Mitsubishi MELSEC-Q Series User Manual page 54

2
SYSTEM CONFIGURATION
Table2.1 Restrictions on the system configuration, and available base units, extension cables and power supply
modules
Maximum number of
extension stages of
extension base units
Maximum number of
mounted I/O modules
Available main base unit
model
Available extension
base unit model
Extension cable
Q series power supply
module
2
- 8 2.1 System Configuration
2.1.4 Overview of system configuration
Module types requiring no power supply module
Module types requiring a Q series power supply
module
QC05B, QC06B, QC12B, QC30B, QC50B, QC100B
Q61P-A1, Q61P-A2, Q61P, Q62P, Q63P, Q64P
Precautions
• Do not use extension cables longer than the overall length of 13.2m
(43.31ft.).
• When using an extension cable, keep it away from the main circuit (high
voltage and heavy current) line.
• Set the number of extension stages so that the number is not duplicated with
another.
• The Q6 RB or QA1S6 B cannot be used as an extension base unit.
• Connect the extension cable from OUT of the extension cable connector of
the base unit to IN of the extension base unit on the next stage.
• An error occurs if the number of mounted modules is 65 or more.
• Bus connection of the GOT is not available.
7 extension stages
64 modules
Q33B, Q35B, Q38B, Q312B
Q52B, Q55B
Q63B, Q65B, Q68B, Q612B