Honeywell 3G SmartVFD HVFD3D2A0020, Installation And User Manual

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4.8 Control Wiring
• Isolate control wiring from high power components in the adjustable frequency
drive.
• When the adjustable frequency drive is connected to a thermistor, ensure that
the thermistor control wiring is shielded and reinforced/double insulated. A 24
V DC supply voltage is recommended.
4.8.1 Control Terminal Types
Figure 4.13 and Figure 4.14 show the removable adjustable frequency drive con-
nectors. Terminal functions and default settings are summarized in Table 4.2.
Figure 4.13. Control Terminal Locations.
Figure 4.14. Terminal Numbers.
• Connector 1 provides four programmable digital inputs terminals, two
additional digital terminals programmable as either input or output, a 24 V DC
terminal supply voltage, and a common for optional customer supplied 24 V DC
voltage.
• Connector 2 terminals (+) 68 and (-) 69 are for an RS-485 serial communication
connection.
• Connector 3 provides two analog inputs, one analog output, 10 V DC supply
voltage, and commons for the inputs and output.
• Connector 4 is a USB port available for use with the MCT 10 Set-up Software.
2
3
4
1
130BB921.11
12 13 18 19 27 29 32 33 20 37
39 42 50 53 54 55
61 68 69
130BB931.10
1
2 3