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(2) Master station and local stations
(a) Master station (RX)
Shows the time after the local station CPU module device is turned on or off until the master station CPU
module device is turned on or off.
[m = 1]
Block Data Assurance per Station
Calculation
value
Asynchronous mode
Normal value
(SM × 1) + (LS × k) + (SL × 1)
Maximum
(SM × 1) + {LS × (k + n1)} +
value
(SL × 1)
[m = 2 to 4]
Block Data Assurance per Station
Calculation
value
Asynchronous mode
(SM × 1) + (LS × m × k) +
Normal value
(SL × n)
Maximum
(SM × 1) + {LS × m × (k + n1)} +
value
{SL × (n + 1)}
SM : Master station sequence scan time
LS : Link scan time
SL : Local station sequence scan time
n : (LS × m) LS (Round up the calculated value to the nearest integer.)
n1 : SM LS (Round up the calculated value to the nearest integer.)
k : SL (LS × m) (Round up the calculated value to the nearest integer.)
m : Number of points of "RWw/RWr Setting" set for the local station in "Network Configuration Settings"
Item
m
(b) Master station (RY) Local station (RX)
Shows the time after the master station CPU module device is turned on or off until the local station CPU
module device is turned on or off.
Block data assurance per station
Calculation
value
Asynchronous mode
Normal value
(SM × 1) + (LS × n3) + (SL × 1)
Maximum
(SM × 1) + {LS × (n3 + 1)} +
value
(SL × 2)
SM : Master station sequence scan time
LS : Link scan time
SL : Local station sequence scan time
n3 : SL LS (Round up the calculated value to the nearest integer.)
Local station (RY)
Synchronous mode
(SM × 1) + (LS × 1) + (SL × 1)
(SM × 1) + (LS × k) + (SL × 1)
Synchronous mode
(SM × 1) + (LS × m) + (SL × n)
(SM × 1) + (LS × m × 2) +
{SL × (n + 1)}
Number of points in "RWw/RWr Setting"
0 to 256 words
257 to 512 words
1
Synchronous mode
(SM × 1) + (LS × 1) + (SL × 2)
(SM × 1) + (LS × 2) + (SL × 2)
No Block Data Assurance per Station
Asynchronous mode
(SM × 1) + (LS × 1) + (SL × 1)
(SM × 1) + (LS × 2) + (SL × 1)
No Block Data Assurance per Station
Asynchronous mode
(SM × 1) + (LS × m) + (SL × n)
(SM × 1) + {LS × (n1 + 1)} +
(SL × 2)
513 to 768 words
2
3
No block data assurance per station
Asynchronous mode
(SM × 1) + (LS × 1) + (SL × 1)
(SM × 1) + (LS × 2) + (SL × 2)
APPENDICES
Synchronous mode
(SM × 1) + (LS × 1) + (SL × 1)
(SM × 1) + (LS × k) + (SL × 1)
Synchronous mode
(SM × 1) + (LS × m) + (SL × n)
(SM × 1) + (LS × m × 2) +
(SL × 2)
769 to 1024 words
4
Synchronous mode
(SM × 1) + (LS × 1) + (SL × 1)
(SM × 1) + (LS × 2) + (SL × 2)
525
A
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