Proface LT4300M - 5.7 Modular HMI + Control" - Manual (Page 64)

LT Installation
64
Installation Procedures
Installing the LT Unit
In order to correctly run an application on the LT, both the display module and the rear module must
be connected.
If you power up the rear module without connecting the display module, the logic controller does
not start and all outputs remain in the initial state. The power must be off before connecting the
modules.
There are 2 ways to install the LT.
Installing the LT on the panel:
WARNING
EXPLOSION HAZARD
 Do not connect or disconnect while circuit is live.
 Potential electrostatic charging hazard: wipe the front panel of the terminal with a damp cloth
before turning ON.
Failure to follow these instructions can result in death, serious injury, or equipment
damage.