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5. BUS CONNECTION
5.2 System Configuration
When two GOTs are connected
*1 For the extension cables, refer to MELSEC-A/QnA catalog (L(NA)08024).
*2 Use the A168B for the extension base unit.
*3 When installing the 1st GOT 30m or more away from the main base unit, the bus connector conversion box is required.
*4 When connecting to multiple GOTs with GT 16, GT15 and GT11 mixed, use GT11 as a terminal.
*5 When using GT15-C EXSS-1 or GT15-C BS, connect as following precautions.
5.4.1 GT15-C [ ] EXSS-1, GT15-C [ ] BS
*6 The number of connectable GOTs is restricted according to the CPU type and the number of intelligent function modules.
5.4.12 When connecting multiple GOTs
Main base unit
Bus extension
connector box
Extension base
unit
Connection cable 1) Connection cable 2) Connection cable 3)
Extension cable
1st GOT 2nd GOT
Communication driver
Bus(A/QnA)
PLC
*5
Connection cable 2)
GOT (1st)
*4
Main base
Extension
cable
*1
Extension
base
*2
Connection cable 1)
Bus connector
conversion box
Option device
*7*8
Model
Main base - -
--
GT15-A1SC07B(0.7m)
GT15-A1SC12B(1.2m)
GT15-A1SC30B(3m)
GT15-75ABUS2L
GT15-ABUS2
--
GT15-C100EXSS-1(10m)
GT15-C200EXSS-1(20m)
*5
GT15-75ABUS2L
GT15-ABUS2
GT15-A1SC05NB(0.45m)
GT15-A1SC07NB(0.7m)
GT15-A1SC30NB(3m)
A7GT-CNB
*3
GT15-C100EXSS-1(10m)
GT15-C200EXSS-1(20m)
*5
GT15-75ABUS2L
GT15-ABUS2
Main base
Extension
cable
Extension
base
--
GT15-A1SC07B(0.7m)
GT15-A1SC12B(1.2m)
GT15-A1SC30B(3m)
GT15-75ABUS2L
GT15-ABUS2
--
GT15-C100EXSS-1(10m)
GT15-C200EXSS-1(20m)
*5
GT15-75ABUS2L
GT15-ABUS2
GT15-A1SC05NB(0.45m)
GT15-A1SC07NB(0.7m)
GT15-A1SC30NB(3m)
A7GT-CNB
*3
GT15-C100EXSS-1(10m)
GT15-C200EXSS-1(20m)
*5
GT15-75ABUS2L
GT15-ABUS2