7 Connection
7.1 Sensor
PIOX R721
2021-09-01, UMPIOX_F72xV1-3EN
32
7
Connection
7.1
Sensor
It is recommended to run the cables from the measuring point to the transmitter before connecting the sensors to avoid
load on the connectors.
Danger!
Risk of explosion when using the measuring equipment in explosive atmospheres
This may result in personal or material damage or dangerous situations.
→ Observe the "Safety instructions for the use in explosive atmospheres", see document SIPIOX_R721.
Warning!
Installation, connection and start-up by unauthorized and unqualified personnel
This may result in personal or material damage or dangerous situations.
→ Any work on the transmitter has to be carried out by authorized and qualified personnel.
Danger!
Working in mines or cramped confines
Risk of intoxication and/or asphyxiation because of emerging gases, risk of injuries because of cramped
conditions.
→ Wear the required personal protective equipment.
→ Observe the applicable rules.
Warning!
Touching live parts
Electric shock or arc faults can lead to severe injuries. The measuring equipment can be damaged.
→ Prior to any work on the transmitter (e.g., installation, dismounting, connection, start-up), the
transmitter has to be disconnected from the power supply. It is not sufficient to remove the internal fuse
of the instrument.
Caution!
Safety and accident prevention regulations for electrical systems and equipment
Failure to observe these regulations may lead to severe injuries.
→ Observe the safety and accident prevention regulations for electrical systems and equipment.
Tab. 7.1:
Measurement arrangement
sensor
transmitter
sensor cable
type
length
PIOX R500A1
PIOX R721RI-A2
LIYCY 2 x 2 x 0.75 blue
max. 200 m
PIOX R500
PIOX R721GP-NN0
LIYCY 2 x 2 x 0.75 gray
