EN
7 Electrical connection
The pyrometer is supplied with low voltage 24 DC (18 ... 32 V DC).
ATTENTION
The device may only be installed by a skilled, qualified electrician. Do not
connect it while the voltage supply source is turned on. Please observe
international safety regulations at all times.
►
Disconnect the pyrometer from any voltage source.
►
Connect the pyrometer according to the following schematic.
PA Pyrometer
1
5
6
3
4
7
2
8
L +
L –
RS485
0/4 – 20 mA
a
+
–
0/4 – 20 mA
0/24 V
0/24 V
0 – 10 V
shielded
Digital
IN/OUT1 IN/OUT2
Analogue
OUT1 OUT2
Analogue
IN
1
2
3
4
5
6
7
8
Pin 1 WH (white)
L+ (Power supply 24V DC)
Pin 2 BN (brown)
Digital in- / out 1
Pin 3 GN (green)
Analogue output 2/ analogue input
Pin 4 YE (yellow)
Analogue output 1
Pin 5 GY (grey)
Serial interface RS 485 (A) /Tx-/D-)
Pin 6 PK (pink)
Serial interface RS 485 (B) /Tx+/D+)
Pin 7 BU (blue)
Digital in- / output 2
Pin 8 RD (red)
L- (GND)
The pyrometer must be protected against electromagnetic fields. Therefore, use a shiel-
ded cable, connecting it via connector casing of the pyrometer to the housing.
Use a flyback diode when switching inductive loads.
Quick Start Guide CellaCast PA 8x