11
EN
Operating instructions CellaTemp PK / PKF / PKL xx
key, the display shows the current measuring temperature while the emissivity
coefficient continues to be adjusted in the background� This is an easy way to
determine the emissivity when the object temperature is known� The modified
values are directly adopted�
5.9 IO-Link
This device has an IO-Link communication interface, which requires an IO-Link-
capable module (IO-Link master) for operation� The IO-Link interface allows direct
access to process and diagnostic data and offers the possibility to parameterize
the device during operation�
The IODDs required for configuring the IO-Link device as well as detailed infor-
mation on process data set-up, diagnostic functions and parameter addresses are
available in the download area at www�keller-its�com�
A 3-wire cable port Class A (Type A) must be used for IO-Link operation�
6 Electrical connection
ATTENTION
The pyrometer may only be installed by a skilled, qualified electrician� Do not
connect the instrument while the voltage supply source is turned on� Please
observe international safety regulations at all times�
►
Switch to neutral and verify absence of voltage
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Connect the instrument according to the following schematic: