KELLER CellaTemp PX 4-Serie Bedienungsanleitung Seite 8

Quick Start Guide CellaTemp PX 4x, 5x, 6x
► Switch to neutral and verify absence of voltage
► Connect the instrument according to the following schematic:
EN
Pin 1 BN (brown)
Pin 4 BK (black)
Pin 5 GY (grey)
Pin 2 WH (white)
Pin 3 BU (blue)
The pyrometer must be protected against high voltage and strong electromagnetic fields.
Use a shielded cable. The shield must be connected with the connector housing.
Use a flyback diode when switching inductive loads.
Installation
Install the pyrometer in a location where it will not be unnecessarily exposed to smoke, ambient
heat or water vapour.
1. Select a suitable location for the pyrometer. The following criteria must be observed:
• If the installation site is not free from dirt, smoke and water vapour, install an axial air nozzle
to protect the lens from contamination.
• The permissible operating temperature is 0 – 65 ° C. At temperatures above 65 °C, a cool-
ing jacked must be used. As cooling medium, air and water are possible.
2. Check that the lens is clean. Assemble the pyrometer in the provided bracket and align the
pyrometer to the measuring object. If necessary, check the cooling medium and maximum
operating temperature.
3. The pyrometer should be preferably installed at 90° to the measured object. The angle
should not be less than 45° from the vertical.
4. When measuring with a two-colour pyrometer, the field of view does not have to be filled
entirely by the target object. There might even be particles like dust, steam and smoke in
the viewing path that weaken the infrared radiation.
L+ (Power supply 24V DC)
Open Collector switching output; Imax = 150 mA or IO-Link OUT 1
Open Collector switching output; Imax = 150 mA OUT 2
Analogue output; 0/4 - 20mA
L- (GND)