Operation mode and state transition
The following describes the state transition and transition conditions of the safety remote I/O module.
(6) Moderate error state
g
(7) Major error state
*1 When a moderate error or major error has occurred, the state is changed into an error state.
■Operation mode/state
No.
Mode/state
(1)
Power supply OFF state
(2)
Initial processing state
(3)
Unit test mode
(4)
Standby mode
(5)
Safety drive mode
(6)
Moderate error state
(7)
Major error state
■Transition condition
Symbol
Transition condition
a
When the module is powered on
When the station number setting switch 10 is set to TEST and the station number setting switch 1 is set to 0 in the power supply OFF state
b
c
When the initial processing is completed successfully
d
When Safety module enabled flag (address: 1005H) is on and the safety communication with the master station is established
For Safety module enabled flag (address: 1005H), refer to the following.
Page 125 Safety module enabled flag (address: 1005H)
e
When the safety communication is disconnected
f
When a moderate error has occurred
g
When a major error has occurred
h
When a parameter data error is eliminated. For parameter data errors, refer to the following.
Page 95 Error Code List
To switch the operation mode/state from the unit test mode, moderate error state, or major error state, power
off and on the module.
3 SPECIFICATIONS
30
3.3 Function List
(1) Power supply OFF state
a
(2) Initial processing state
f
g
c
h
f
*1
(4) Standby mode
g
d
e
f
g
*1
(5) Safety drive mode
Description
The power supply is not turned on. Change the station number using the station number setting switch or wire
the module at this state.
Page 35 INSTALLATION AND WIRING
The initial processing is performed at this state.
The unit test is performed at this state.
Page 88 Unit Test
The safety functions of the safety remote I/O module do not operate at this state. Set parameters in this
mode.
Page 62 PARAMETER SETTINGS
The safety functions of the safety remote I/O module operate at this state.
A moderate error has occurred.
A major error has occurred.
b
(3) Unit test mode