Mounting the Racks
Original instructions
About us
Introduction
Modicon X80 racks can be mounted inside or outside of an enclosure on a:
When mounted on a DIN rail, the system is more susceptible to mechanical stress.
NOTE: Mount the racks on a properly grounded metallic surface to allow the PAC to operate correctly in the presence of electromagnetic interference.
DIN Rail
You can mount the Modicon X80 rack on one of the following DIN rails:
Symmetric DIN rail
Double-profile DIN rail
Type A
Type B
NOTE: When mounted on a type B symmetric DIN rail, the rack withstands less mechanical stress.
Mounting on a DIN Rail
Racks longer than 400 mm (15.75 in.) that support more than 8 module slots are not compatible with DIN rail mounting.
NOTICE
EQUIPMENT DAMAGE
Do not mount BMXXBP1200(H), BMEXBP1200(H), and BMEXBP1002(H) racks on a DIN rail.
Failure to follow these instructions can result in equipment damage.
Mounting a rack on a DIN rail:
Step
Action
Illustration
1
Position the upper DIN-rail locking mechanism at the rear of the rack as illustrated.
Press down on the rear section of the rack in order to compress the springs.
2
Rotate the rack to the DIN rail until it clicks.
To remove a rack from a DIN rail:
Step
Action
1
Press down the top of the rack to compress the springs in contact with the DIN rail.
2
Tilt the bottom of the rack forward to disengage it from the DIN rail.
3
Release the freed rack.
Mounting on a Panel or Mounting Plate
You can mount the rack on a panel or a plain mounting plate with M4, M5, M6, or UNC #6-32 screws inserted in the fastening holes.
You can also mount a rack on a Telequick mounting plate NSYMR•• using clip-on nuts: 
1
Telequick plate 
2
Clip-on nuts (references AF1EA4 to AF1EA6)
Place the two left side screws (near the power supply) as close as possible to the left edge of the rack. This enables you to access the screws after the power supply is mounted.
NOTE: The two right side screws are accessible until there is no rack extender module installed.