10 - 4                 10 - 4 
MELSEC-Q
10   PART NAMES 
 
Spring clamp terminal block type 
 
1)
2)
3)
4)
5)
6)
8)
7)
 
 
 
 
 
No. Name  Description 
1)  Module fixing hook 
Hook used to fix the module to the base unit.  
(Single-motion installation) 
2)  I/O indicator LED 
Used to indicate the I/O status (on/off). The corresponding LED turns on 
when the I/O status is on. 
3)  Wire insertion slot  Hole inserted a wire to in wiring (Circular hole) 
4)  Tool insertion slot  Hole inserted a spring clamp terminal block tool to in wiring (Square hole) 
5)  Connection check indicator  Comes out if a wire is inserted in wiring 
6)  Module loading lever  Used to load the module into the base unit 
7)  Module fixing screw hole  Used to fix the module to the base unit. 
8)  Metal fitting  Do not touch as this may be deformed.