Ascon tecnologic TRH04 User Manual

TRH04
HUMIDITY AND TEMPERATURE
SENSOR WITH
RS485 INTERFACE
User manual
22/10 - Code: ISTR_M_TRH04_E_01_--
ASCON TECNOLOGIC S.r.l.
Viale Indipendenza 56, 27029 - VIGEVANO (PV) ITALY
TEL.: +39 0381 69871 - FAX: +39 0381 698730
sito: http:\\www.ascontecnologic.com
e-mail: info@ascontecnologic.com
PREFACE
D This manual contains the information necessary for the
product to be installed correctly and also instructions for
its maintenance and use; we therefore recommend that
the utmost attention is paid to the following instructions
and to save it.
This document is the exclusive property of Ascon Tecnologic
S.r.l. which forbids any reproduction and divulgation, even par-
tially, of the document, unless expressly authorized.
Ascon Tecnologic S.r.l. reserves the right to make any formal or
functional changes at any moment and without any notice.
Ascon Tecnologic S.r.l. and its legal representatives do not
assume any responsibility for any damage to people, things or
animals deriving from violation, wrong or improper use or in
any case not in compliance with the instrument features.
D Whenever a failure or a malfunction of the device may
cause dangerous situations for persons, thing or animals,
please remember that the plant has to be equipped with
additional devices which will guarantee safety.
Ascon Tecnologic - TRH04 - USER MANUAL - PAG. 1
1. INSTRUMENT DESCRIPTION
1.1 General description
The TRH04 temperature/humidity sensor uses the standard
MODBUS-RTU RS485 protocol, easily accessible by PLCs,
DCS and other instruments or systems for temperature and
relative humidity monitoring.
TRH04 uses a high-precision sensor and its conversion/re-
transmission devices are of quality to ensure high reliability
and excellent long-term stability.
2. USAGE WARNINGS
2.1 Admitted usage
D The instrument has been projected and manufactured
as a measuring and control device to be used accord-
ing to EN60730-1 at altitudes operation below 2000 m.
Using the instrument for applications not expressly permitted
by the above mentioned rule must adopt all the necessary
protective measures.
The instrument must not be used in dangerous environ-
ments (flammable or explosive) without adequate protections.
The installer must ensure that the EMC rules are
D
respected, also after the instrument installation, if
necessary using proper filters.
3. INSTALLATION WARNINGS
3.1 Mounting requirements
Select a mounting location having the following characteristics:
• It should be easily accessible;
• It must not be subjected to vibrations or impacts;
• Must be free from corrosive gases;
• Must be free from water or other fluids (condensation).
3.2 Dimensions (mm)
3.2.1 TRH04
3.2.2 Mounting bracket
77