Chapter 2 – Overview of the ACS 502/504
2-4 ACS 502 Installation & Start-up Manual
Table 2-2 shows the definitions for symbols used in this manual.
Table 2-2 Symbol Definitions
ACS 502 Control
Identification
The numbers and letters in the last seven spaces of the ACS 502 Model
Number stand for the specific options included with your drive. Locate the
Control Nameplate on the right side of the enclosure or inside the door of the
ACS 502 and use Figure 2-2 to verify the options included with your drive.
The first part of the part number is derived from Figure 2-1 by removing the
letters AC in the first two places and the dashes (-).
Symbol Definition
V
IN
Rated supply voltage [V]. The actual voltage is set by a parameter.
I
IN
Approximate input current (rms) when shaft power is P
R
, line voltage is 480 V, and the motor is a standard NEMA
motor [Amps].
I
R
Rated output current in constant torque applications [Amps].
P
R
Maximum motor nominal shaft power in constant torque applications for 2-, 4-, and 6-pole standard motors [hp].
I
INSQ
Approximate input current when shaft power is P
RSQ
, line voltage is 480 V and the motor is a standard NEMA
motor. This is the maximum thermal input current [Amps].
I
RSQ
Rated output current in squared torque applications [Amps].
P
RSQ
Maximum motor nominal shaft power in squared torque applications for 2-, 4-, and 6-pole standard motors [hp].
I
N
The output current on which the drive’s internal trips and settings are based [Amps].
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