1.4.5 Ambient Conditions in normal operation
Storage, Transport
Normal operation
Surrounding air tem-
perature in operation
Humidity in operation Relative humidity 5 to 85%, no condensation, class 3K3
Site altitude
Pollution level
Vibrations
Environmental area
Mounting position
Ventilation
1.4.6 System limits
Length String 2/3
Number of MKD-C
Number of MKD-N axes Maximum 14 axes for string 1, total maximum 28 axes if string 1
Number of AKD-N
Global STO (String 2/3):
Number of AKD-N
Output current
Total power
String 2/3 power
String standby power
Motor Brake power
Service Interface X18
(➜ # 10)
Environmental class 3K3 according to IEC 61800-2
0 to +40 °C under rated conditions
+40 to +55 °C with continuous current derating 4 % per °C
Up to 1000 meters above mean sea level without restriction
1,000 to max. 2,000 meters above mean sea level with power
derating 1.5%/100 m
Pollution level 2 as per IEC 60664-1
Class 3M1 according to IEC 60721-3-3
Cabinet IP 54 according to IEC 60529
Vertical
Built-in fan.
Noise emission!
CAUTION
Noise emission up to 90 dBA during operation with maximum
load. Keep cabinet doors closed during operation.
It is mandatory to use ear protection if cabinet doors must be
opened during normal operation.
The device shuts down in case of excessively high temperature
in the control cabinet. Make sure sufficient forced ventilation is
supplied within the control cabinet.
Maximum 100 m total cable length per string.
Limited by fieldbus protocol.
and 2 are combined (observe total power and current restric-
tions).
Maximum 14 per string, total maximum 28 on strings 2 and 3,
(observe total power and current restrictions).
AKD-N Hardware Rev. A or B: 8 AKD-N
AKD-N Hardware Rev. A or B with signal buffer: 14 AKD-N
AKD-N Hardware Rev. C: 14 AKD-N
Use coincidence factor of the axes for distribution and system
power optimization.
String 1: 43 A, String 2: 16 A, String 3: 16 A
At 565 V to 680 V limited to 30 kW.
At 565 V to 680 V limited to 10 kW for each string.
At 55 V limited to 180 W for each string.
You can control up to 3 motor brakes per string. Available power
for brakes is 76 W per string (= 3.2 A @ 24 VDC).
Ethernet TCP/IP, 100 Mbit/s, max. cable distance 100 m
MKD Product Safety Guide | 1 English
Kollmorgen | kdn.kollmorgen.com | February 2020
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