Mitsubishi Electric Q26UD(E)HCPU User Manual page 230

(6) Redundant power extension base unit (Q68RB)
6)
IN OUT
3)
2)
1)
No. Name
1) Extension cable connector
2) Base cover
3) Base No. setting connector
4) Module connector
5) Module fixing screw hole
6) Base unit installation hole
7) DIN rail adapter mounting hole
228
5)
5V 5V
SG SG
FG FG
Connector for connecting an extension cable (for signal communications with the redundant
power main base unit or other extension base unit)
Protective cover of extension cable connector.
Before connecting an extension cable, the part under OUT on the base cover must be
removed with a tool such as a flat blade screwdriver.
Connector for setting the number of bases of redundant power extension base units.
( Page 78, Section 4.3.1)
Connector for installing a redundant power supply module, I/O module and intelligent function
module.
To the connectors unused, attach the supplied connector cover or the blank cover module
(QG60) to prevent entry of dirt.
Screw hole for fixing the module to the base unit. Screw size: M3 × 12
Hole for installing this base unit on a panel such as a control panel. (For M4 screw)
DIN rail adapter mounting hole.
I/O0 I/O1 I/O2 I/O3 I/O4
4)
Application
I/O5 I/O6 I/O7
7)