RS
RS
RS---485
485
485 Module
Module
Module Installation
Installation
Installation
Follow these steps to install the RS-485 module,
which is shipped with Graco Variable Frequency
Drives/Inverters (B) 17N041, 17N042, and 17N043.
1.
Verify that the AC supply has been disconnected
before opening the terminal cover.
2.
Remove the terminal cover.
3.
Insert the RS-485 module in the terminal cover.
Securely click the module into position.
4.
Connect the Variable Frequency Drive/Inverter
using the RS-485 data communication
wiring. For more information, see
Modbus (RS-485) Wiring, page 34
.
5.
Plug the connector into the RS-485 module.
6.
Align the terminal cover for re-fitting.
7.
Connect the RS-485 module cord to the drive.
8.
Close the cover and secure it.
Label
Label
Label All
All
All Mounted
Mounted
Mounted Components
Components
Components
As a best practice to avoid confusion, clearly label
each component mounted in the non-hazardous and
hazardous locations.
Make sure that you can easily see which stations
and their components in the hazardous location are
controlled by each Supervisor Box and Variable
Frequency Drive/Inverter in the non-hazardous
location.
Figure 25 Example – Mounting and Labeling Three
Variable Frequency Drive/Inverter Boxes
3A4030C
29