Mitsubishi Electric Q12DCCPU-V User Manual page 213

5
ACCESS VIA NETWORK MODULES
(b) Total link device refresh time (
The total link device refresh time can be calculated by the following formula, with
the points assigned to link devices.
[Total link device refresh time]
, = KM1 + KM2
T R
: Total link device refresh time (sending side)
T
: Total link device refresh time (receiving side)
R
LB: Total points of link relay (LB) refreshed by the station
LW: Total points of link register (LW) refreshed by the station
LX: Total points of link input (LX) refreshed by the station
LY: Total points of link output (LY) refreshed by the station
KM1,KM2 : Constants
CC-Link IE controller network module
location
Main base unit
Extension base unit
* 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.
5.4 CC-Link IE Controller Network Module Access Function
5.4.5 Link data transfer processing time specifications
)
T, R
LB LX LY
LW
16
Table 5.11 KM1 and KM2 values
KM1
1.0
1.0
[ms]
*1
*1
*1
*1
KM2
-3
0.36 10
-3
0.96 10
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