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2 SPECIFICATIONS
2.2 Maximum Number of Connectable Modules
Remote net Ver.1 mode
The following table lists the maximum number of connectable modules of when a system is configured only with Ver.1-
compatible slave stations. For the modes, refer to the following.
Page 23 Modes
For one master station, 64 modules of a remote I/O station, remote device station, local station, standby master station, and
intelligent device station can be connected in total. Note, however, that the following conditions must be satisfied.
Remote net Ver.2 mode
The following table lists the maximum number of connectable modules of when a system is configured only with Ver.2-
compatible slave stations. For the modes, refer to the following.
Page 23 Modes
For one master station, 64 modules of a remote I/O station, remote device station, local station, standby master station, and
intelligent device station can be connected in total. Note, however, that the following conditions must be satisfied.
Item Number of modules
Condition 1 {(1 a) + (2 b) + (3 c) + (4 d)} 64 a: Number of modules occupying 1 station
b: Number of modules occupying 2 stations
c: Number of modules occupying 3 stations
d: Number of modules occupying 4 stations
Condition 2 {(16 A) + (54 B) + (88 C)} 2304 A: Number of remote I/O stations 64
B: Number of remote device stations 42
C: Number of local stations, standby master stations, and intelligent device
stations 26
Item Number of modules
Condition 1 {(a + a2 + a4 + a8)
+ (b + b2 + b4 + b8) 2
+ (c + c2 + c4 + c8) 3
+ (d + d2 + d4 + d8) 4} 64
a: Total number of Ver.1-compatible slave stations occupying 1 station and Ver.2-
compatible slave stations occupying 1 station (extended cyclic setting: single)
b: Total number of Ver.1-compatible slave stations occupying 2 stations and Ver.2-
compatible slave stations occupying 2 stations (extended cyclic setting: single)
c: Total number of Ver.1-compatible slave stations occupying 3 stations and Ver.2-
compatible slave stations occupying 3 stations (extended cyclic setting: single)
d: Total number of Ver.1-compatible slave stations occupying 4 stations and Ver.2-
compatible slave stations occupying 4 stations (extended cyclic setting: single)
a2: Number of Ver.2-compatible slave stations occupying 1 station (extended cyclic
setting: double)
b2: Number of Ver.2-compatible slave stations occupying 2 stations (extended
cyclic setting: double)
c2: Number of Ver.2-compatible slave stations occupying 3 stations (extended
cyclic setting: double)
d2: Number of Ver.2-compatible slave stations occupying 4 stations (extended
cyclic setting: double)
a4: Number of Ver.2-compatible slave stations occupying 1 station (extended cyclic
setting: quadruple)
b4: Number of Ver.2-compatible slave stations occupying 2 stations (extended
cyclic setting: quadruple)
c4: Number of Ver.2-compatible slave stations occupying 3 stations (extended
cyclic setting: quadruple)
d4: Number of Ver.2-compatible slave stations occupying 4 stations (extended
cyclic setting: quadruple)
a8: Number of Ver.2-compatible slave stations occupying 1 station (extended cyclic
setting: octuple)
b8: Number of Ver.2-compatible slave stations occupying 2 stations (extended
cyclic setting: octuple)
c8: Number of Ver.2-compatible slave stations occupying 3 stations (extended
cyclic setting: octuple)
d8: Number of Ver.2-compatible slave stations occupying 4 stations (extended
cyclic setting: octuple)
Condition 2 [{(a 32) + (a2 32) + (a4 64) + (a8 128)}
+ {(b 64) + (b2 96) + (b4 192) + (b8 384)}
+ {(c 96) + (c2 160) + (c4 320) + (c8 640)}
+ {(d 128) + (d2 224) + (d4 448) + (d8 896)}] 8192
Condition 3 [{(a 4) + (a2 8) + (a4
16) + (a8 32
)}
+ {(b 8) + (b2 16) + (b4 32) + (b8 64)}
+ {(c 12) + (c2 24) + (c4 48) + (c8 96)}
+ {(d 16) + (d2 32) + (d4 64) + (d8 128)}] 2048
Condition 4 {(16 A) + (54 B) + (88 C)} 2304 A: Number of remote I/O stations 64
B: Number of remote device stations 42
C: Number of local stations, standby master stations, and intelligent device
stations 26