Hitachi PB Series User Manual page 32

(See Section 1.5.3-1
in the Instruction
Manual "Ready
Output Signal")
2–8 2.1 Startup
2. Switching between "Ready" state and "Standby" state
When the conveyor interlock is activated by the Ready output signal, be careful
not to switch to "Standby" state because this will stop the conveyor.
You can abort the operation by pressing the [Manual] key from either the
"Control menu" screen or the confirmation screen.
Section 2