Lenze 8200 motec frequency inverter 0.25kW-7.5kW - Manual (Page 198)

Application examples
Group drive
13−13
l
EDB82MV752 EN 5.2
13.4 Group drive (operation with several motors)
Several motors can be connected to the controller in parallel. The sum of the single motor currents
must not exceed the rated current of the controller.
Installation instructions
·
The motor cable is wired in parallel e.g. in a terminal box.
·
Each motor must be equipped with a thermostat (NC contact) the series connection of which
must be connected to X2/T1 and X2/T2 using a separate cable.
·
Only use shielded cables ( ^ 4−6) . Connect the shield to PE with a large surface.
·
Resulting cable length:
l
res
+ sum of all motor cable lengths x number of motor cables
Ǹ
Application−specific configuration
·
Basic settings. ( ^ 6−2)
·
Operating mode C0014 = −2− possibly −4−. ( ^ 7−2)
·
PTC input C0119 = −1−. ( ^ 7−84)
T1
T2
Terminal strip/
terminal box
8200
ϑ> ϑ>
Motor 1 Motor 2
Fig. 13−5 Basic structure of a group drive
Tip!
You can monitor the motor cables and operating elements using the motor phase failure detection.
( ^ 14−50, C0597)