YASKAWA Varispeed L7 User Manual

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The setting of S1 switch on the control card
Varispeed L7C control card has the S1 switch for selecting a encorder power supply voltage. Please select the
appropriate voltage setting before connecting a motor encorder. The default setting is that both
c and d
switches are ON position, which the power supply voltage is selected 5V DC.
Fig 2.14 Encoder Power supply selcting switch S1
* 1. Default voltage setting is DC12.4 ± 0.05V
* 2. 1 Default voltage setting is DC5.15 ± 0.05V
* 3. This voltage isn't regulated, therefore DO NOT SELECT and DO NOT USE FOR A ENCODER POWER SUPPLY.
5VDC power supply Adjustment
(Default: DC5.15±0.05V)
5VDC power supply Adjustment
(Default: DC12.4±0.05V)
Encoder power supply selection
(Default: 5VDC)
Setting
of ①
Voltage of
Power supply
OFF OFF DC12V
ON
(default)
ON
(default)
DC5V
OFF ON Don't use
ON OFF Don't use
ON
OFF
①②
5V
12V
Setting
of ②
*1
*2
*3
*3
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YASKAWA Varispeed L7 Specifications

General

Brand	YASKAWA
Model	Varispeed L7
Category	Inverter
Language	English