Omron CJ1M-CPU21, Operation Manual

Page: 139 / 267

110
ACCELERATION CONTROL: ACC(888) Section 5-8
Variations
Applicable Program Areas
Operands P: Port Specifier
The port specifier specifies the port where the pulses will be output.
M: Output Mode
The content of M specifies the parameters for the pulse output as follows:
S: First Word of Settings Table
The content of S to S+2 controls the pulse output as shown in the following
diagrams.
Operand Specifications
Variations Executed Each Cycle for ON Condition ACC(888)
Executed Once for Upward Differentiation @ACC(888)
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification Not supported
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
P Port
0000 hex Pulse output 0
0001 hex Pulse output 1
0 3 4 7 8 11 12 15
M
Mode
0 hex: Continuous mode
1 hex: Independent mode
Direction
0 hex: CW
1 hex: CCW
Pulse output method (See note.)
0 hex: CW/CCW
1 hex: Pulse + direction
Always 0 hex.
Note: Use the same pulse output method when using both pulse outputs 0 and 1.
S+1
S+2
S
0 15
Lower word with target frequency
Upper word with target frequency
0 to 100,000 Hz
(0000 0000 to 0001 86A0 hex)
Specify the frequency after acceleration in Hz.
Acceleration/deceleration rate
1 to 2,000 Hz (0001 to 07D0 hex)
Specify the increase or decrease in the frequency per pulse control period (4 ms).
Area P M S
CIO Area --- --- CIO 0000 to CIO 6141
Work Area --- --- W000 to W509
Holding Bit Area --- --- H000 to H509
Auxiliary Bit Area --- --- A000 to A957
Timer Area --- --- T0000 to T4093
Counter Area --- --- C0000 to C4093
DM Area --- --- D00000 to D32765
EM Area without bank --- --- ---
EM Area with bank --- --- ---