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Inverter Positioning Section 5-3
ORIGIN SEARCH:
ORG(889)
ORG(889) performs an origin search or origin return operation.
• Origin Search:
Pulses are output to establish the origin based on origin proximity input
and origin input signals.
• Origin Return:
The positioning system is returned to the origin.
The parameters for pulse output 0 or pulse output 1 must be set in advance in
the PLC Setup to perform either an origin search or origin return operation.
SFirst word of
settings table
S1 Acceleration rate
0001 to FFFF hex (1 to
65,535 Hz)
Specify the increase or
decrease in the fre-
quency in Hz per pulse
control period (4 ms).
S1+1 Deceleration rate
0001 to FFFF hex (1 to
65,535 Hz)
S1+2 (lower 4
digits)
Target Frequency in Hz
Pulse output 0 or 1: 0000 0000 to 0001 86A0
hex (0 to 100 kHz)
J models: 0000 0000 to 0000 4E20 hex
(0 to 20kHz)
S1+3 (upper 4
digits)
S1+4 (lower 4
digits)
Number of Pulses
• Relative pulses: 0000 0000 to 7FFF FFFF hex
(0 to 2,147,489,647)
• Absolute pulses: 8000 0000 to 7FFF FFFF
hex (−2,147,489,648 to 2,147,489,647)
S1+5 (upper 4
digits)
FFirst word of
starting fre-
quency
F (lower 4 dig-
its)
Starting Frequency in Hz
Pulse output 0 or 1: 0000 0000 to 0001 86A0
hex (0 to 100 kHz)
J models: 0000 0000 to 0000 4E20 hex
(0 to 20kHz)
F+1 (upper 4
digits)
Operand Description
Operand Description
P Port specifier 0020 hex: Inverter positioning 0
0021 hex: Inverter positioning 1
C Control data Bits 0 to 3 Not used: Always set to 0 hex
Bits 4 to 7 Not used: Always set to 0 hex
Bits 8 to 11 Not used: Always set to 0 hex
Bits 9 to 15 Mode
0 hex: Origin search
1 hex: Origin return
ORG(889)
P
C
C: Control data
P: Port specifie
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