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Chapter 5.  DETAILED DESCRIPTION OF EACH FUNCTION
Polarity of output bit function
The polarity after the output bit function (functions 1 to 4) can be set.
Item (Bank) Display Contents Initial value User level
Control output 1 Polarity 
(DO Assignment bank)
0: Direct
1: Reverse
0 High function
Control output 2 Polarity 
(DO Assignment bank)
0
Event output 1 Polarity 
(DO Assignment bank)
0
Event output 2 Polarity 
(DO Assignment bank)
0
Event output 3 Polarity 
(DO Assignment bank)
0
•  When the object control output is the relay output or voltage pulse output, and 
the operation type of the DO Assignment is set for output bit functions 1 to 4, the 
display and setting can be made.
•  When the object event output is provided and the operation type of the DO 
Assignment is set for output bit functions 1 to 4, the display and setting can be 
made.
Latch
The latch of the output ON status or output OFF status can be set.
Item (Bank) Display Contents Initial value User level
Control output 1 Latch 
(DO Assignment bank)
0: None
1: Latched (Latched when turned ON.)
2:  Latched (Latched when turned OFF 
except for initialization at power ON.)
0 High function
Control output 2 Latch 
(DO Assignment bank)
0
Event output 1 Latch 
(DO Assignment bank)
0
Event output 2 Latch 
(DO Assignment bank)
0
Event output 3 Latch 
(DO Assignment bank)
0
•  When the object control output is the relay output or voltage pulse output, and 
the operation type of the DO Assignment is set for output bit functions 1 to 4, the 
display and setting can be made.
•  When the object event output is provided and the operation type of the DO 
Assignment is set for output bit functions 1 to 4, the display and setting can be 
made.
•  To release the latch status, it is necessary to turn OFF the power, and turn it ON 
again, to release all DO latches (key operation or communication), or to change 
the latch setting of the DO Assignment to “0” (none).