46
I/O Response Time Characteristics
Section 2-5
CJ-series Master Units
Note
Add another 15
µ
s
to the values in the table when using the Slave
registration function or communications stop mode.
CQM1 Master Units
Recognition of Slave I/O
Status at Startup
When the CompoBus/S System is turned ON, the I/O of Slaves connected to
CQM1 Masters may not become effective at the same time as the I/O of
Slaves connected to CS-series, CJ-series, C200HX/C200HG/C200HE-(Z)E,
and C200HS Masters.
CS-series, CJ-series, C200HX/C200HG/C200HE-(Z)E, and C200HS
Masters
The I/O of a Slave connected to a CS-series, C200HX/C200HG/C200HE-
(Z)E, C200HS, or CJ-series Master becomes effective when the Active Node
Flag for the Slave goes ON.
CQM1 Masters
The I/O of a Slave connected to a CQM1 Master becomes effective some time
after the Master’s PLC is turned ON.
In High-speed Communications Mode: (PLC cycle time) + 118 ms
In Long-distance Communications Mode: (PLC cycle time) + 720 ms.
2-5-2
Slave Analog Terminals
Minimum I/O Response
Time
The following timing chart shows the minimum I/O response time.
The minimum I/O response time is the total of the following terms:
Master
Usable node number setting
IN0 to IN7 and OUT0
to OUT7
IN0 to IN15 and
OUT0 to OUT15
CJ1
T
M-out-max
= 100
µ
s
T
M-out-max
= 130
µ
s
Master
Number of points/
node number
Max. output pro-
cessing time
CQM1
8-point mode
480
µ
s
4-point mode
1,040
µ
s
PLC cycle
Master Unit
processing
Communications
cycle
Input
Output
Slave
processing
Minimum I/O response time (T
MIN
)
T
S
(IN)
T
PLC
T -out-min
IN
T
I/O
T
M
-in-min
Ts
(OUT)
OUT
M