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MELSEC-
A
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
(3) Control data requiring setting
Set the following data to execute restart.
Setting item
Setting
value
Setting details
Remote input/output
Axis 1 Axis 2
Restart command 1 Set "1: restarts ". RY(n+2)5 RY(n+4)5
* Refer to section "3.4 Specifications of input/output signals for master module" for details on the setting details.
(4) Starting conditions
The following conditions must be satisfied when restarting. (Assemble the
required conditions into the sequence program as an interlock.)
(1) Operation state
"Axis operation status (RWrn+7, RWrn+15)" is "1: Stopped"
(2) Signal state
Signal name Signal state
Device
Axis 1 Axis 2
Interface
signal
Remote station READY
signal
ON Positioning operation possible RX(n+7)B
D75P2 READY signal OFF D75P2 preparation completed RXn0
Axis stop signal OFF Axis stop signal is OFF RY(n+1)3 RY(n+1)4
Start complete signal OFF Start complete signal is OFF RXn1 RXn2
BUSY signal OFF BUSY signal is OFF RXn4 RXn5
Error detection signal OFF There is no error RXnA RXnB
M code ON signal OFF M code ON signal is OFF RXnD RXnE
External
signal
Drive unit READY signal ON Drive unit preparation completed RX(n+1)2 RX(n+4)2
Stop signal OFF Stop signal is OFF RX(n+1)6 RX(n+4)6
Upper limit (FLS) ON Within limit range RX(n+1)7 RX(n+4)7
Lower limit (RLS) ON Within limit range RX(n+1)8 RX(n+4)8