53
Specifications
Encoder Specifications
Power Dissipation
In general, the drive power stages are 90 to 95 percent efficient depending on the actual point
of the torque speed curve the drive is operating. Logic power losses on the EN drive is 11 W
minimum to 21 W depending on external loading such as FM modules and input voltages.
The values shown in the table below represent the typical dissipation that could occur with
the drive/motor combination specified at maximum output power.
Motor Density Output Type Output Frequency Output Signals Power Supply
MG and NT 2048 lines/rev
RS422 differential
driver
250 kHz per channel
A, B, Z, Comm U,
Comm W, Comm V
and all complements
5V, 200 mA ±10%
Drive Model
Logic Power Losses
(typ) Drive
(Pld) (Watts)
Maximum Power Stage
Losses
(Pp) (Watts)
Total
Power Losses
(Watts)
EN-204/NT-207
21
37 58
EN-204/NT-212 59 80
EN-204/MG-205 30 51
EN-204/MG-208 50 71
EN-204/MG-316 82 103
EN-208/NT-320 135 156
EN-208/NT-330 175 196
EN-208/NT-345 185 206
EN-208/NT-355 211 232
EN-208/MG-340 160 181
EN-208/MG-455 200 221
EN-214/NT-345 192 213
EN-214/NT-355 221 242
EN-214/MG-490 300 321
EN-214/MG-4120 430 451
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