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3.1.4 Verifying Power Module Input Ratings Match Supplied Power
It is important to verify that plant power will meet the input power requirements of the
drive's Power Module circuitry. Refer to table 2.1 for input power rating specifications.
Be sure input power to the drive corresponds to the drive nameplate voltage and
frequency.
3.2 Wiring Requirements for the Drive
Certain drive requirements should be checked before continuing with the drive
installation. Wire sizes, branch circuit protection, encoder feedback (for FVC
regulation), and E-stop wiring (see chapter 7) are all areas that need to be evaluated.
3.2.1 Meeting Terminal Strip Input and Output Specifications
The terminal strip on the Regulator board provides terminals for 24 VDC power for the
eight remote control inputs. Refer to tables A.3 and A.4 for control input and output
specifications.
3.2.2 Determining Wire Size Requirements
Wire size should be determined based on the size of conduit openings, and applicable
local, national, and international codes (e.g., NEC/CEC regulations).
3.2.2.1 Conduit Entry Opening Sizes
It is important to determine the size of the conduit openings so that the wire planned
for a specific entry point will fit through the opening. Conduit opening sizes are shown
in figures 4.1 through 4.7.
3.2.2.2 Recommended Power Wire Sizes
Input power wiring should be sized according to applicable codes to handle the drive's
continuous-rated input current. Output wiring should be sized according to applicable
codes to handle the drive's continuous-rated output current. See tables 3.3 through
3.8 for recommended power wire sizes.
Planning Before Installing
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ATTENTION: The user is responsible for conforming with all applicable
local, national, and international codes. Failure to observe this precaution
!
could result in damage to, or destruction of, the equipment.
Table 3.3 – Recommended Power Wire Sizes for 1-10 HP Drives
Type of Wiring
AC Input Power
R/L1, S/L2, T/L3
Output Power
U/T1, V/T2, W/T3
DC Input Power
Ground
Terminals
Size of Wire (Maximum)
+, -
2
12 AWG, 3 mm
3-5
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