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13
Operating instructions
7 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
►
Connect the instrument according to the following schematic:
2
3
1
4
5
1
4
L+
L-
24 V DC
5
C/Q
2
0/4 - 20 mA
Out 2
3
shielded
Pin 1
BN (brown)
L+ (Power supply 24V DC)
Pin 4
BK (black)
Open Collector switching output; I
max
= 150 mA OUT1 or IO-Link
Pin 5
GY (grey)
Open Collector switching output; I
max
= 150 mA OUT2
Pin 2
WH (white)
Analogue output; 0/4 ... 20mA
Pin 3
BU (blue)
L- (Shield)
The pyrometer must be protected against high voltage and strong electro-
magnetic fields. Use a shielded cable, connecting it via connector casing
to the device housing.
Use a flyback diode when switching inductive loads.