Encoder Input Selection - Mitsubishi Electric 800 Series Instruction Manual

4.3

Encoder input selection

Pr.
Pr. Name
group
Control terminal
851 C240 option-Number of
encoder pulses
Control terminal
852 C241 option-Encoder
rotation direction
Control terminal
855 C248 option-Signal loss
detection
Encoder option
862 C242
selection
NOTE
• If operating at a frequency higher than 120 Hz with Pr.852 ="0 or 1", the motor rotation will be unstable.
40
PARAMETER
Initial Setting
value range
Set the number of pulses output from the encoder connected to the FR-A8TP.
2048 0 to 4096
Set the number of pulses before it is multiplied by 4.
Set when using a motor (encoder) for
which forward rotation is clockwise (CW)
0
viewed from the shaft
100
1
Set when using a motor (encoder) for
which forward rotation is counterclockwise
1
(CCW) viewed from the shaft
101
0 Signal loss detection disabled
0
1 Signal loss detection enabled
0 First motor: FR-A8AP, Second motor: FR-A8TP
0
1 First motor: FR-A8TP, Second motor: FR-A8AP
Description
Set for the operation at 120 Hz or
less.
CW
Set for the operation at a frequency
higher than 120 Hz.
Set for the operation at 120 Hz or
less.
CCW
Set for the operation at a frequency
higher than 120 Hz.