Hitachi WJ200 Series Quick Reference Manual page 37

8.7 State machine on PROFIdrive
8.7.1 State diagram
(0_1)
(1-1_2)
S2 : Ready For Switching On
(2_3)
(3_1)
(3_4)
(4_1)
Note : The black rounded rectangles means every states.
Each transition is the following. Upper transition is given priority.
Transition source
From initial state
In case of error.
From S1-1
From S1-2
Start
S1 : Switching On Inhibited
S1-1 : Normal
(1-2_1-1)
(2_1)
(3_2)
S3 : Switched On
(4_3)
S4 : Operation
(4-1_4-2)
S4-1 : Normal
(4-2_4-1)
Transition
(0_1)
(0_1-3)
(0_1-2)
(1-1_2)
(1-2_1-1)
Chapter 8 PROFINET Specification
S1-2 : Fault
(1-3_1-2)
S1-3 : Fault reaction active
S5 : Switching Off
(51_2)
S51 : ramp stop
(51_4)
S4-2 : Jogging
Power on, or reset.
When WJ200 / WL200 is on the operation and either of
the following conditions are satisfied.
- The communication error is occurred between
WJ-PN and WJ200 / WL200.
- The communication timeout error that it has been
the time of P044 since previous communication
occurs on PROFINET and P045 = 1.
When except the above error occurs.
When all of the following conditions of STW1 are
satisfied.
Bit0 = OFF, Bit1 = ON, Bit2 = ON
When STW1 Bit7 becomes from OFF to ON and keeps
ON for at least 20ms.
31
(0_1-2)
(5_1) (52_1)
(0_1-3)
S52 : quick stop
(51_52)
(4_51)
(4_52)
Condition