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
fLN
Hz
at 50/60
MMX11
Ue
Vac
1~115 (110 –15% to 120 +10%)
MMX12
Ue
Vac
1~230 (208 –15% to 240 +10%)
MMX32
Ue
Vac
3~230 (208 –15% to 240 +10%)
MMX34
Ue
Vac
3~400 (380 –15% to 480 +10%)
MMX35
Ue
Vac
3~575 (–15% to +10%)
Input switch-on frequency
—
—
Maximum one time per minute
Input current
THD
%
>120
Short-circuit current
IK
kA
Maximum <50
Input frequency
fLN
Hz
50/60 (45–66 Hz ±0%)
Pulse frequency
(switching frequency of the inverter)
fPWM
kHz
1–16 (default = 6 kHz)
Operating mode
—
—
V/f characteristic curve control (FS), speed control with slip
compensation
Output voltage
U2
V
3 AC 230 (MMX11), 3 AC Ue (MMX12, MMX32, MMX34, MMX35)
Output frequency
f2
Hz
0–320
Frequency resolution (setpoint value)
I
Hz
0.01
Rated operational current
I/Ie
%
100% continuous current at maximum 122°F (50°C) ambient temperature
Overload current
I/Ie
%
150 for 60s every 600s
Starting current
I/Ie
%
200 for 2s every 20s
Braking torque
MB/MN
%
30 for all sizes
Up to maximum 100% MN only as of size MMX34…4D3_ with external
braking resistance
Control Section
Control voltage (output)
Uc
Vdc
24, max. 50 mA
Reference voltage (output)
Us
Vdc
10, max. 10 mA
Input, digital, parameter definable
—
—
6x, max. +30 Vdc, Ri >12k ohms
Permitted residual ripple with external
control voltage (+24V)
—
—
Max. 5%
Ua/Ua
Input, analog, parameterizable,
selection via microswitches
—
—
2 x 0 (2) to +10 Vdc, Ri >200k ohms or 0 (4) to 20 mA, RB ~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