Econ 3300 Series - Connection - Power; Safety; Terminal Overview

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Installation and Operating manual
Econ
®
Series 3300 Smart Valve Positioner www.eriks.com
Rev. 3 – January 22, 2019
18
4.5 Connection – Power
4.5.1 Safety
Ø Conduit entry connection tap is 1/2” NPT with a conduit for 8 mm cable.
Ø Before connecting terminal, ensure that the power is off completely. Do not open the cover
when the power is still alive.
Ø Please use insulated electrical connection ring-type lug to protect against vibration or any other
external impact.
Ø Positioner with PTM options must be supplied 10~28V DC separately. It should not exceed
30V DC.
Ø Positioner should be grounded.
Ø Please use twisted cable with conductor section min. 1.25mm
2
and suitable for 600V (complying
to the conductor table of NEC Article 310.) The outer diameter of the cable should be between
6.35 ~ 8 mm. Use shield wire to protect against electro-magnetic field and noise.
Ø Please do not install the cable near high noise equipments, such as an high-capacity transformer
or motor.
4.5.2 Terminal Overview
Positioner Terminal
IN +: Input Signal (+)
IN -: Input Signal (-)
FG: Ground
OUT+: Feedback Signal (+) (if mounted)
OUT-: Feedback Signal (-) (if mounted)