M-Max Series Overview
10 M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.com
General Rated Operational Data, continued
Notes
Symbols used in technical data and formulas.
122°F (50°C) with lateral clearance of 0.79 in (20 mm) and reduced pulse frequency 4 kHz and altitude 1000m.
Description Symbols
Unit Specification
Power Section
Rated operational voltage f
LN
Hz at 50/60
MMX11 U
e
Vac 1~115 (110 –15% to 120 +10%)
MMX12 U
e
Vac 1~230 (208 –15% to 240 +10%)
MMX32 U
e
Vac 3~230 (208 –15% to 240 +10%)
MMX34 U
e
Vac 3~400 (380 –15% to 480 +10%)
MMX35 U
e
Vac 3~575 (–15% to +10%)
Input switch-on frequency — — Maximum one time per minute
Input current THD % >120
Short-circuit current I
K
kA Maximum <50
Input frequency f
LN
Hz 50/60 (45–66 Hz ±0%)
Pulse frequency
(switching frequency of the inverter)
f
PWM
kHz 1–16 (default = 6 kHz)
Operating mode — — V/f characteristic curve control (FS), speed control with slip
compensation
Output voltage U
2
V 3 AC 230 (MMX11), 3 AC U
e
(MMX12, MMX32, MMX34, MMX35)
Output frequency f
2
Hz 0–320
Frequency resolution (setpoint value) I Hz 0.01
Rated operational current I/I
e
% 100% continuous current at maximum 122°F (50°C) ambient temperature
Overload current I/I
e
% 150 for 60s every 600s
Starting current I/I
e
% 200 for 2s every 20s
Braking torque M
B
/M
N
% 30 for all sizes
Up to maximum 100% M
N
only as of size MMX34…4D3_ with external
braking resistance
Control Section
Control voltage (output) U
c
Vdc 24, max. 50 mA
Reference voltage (output) U
s
Vdc 10, max. 10 mA
Input, digital, parameter definable — — 6x, max. +30 Vdc, R
i
>12k ohms
Permitted residual ripple with external
control voltage (+24V)
— — Max. 5% U
a
/U
a
Input, analog, parameterizable,
selection via microswitches
— — 2 x 0 (2) to +10 Vdc, R
i
>200k ohms or 0 (4) to 20 mA, R
B
~200 ohms
Resolution — Bit 10
Output, digital, parameter definable — — 1 x transistor: 48 Vdc, max. 50 mA
Output relay, parameter definable — — 1 x N/O: 250 Vac, maximum 2A or 250 Vdc, max. 0.4A
Output relay, parameter definable — — 1 x changeover contact: 250 Vac, maximum 2A or 250 Vdc, maximum 0.4A
Serial interface — — RS485/Modbus
®
RTU
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