Power supply terminals and lead-through − PELV option - INDIGO500SERIES - INDIGO510 - INDIGO520

Indigo510, Indigo520 Quick Guide
Document code
M212290EN
Revision
H
Language
English
Product
INDIGO500SERIES
INDIGO510
INDIGO520
Document type
User guide
WARNING Connect only cables with temperature rating of minimum +80 °C (+176 °F) to the PELV power supply terminal.
CAUTION
INDIGO510 and INDIGO520 PELV version transmitters shall be supplied by an isolated power source which fulfills the requirements of one of the following:
  • Limited-Energy Circuit (LEC) in accordance with IEC/EN/UL/CSA 61010-1
  • Limited Power Source (LPS) in accordance with IEC/EN/UL/CSA 60950-1 or IEC/EN/UL/CSA 62368-1, Annex Q
  • Class 2 supply source which complies with the National Electrical Code (NEC), NFPA 70, Clause 725.121 and Canadian Electrical Code (CEC), Part I, C22.1

Power supply input wiring is required only for transmitters powered with protective extra-low voltage (PELV) or AC (mains) power.

For the M20×1.5 cable gland ordered together with the transmitter from Vaisala, the cable diameter is 5.0 … 8.0 mm (0.20 … 0.31 in). Tightening torque for the cable gland is 8 Nm.

Table 1. PELV power supply input terminals
Terminal Function Notes
Power supply ground
VS+ Positive supply voltage 15 … 35 V DC or 24 V AC ±20 %
VS- Negative supply voltage