E-Mon E-PS-E-RTU-N - Manual (Page 32)

Chapter 2 Installation I/O Connections
32 PowerSmart+ Power Quality Meter
4AO Module - Analog Outputs
The 4AO module has four optically isolated analog outputs with an internal
power supply and current output options of 0-20 mA and 4-20 mA
(current loop load of up to 500 Ohm), 0-1 mA and ±1 mA (2mA 100%
overload, current loop load of up to 5 kOhm).
Figure 2-24: Analog Output Connection
It is recommended to connect unused Analog output
channels to Common terminal.
⇒
• The 4AO module TERMINAL is for use only with equipment
which has no live parts which are ACCESSIBLE
• The RATING of the insulation of the external equipment for
use with the 4AO module, shall comply according to
Installation Category II for insulation to be suitable for
SINGLE FAULT CONDITION
• The external equipment TERMINAL connection type is
normally terminal block for wire size 14 AWG (up to 1.5
mm2)
• The type of equipment that might be connected to the
TERMINAL is:
− Programmable Logic Controller for automation – PLC
− Digital or Analog meter