8.2.3.
connection diagram
with two-wire proximity switches
(inductive naMur limit switches)
Fig. 19:
Position of the screw terminals
24
Printed circuit
1
board
2
Screw
3
terminals
4
5
6
english
Type 8690
Electrical Installation
terminal Configuration external circuit
1
INI Top +
protected area
2
INI Top -
3
INI Bottom +
4
INI Bottom -
Valve control
5
+
Valve control
6
GND
Table 4:
Connection diagram with two-wire proximity switches
(recommended by NAMUR) Also observe the type-examination
3)
certificate from Turck KEMA 02 ATEX 1090X
Signal from
barrier see PTB 07 ATEX 2048
4)
Explosion
Non-hazardous
area
1 / 3
+8,2 V DC
2 / 4
NAMUR-
Sensor
R
0 V
5
6
3)
4)