Mitsubishi Electric MELSEC Q Series User Manual page 53

(2) When using the slim type main base unit (Q3 SB)
(a) System configuration
Battery for
QCPU (Q6BAT)
*1: The slim type main base unit does not have an extension cable connector.
The extension base unit and GOT cannot be bus-connected.
*2: As a power supply module, use the slim type power supply module.
Keep the current consumption within the rated output current of the power supply module.
The Q series power supply module and the redundant power supply module are not available for the power supply
module.
When the multiple CPU system is configured using the Basic model QCPU as the CPU No.1, only the C Controller module
can be used as the CPU No.2.
2 - 5
Basic model
QCPU
Figure 2.3 System configuration when Q3
C Controller
module
1, 2
Slim type main base unit * *
Slim type power supply/input/output/intelligent
function module
SB is used