VT6L Maintenance  18. Controller Unit 
 
VT series Maintenance Manual    Rev.2  151 
18.7.1  Standard, Cleanroom model 
Tool 
Cross-point screwdriver (No. 2) 
Supplied with the module. 
 
I/O Module 
Turn OFF the Manipulator. 
Remove the optional slot cover on the back side of the Manipulator. 
Standard, 
Cleanroom model
 
 
Sems bolt: 2-M3×6 
Inset the fieldbus I/O module to the optional slot. 
 
 
CAUTION 
Check the tabs of the fieldbus I/O module are 
securely hooked on the board when 
installing fieldbus I/O module.    If tabs do not be hooked securely, connecter or 
fieldbus I/O module may get damages. 
 
 
(4)  Tighten screws by using hex lobe wrench  until 
fieldbus I/O module is fixed completely.   
 
 
Image of installation   
 
 
 
I/O Module 
Removal 
 
Standard, 
 
Unscrew the screws by using special tool until fieldbus I/O module is loosened. 
Remove the fieldbus I/O module. 
You can remove the module by pulling loosened screws toward. 
Mount the optional slot cover.