TECSYSTEM TIR409 Technical Bulletin

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TECHNICAL BULLETIN

Based on the experience acquired on several plants and in order to properly wire the

TIR409 sensors to the NT935 IR monitoring unit, we recommend as essential to read

and carefully follow the instructions indicated on the instruction manual and in the

technical bulletin 004-15.

In order to avoid operating anomalies due to the lack of respect for the installation

Standards and/or related to high interferences (spikes) occurring in the plants,

Tecsystem has developed the HSS:

Hyper Surge Suppressor

(HSS)

Image 1

What is it?

The HSS is an innovative electronic device able to reduce the effects of the surge

spikes on the 24Vdc power line to 2kV (impulse simulation as described in EN 61000-

4-5 SURGE).

The devices fed at 24Vdc are not regulated by the a.m. standard and, moreover, the

EN 60204-1 standard "Safety of machinery. Electrical equipment of machines, Part 1

General

requirements,

Point

4.4.2"

prescribes

that

order

limit

the

electromagnetic interferences and to ensure a correct operation, some procedures

must be respected for the installation of all electrical equipment, such as shielded or

twisted cables which must be positioned away from the power cables.

TECHNICAL BULLETIN N° 008 RELEASED ON 13/04/2016 – HSS Hyper Surge Suppressor –

Table of Contents

Do you have a question about the TIR409 and is the answer not in the manual?

Page 1 Based on the experience acquired on several plants and in order to properly wire the TIR409 sensors to the NT935 IR monitoring unit, we recommend as essential to read and carefully follow the instructions indicated on the instruction manual and in the technical bulletin 004-15.
Page 2 How to install the HYPER SURGE SUPPRESSOR (HSS) The HSS was developed for a quick and easy installation. To ensure the full operation of the system, each TIR409 sensor must be connected to a dedicated HSS as per image 2. Image 2...
Page 3 TIR409 sensors. The connection of the wires (color) HSS - TIR409 must be according to the following table: Color TIR409 INPUT White 4.20mA +...
Page 4 TECHNICAL SPECIFICATIONS _HSS HYPER SURGE SUPPRESSOR Power supply 24Vdc Input 4.20mA Surge Test 2KV input 24Vdc Dimensions 60mm X 38mm X 25mm Connection Wires 4-wires 22 AWG (White - Blue - Brown - Black) 6 pin connector 3.81pitch MAX operating temperature 85°C Connection to TIR 409...