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47
I/O Response Time Characteristics
Section 2-5
T
MIN
= IN + T
S(IN)
+ T
M-in-min
+ T
I/O
+ T
PLC
+ T
M-out-min
+ T
S(OUT)
+ OUT
T
MIN
:
Minimum I/O response time
T
PLC
:
PLC’s cycle time
Ts (IN): Input data transmission time for one node
High-speed Communications Mode: 20
µ
s
Long-distance Communications Mode: 160
µ
s
T
M-in-min
:Input processing time in the Master
T
M-out-min
: Minimum output processing time in the Master
T
S (OUT)
: Output data transmission time for one node
High-speed Communications Mode: 15
µ
s
Long-distance Communications Mode: 110
µ
s
IN:
Input delay in the Slave (Minimum value is 0.)
OUT:
Output delay in the Slave (Minimum value is 0.)
T
I/O
:
I/O refreshing time
CS-series, C200HX/C200HG/C200HE-(Z)E, and C200HS Master
Units
CS-series Master Units
Note
1. The values in the above table are applicable when con-
nected to the CPU Rack. Add another 20
µ
s
to the values
shown in the table when connected to an Expansion
Rack.
Master
Input processing time
CS Series, C200HX/C200HG/
C200HE-(Z)E, and C200HS
160
µ
s
CS Series
20
µ
s (allocated words for 1 unit
number), 25
µ
s (allocated words for
2 unit numbers)
CJ Series
25
µ
s
CQM1 120
µ
s
Master
Min. input processing time
CS Series, C200HX/C200HG/
C200HE-(Z)E, and C200HS
35
µ
s
CS Series
35
µ
s (allocated words for 1 unit
number), 45
µ
s (allocated words for
2 unit numbers)
CJ Series
45
µ
s
CQM1
40
µ
s
Master
Usable node number setting
IN0 to IN7 and
OUT0 to OUT7
IN0 to IN15 and
OUT0 to OUT15
CS Series, C200HX/
C200HG/ C200HE-(Z)E
T
I/O
= 440
µ
s
T
I/O
= 880
µ
s
C200HS
T
I/O
= 1,000
µ
s
T
I/O
= 2,000
µ
s
Master
Usable node number setting
IN0 to IN7 and
OUT0 to OUT7
IN0 to IN15 and
OUT0 to OUT15
CS1 (without -H suffix)
T
I/O
= 160
µ
s
T
I/O
= 180
µ
s
CS1-H
T
I/O
= 120
µ
s
T
I/O
= 130
µ
s