T
ECHNICAL
DATA
Honeywell
• 70
7
7.2
Technical data
Mains connection
Input voltage U
in
208...240V; 380…480V; -10%…+10%
Input frequency
50…60 Hz -5...+10%
Connection to mains
Once per minute or less
Starting delay
4 s (MR4 to MR6); 6 s (MR7 to MR9)
Motor connection
Output voltage
0-U
in
Continuous output cur-
rent
I
L
:Ambient temperature max. +40°C, up to
+50°C with derating; overload 1.1 x I
L
(1
min./10 min.)
Output frequency
0…320 Hz (standard)
Frequency resolution
0.01 Hz
Control
characteristics
Switching frequency
(see parameter
M3.1.2.1)
1.5…10 kHz;
Defaults:
MR4-6:
6 kHz (except 230 3P0, 230 7P5, 230
15P, 400 5P5, 400 15P and 400 30P: 4 kHz)
MR7:
4 kHz
MR8-9:
3 kHz
Automatic adjustment of switching fre-
quency by overtemperature ride-through
function in case of overload, e.g. short-time
ambient temperature increase.
Frequency reference
Analogue input
Panel reference
Resolution 0.1% (10-bit), accuracy ±1%
Resolution 0.01 Hz
Field weakening point 8…320 Hz
Acceleration time
0.1…3000 sec
Deceleration time
0.1…3000 sec
