Mitsubishi Electric MELSEC-Q Series User Manual page 33

2 SYSTEM CONFIGURATION
System configuration
Maximum number of
Extension Stages
Maximum number of
input/output modules to
be installed
Maximum number of
input/output points
Main base unit
Extension base unit
Extension cable
(1) Do not use an extension cable longer than an overall extension length of 13.2m(43.31ft.).
(2) When using an extension cable, do not bind it together with the main circuit (high voltage and
(3) When setting the No. of the expansion stages, set it in the ascending order so that the same
(4) The QA1S6 B/QA65B cannot be connected as an extension base unit.
Notes
(5) Connect the extension cable from OUT of the extension cable connector of the base unit to IN
(6) If 25 or more modules are installed, an error will occur.
(7) When bus-connected, the GOT occupies one extension stage and one slot.
(8) The Q00/Q01CPU processes the GOT as a 16-point intelligent function module. Hence,
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(2) Outline of system configuration
Extension
cable
Extension 1
Extension 2
The above system assumes that each slot is loading with
a 32-point module.
QC05B, QC06B, QC12B, QC30B, QC50B, QC100B
heavy current) line or do not lay down them closely to each other.
No. is not set simultaneously by two extension base units.
of the extension base unit on the next stage.
connection of one GOT decreases the number of controllable points on base units by 16 points.
Main base unit (Q312B)
0 1 2 3 4 5 6 7 8 9 10 11
00 20 40 60 80 A0
C
O
U P
T
U
1F 3F 5F 7F 9F BF
Extension base unit (Q68B)
12 13 14 15 16 17 18
180 1A0 1C0 1E0 200 220 240
O
I
U
N
T
19F 1BF 1DF 1FF 21F 23F 25F
Extension base unit (Q65B)
20 21 22 23
280 2A0 2C0 2E0
O
I
U
N T
29F 2BF 2CF 2FF
Loading will cause error
Four Extension Stages
24 modules
1024
Q33B, Q35B, Q38B, Q312B
Q52B, Q55B, Q63B, Q65B, Q68B, Q612B
Slot No.
C0 E0 100 120 140 160
DF FF 11F 13F 15F 17F
19
260
27F
MELSEC-Q
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