Details Of Plc Axis Control Information Data - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (2/2)
14 PLC Help Function
14.33 PLC Axis Control

14.33.4 Details of PLC Axis Control Information Data

Status
The status is set by the NC to indicate the execution status of this function instruction and the status of the axis being
controlled.
F E D
R1n+1
(1st axis)
bit0: busy Command processing
bit1: den Axis movement completed
bit2: move Axis moving
bit3: SA Servo ready
bit4: svon Servo ON
bit5: ZP Reference position reached
bit6: IMP In in-position
bit7: WAIT Axis movement wait
bit0: busy Command processing
This turns ON when the command is being processed.
The next command is not received while this bit is ON.
The next command to be issued is received while this bit is OFF.
bit1: den Axis movement completed
This bit turns ON when the initialization and commanded movement are completed.
This bit stays OFF during movement, even when an interlock is applied.
This bit turns ON at reset or servo OFF, or when PLC axis control valid is "0".
bit2: move Axis moving
This bit turns ON when the machine is moving, and turns OFF when the machine is stopped.
bit3: SA Servo ready
This bit turns ON when the servo is ready.
It turns OFF during emergency stops and servo alarms.
bit4: svon Servo ON
This bit turns OFF when a servo OFF signal is output.
It also turns OFF during emergency stops and servo alarms.
Machine movement is possible when this signal is ON.
bit5: ZP Reference position reached
This bit turns ON when the reference position is reached after completion of a reference position return.
It turns OFF when the machine moves.
bit6: IMP In in-position
This bit turns ON when the PLC axis is in the in-position state, and turns OFF when not in the in-position state.
bit7: WAIT Axis movement wait
This bit turns ON in the buffering mode while completion of the axis movement of the preceding block is being waited for.
It turns OFF when the previous block movement is completed and the movement of the next block begins.
bit8: oper Option error
This bit turns ON when an attempt is made to execute PLC axis control when there is no PLC axis control additional
specification.
C B A 9 8 7 6
bit8: oper
bit9
bitA:
bitB:
bitC:
bitD:
bitE: ALM2
bitF: ALM1
5 4 3 2 1 0
Option error
Axis in control alarm
Control information data designation alarm
805 IB-1501668-B