Weidmuller LPD350 - Display instrument for control panel - Handbuch (Seite 7)

7
en LPD350
• Operation
general
The LPD350 is a panel mount, 3+1/ Digit, LCD Indicator for 4-0 mA
signals.
Loop powered operation
The LPD350 draws its’ power from the 4-0 mA signal current,
resulting in a voltage drop across the unit.
The voltage drop (.5 V @ 0 mA) is equivalent to an increase in loop
load of 15 Ω.
The maximum input current is 100 mA.
Cleaning
The case can be wiped with a damp cloth. De-energise the unit before
cleaning.
• Installation
Caution: In order to meet product safety requirements, these units must
only be installed, by qualified staff, in accordance with the information
given in this manual, using the mounting clips and terminal blocks
supplied, and all relevant national electrical wiring and safety rules
must be followed.
Location
Locate the instrument in an area that is free from dust, moisture and
corrosive gases. Do not cover the ventilation holes at the side of the
case.