Weidmüller DPA/DMA, Operating Instructions Manual

Page: 15 / 24

15
Sensor power supply
A V DC power supply output is available for loop powered
transmitter inputs to the DPA. It can supply currents up to 5 mA.
Indication
The front panel status LEDs indicate an alarm condition regardless of
the coil energisation setting.
Isolation
Input, Power Supply, Alarm Channel One and Alarm Channel Two are
all isolated from each other.
• 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.
Locate the instrument in an area that is free from dust, moisture and
corrosive gases (pollution degree II or better).
Power Supply Requirements
Check the power supply against the model number before applying
power to the instrument.
Protective Earth connection
Earth connections attach to a stud on the underside of the case. You
must attach this connection before applying power to the unit.
Electrical connections label
The DPA Series of instruments are often customised specifically for
your application. Check the label on top of the case for the correct
connections.