5
ACCESS VIA NETWORK MODULES
5.4 CC-Link IE Controller Network Module Access Function
5.4.5 Link data transfer processing time specifications
5 - 59
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
ACCESS VIA NETWORK
MODULES
6
PREPARATORY
PROCEDURES AND
SETTING
7
I/O NUMBER
ASSIGNMENT
8
MEMORIES AND FILES
(b) Total link device refresh time ( T, R)
The total link device refresh time can be calculated by the following formula, with
the points assigned to link devices.
T: Total link device refresh time (sending side)
R: Total link device refresh time (receiving side)
LB: Total points of link relay (LB) refreshed by the station
*1
LW: Total points of link register (LW) refreshed by the station
*1
LX: Total points of link input (LX) refreshed by the station
*1
LY: Total points of link output (LY) refreshed by the station
*1
KM1,KM2 : Constants
* 1 Total of link device points within the range set by refresh parameters and set in the network range
assignment. (Excluding the points assigned to reserved stations)
Total points for the CC-Link IE controller network modules that are controlled by the C Controller
module.
Table 5.11 KM1 and KM2 values
CC-Link IE controller network module
location
KM1 KM2
Main base unit 1.0
0.36 10
-3
Extension base unit 1.0
0.96 10
-3
[Total link device refresh time]
T, R = KM1 + KM2
[ms]
16
LW
LB LX LY
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