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7.2 Wiring the Encoder Feedback Device
(FVC Regulation Only)
If the GV3000/SE drive is programmed to provide FVC regulation, an encoder must be
installed. Drives using V/Hz or SVC regulation do not require the use of an encoder
feedback device. The encoder connects to terminals 4 through 9 of the Regulator
board terminal strip as shown in table 7.8.
Use the following procedure to connect an encoder to the Regulator board's terminal
strip:
Step 1. Connect the encoder's wires to terminals 4 through 9 of the terminal strip.
Step 2. Set the following parameters to establish the maximum motor speed:
Refer to the GV3000/SE Software Start-Up and Reference manual for parameter
descriptions.
Wiring the Regulator Board Terminal Strip
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Table 7.8 – Encoder Connections
Terminal
4
Encoder Supply +15 VDC (250 mA capacity)
5
Encoder Phase A Differential Input
6
Encoder Phase A Not Differential Input
7
Encoder Phase B Differential Input
8
Encoder Phase B Not Differential Input
9
Encoder/Regulator Common
See figure 7.3. See table A.6 for additional encoder specifications. Refer to
section 3.2.4.1 for encoder wiring guidelines.
•
P.004: Maximum Speed
•
U.001: Encoder PPR
•
U.002: Motor Poles
•
U.003: Motor Nameplate Base Frequency
•
U.005: Motor Nameplate RPM
•
U.017: Motor Top Speed
Encoder Connection
7-7
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