWORK DEVICE tabl e. If the module number is not v ali d, the ‘‘COMMUNICATI O N
FAILURE’’ mess age will show an d a new addre ss number shoul d be entered or the wiring
checked. If the model is communicating properly, the ‘‘UPLOAD IN PROGRESS’’ message will
flash and the new module can now be viewed .
Whenever there is a quest ion regarding which CCN m odu le the LID is currently s how ing,
check the device name descriptor on the upper left hand corner of the LID screen. See
Figure 23.
When the CCN device has been vie wed, the ATTACH TO NETWORK DE V ICE t able should
now be used to attach t o the PSIO that is on the mac hine. Move to the ATTA CH TO NETWORK
DEVICE table and press the ATTACH softkey to upload t he LOCAL device. The PSI O f or th e
19XT will now be uploaded.