![background image](http://html1.mh-extra.com/html/omron/grt1-crt-05-2008/grt1-crt-05-2008_operation-manual_742290110.webp)
91
Performance of Remote I/O Communications
Section 8-1
T
MIN
= T
IN
+ T
SL-IN
+ T
SL-CI
+ T
CrmInMin
+ T
Cyc
×2 + T
CrmOutMin
+ T
NetOut
+
T
SL-CO
+ T
SL-OUT
+ T
OUT
T
IN
:
ON (OFF) delay time for Input Unit
T
SL-IN
:
Communications time for input data on SmartSlice bus
T
SL-CI
:
Input data processing time for CompoNet Communications Unit
T
CrmInMax
: Minimum input processing time at CompoNet Master Unit
T
Cyc
:
Cycle time of CPU Unit
T
CrmOutMax
: Minimum output processing time at CompoNet Master Unit
T
NetOut
:
Part of communications cycle time given to output frames
T
SL-CO
:
Output data processing time for CompoNet Communications Unit
T
SL-OUT
:
Communications time for output data on SmartSlice bus
T
OUT
:
ON (OFF) delay time for Output Unit
ON (OFF) Delay Time for
I/O Units: T
IN
/T
OUT
SmartSlice I/O Units have different ON/OFF delay times.
Refer to the SmartSlice GRT1 Series SmartSlice I/O Units Operation Manual
(Cat. No. W455) for more information.
Communications Cycle
Time of SmartSlice Bus:
T
SL
This is the time from communications with one SmartSlice I/O Unit until the
subsequent communications with the same SmartSlice I/O Unit.
T
SL
= 0.66
+ (The total size of Word Input Units (in bytes)
×
0.011)
+ (The total size of Bit Input Units (in bits)
×
0.009)
+ (The total size of Word Output Units (in bytes)
×
0.004)
+ (The total size of Bit Output Units (in bits)
×
0.001) [ms]
Data Processing Times for
CompoNet
Communications Unit:
T
SL-CI
/T
SL-CO
These are the data processing times for the CompoNet Communications Unit.
The input data processing time and output data processing time are different.
T
SL-CI
= 0.71 + Total input size (in bytes)
×
0.003 [ms]
T
SL-CO
= 0.2 + Total output size (in bytes)
×
0.001 [ms]
Communications Times
on the SmartSlice Bus:
T
SL-IN
/T
SL-OUT
These are the times for communications with a SmartSlice I/O Units. The
input data processing time and output data processing time are different.
T
SL-IN
= 0.01
×
Input size (in bytes) [ms]
T
SL-OUT
= 0.18 + Total Output size (in bytes)
×
0.002 [ms]
T
NetCyc
T
CrmInMin
T
NetCyc
T
NetOut
T
IN
T
OUT
T
SL-IN
T
SL-OUT
T
SL-Cl
T
SL-CO
T
Cyc
T
CrmOutMin
CPU Unit
CompoNet
communications
cycle
CompoNet
Communications
Unit
Slice bus
Input Slave
Output Slave
CompoNet
Master Unit
Содержание GRT1-CRT - 05-2008
Страница 1: ...CompoNet Communications Unit Cat No W476 E1 01 SmartSlice GRT1 CRT OPERATION MANUAL ...
Страница 2: ...SmartSlice GRT1 CRT CompoNet Communications Unit Operation Manual Produced May 2008 ...
Страница 3: ...iv ...
Страница 17: ...About this Manual xviii ...
Страница 28: ...9 Specifications Section 1 4 1 4 3 Dimensions 12 23 1 25 1 61 2 69 7 58 3 8 4 3 mm ...
Страница 29: ...10 Specifications Section 1 4 ...
Страница 39: ...20 Switches Section 2 3 ...
Страница 47: ...28 Installing the Turnback Units Section 3 2 ...
Страница 99: ...80 Last Maintenance Date Section 6 12 ...
Страница 113: ...94 Performance of Message Communications Section 8 2 ...
Страница 127: ...108 Other Error Causes and Error Procedures Section 9 3 ...
Страница 141: ...122 Power Consumption and Weight Tables Appendix D ...
Страница 143: ...124 Total I O Current Consumption Table Appendix E ...
Страница 147: ...128 Index ...
Страница 149: ...130 Revision History ...