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8 Communications Timing
8-4
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
z
Input Slaves with Less Than 8 Bytes of Input
T
RT
= 0.016
×
T
B
×
S
IN1
+ 0.06
×
T
B
+ 0.05 [ms]
S
IN1
:
The number of Input Slave input words
T
B
:
The baud rate factor
(500 kbit/s: T
B
= 2; 250 kbit/s: T
B
= 4; 125 kbit/s: T
B
= 8)
z
Mixed I/O Slaves with Less Than 8 Bytes of Input or Output
T
RT
= 0.016
×
T
B
×
(S
OUT2
+ S
IN2
) + 0.11
×
T
B
+ 0.07 [ms]
S
OUT2
: The number of Mixed I/O Slave output words
S
IN2
:
The number of Mixed I/O Slave input words
T
B
:
The baud rate factor
(500 kbit/s: T
B
= 2; 250 kbit/s: T
B
= 4; 125 kbit/s: T
B
= 8)
z
Slaves with More Than 8 Bytes of Input or Out put
T
RT
= T
OH
+ T
BYTE-IN
×
B
IN
+ T
BYTE-OUT
×
B
OUT
[ms]
T
OH
:
Protocol overhead
T
BYTE-IN
:
The input byte transmission time
B
IN
:
The number of input words
T
BYTE-OUT :
The output byte transmission time
B
OUT :
The number of output words
For Input Slaves take B
OUT
to be 0, and for Output Slaves take B
IN
to be 0.
Baud rate
T
OH
T
BYTE-IN
T
BYTE-OUT
500 kbit/s
0.306 ms
0.040 ms
0.036 ms
250 kbit/s
0.542 ms
0.073 ms
0.069 ms
125 kbit/s
1.014 ms
0.139 ms
0.135 ms
Содержание CJ1W-DRM21
Страница 12: ...Manual Structure 10 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 42: ...Revision History 40 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 214: ...6 Message Communications 6 26 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 ...
Страница 345: ...Index 1 CJ series DeviceNet Units Operation Manual for NJ series CPU Unit W497 I Index ...
Страница 349: ......