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6F3A4768
3.3 Speed Sensor Interface (TMdrive-30)
A pulse generator (PLG) or resolver is used as speed detector. At this time, note that the model of the XIO circuit
board may vary depending on the type of sensor.
ARND-3120A: PLG or sensor-less vector control
ARND-3120B: Resolver or sensor-less vector control
3.3.1 PLG Interface (Differential Type)
The number of PLG output pulses [P/rev] is selected so that the PLG output pulse frequency at the maximum
speed satisfies Equation 3.3.1. If it exceeds the specified range, the pulse may not be recognized, causing the
control not to be done.
Equation 3.3.1 3300 [Hz]
≤
(rated motor speed) [min
-1
] / 60 x PLG pulse count [P/rev]
≤
100000[Hz]
When using a PLG as speed sensor, pulse count of PLG output depends on the pulse count of the speed sensor
and they become the same value (cannot be changed).
T1
-1
2
T1
-1
4
T1
-1
5
T1
-1
3
T1
-1
1
T1
-1
0
T1
-1
+15V +5V
0V
PGA
PGB
+15V 0V
or +5V PG
T1
-1
6
T1
-1
7
PGZ
Fig. 3.3.1 PLG Interface
Jumper
setting
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