Honeywell 3G SmartVFD HVFD3D3A0015 Installation And User Manual page 37

4.8.4 Voltage/Current Input Selection (Switches)
The analog input terminals 53 and 54 allow setting of input signal to voltage (0–
10 V) or current (0/4–20 mA).
Default parameter settings:
•
•
Note: Disconnect power to the adjustable frequency drive before changing switch
positions.
Step 1.
Step 2.
Step 3.
Figure 4.16. Location of Terminals 53 and 54 Switches.
4.8.5 RS-485 Serial Communication
Up to 32 nodes can be connected as a bus, or via drop cables from a common trunk
line to one network segment. Repeaters can divide network segments. Each
repeater functions as a node within the segment in which it is installed. Each node
connected within a given network must have a unique node address across all seg-
ments.
•
32
Terminal 53: speed reference signal in open-loop (see 16-61 Terminal 53 Switch
Setting).
Terminal 54: feedback signal in closed-loop (see 16-63 Terminal 54 Switch
Setting).
Remove the local control panel (see Figure 4.16.)
Remove any optional equipment covering the switches.
Set switches A53 and A54 to select the signal type. U selects voltage, I
selects current.
Connect RS-485 serial communication wiring to terminals (+) 68 and (-) 69.
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