Network Wiring - Emerson CopelandScroll ZX 401 User Manual

Zx condensing unit for refrigeration applications
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Download the Program from Hot-Key to Controller
Step
Action
1
Turn-off the controller
2
Insert Hot-Key
3
Turn-on the controller
4
5
Remove Hot-Key

Network Wiring

Dixell XWEB300D Serial Address
Connect to the ModBUS network using cable with 2 or 3 shielded wires, minimum section 0.5mm2
(e.g. BELDEN8772)
Do not connect shield to ground.
Do not connect the "Gnd" terminal.
Remember to draw a map of the line. This will help you to find an error if something is wrong.
RS485 devices are polarity sensitive.
12
Phenomenon and Description
The "doL" message will blink followed a by a flashing "End" label (Note: if display "Err",
it means it fails to download program to the controller. Please restart the process.)
Controller will restart working with the new parameters after 10 seconds
Figure 5. Correct Network Wiring
Figure 6 . Incorrect Network Wiring

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