22/09/2021
WEIDOS Quick Start Guide
Version: 00.00.01
Page 49 / 52
- All types of radio communication devices, including mobile phones and personal handy-phone systems
(PHS), must be kept more than 25cm away from the PLC in all directions. Failure to observe this precaution
exposes malfunctions caused by excess of temperature.
- Disconnect the external power supply of the system (on all phases) before connecting or disconnecting a
module. Failure to observe this precaution may cause faults or malfunctions of the module.
- Tighten the screws of the terminal ports and the screws of the connectors within the prescribed tightening
torque. Insufficient tightening can lead to lose parts or wires and cause malfunctions. Excessive tightening
can damage the screws and / or the module, with the risk of falling, short circuits and malfunctions.
- Before handling a module, dispose of the electrostatic charge accumulated by the human body by touching
a suitable conductive object. Failure to observe this precaution may cause faults or malfunctions of the
module.
Repair note:
If the equipment is suitable to be repaired, it must be verified that the equipment remains in a safe state
after repair.
