HEIDENHAIN MSE 1000 - Manual (Page 22)

Mounting
Releasing a module
22 Operating Instructions
4.5 Releasing a module
Release a module To release a module:
Verify all power switches are in the off position (if applicable) and power is removed
from all power supply modules in the module chain.
Press a flat-edge screwdriver into the lock tab receiver 29 opening at the top left of
the right hand module and press down on the lock tab 7 of the left hand module to
release the module.
Gently apply upward pressure, depressing the DIN rail spring 32 .
While maintaining upward pressure, rotate the top of the module away from the
DIN rail.
Gently release the upward pressure, releasing the module from the DIN rail.