Rockwell Automation 1397 Pulse Encoder Interface Installation Inst. - Manual (Page 9)

1397 Pulse Encoder Interface Card 9
1397-5.13 June, 1997
To configure the board for the selected pulse encoder, (4) parameters
are set. An additional parameter may be checked for board status. Setup
ATTENTION: The incorrect setting of parameters P.039 or
P.048 can cause an overspeed condition. Both parameters
must be set by a qualified person who understands the
significance of setting them. Set the value of these parameters
accurately per your application requirements. Failure to
observe this precaution could result in bodily injury.
!
P.039 — Set Feedback Type to Encoder
This parameter is set to match the type of drive feedback signal used.
Default Value = Arm Volt
P.041 — Set Max Motor Speed
This parameter is set to match the motor’s rated nameplate speed ( N
2
) ,
the same value that was used in Step 2 on page 3.
Default Value = 500 RPM
P.048 — Set Encoder PPR
This parameter is set to the pulse encoder’s rated PPR ( PPR
req
), the
value that was selected in Step 3 on page 3.
Default Value = 18 PPR
P.049 — Set Encoder Quad to Off (Disabled) for a Single-Channel Encoder
Set Encoder Quad to On (Enabled) for a Quadrature
(Dual-Channel) Encoder
This parameter is set to match the type of pulse encoder, either
single-channel or quadrature (dual-channel).
Default Value = On