Panasonic MCDDT3520 - Page 47

47
[Preparation]
Preparation
<Note>
• When the output source is the encoder
• If the encoder resolution X is multiple of 4, Z-phase will be fed out synchronizing with A-phase.
In other case, the Z-phase width will be equal to the encoder resolution, and will not synchronize with
A-phase because of narrower width than that of A-phase.
• In case of the 5-wire, 2500P/r incremental encoder, the signal sequence might not follow the above fig.

until the first Z-phase is fed out. When you use the pulse output as the control signal, rotate the motor 
one revolution or more to make sure that the Z-phase is fed out at least once before using.
SV.Pr44
SV.Pr45
A
B
Z
A
B
Z
synchronized
not-synchronized
SV.Pr44
SV.Pr45
when the encoder resolution is multiple of 4,
SV.Pr44
SV.Pr45
when the encoder resolution is not multiple of 4,
Frame ground


Signal ground
FG


GND
18


26
• Internally connected to the ground terminal inside the servo driver.

• Signal ground
• Internally insulated from the control signal power supply (COM–) inside the
servo driver.
Application Code Function
Connector
pin No.
Others