Gonnheimer Elektronic F870S, User Manual

Page: 14 / 47

F870S 3 Mounting and connection Page 14
Gönnheimer Elektronic GmbH Tel.: +49 (6321) 49919-0 Fax: +49 (6321) 49919-41
The operating tableau BT855.x has got a complete housing (protection class IP65). It can
be mounted in the ex-area of Zone 1 at any place. Please refer the dimension scheme in
the appendix for the position and diameter of drillings.
3.1.7 Disconnector unit SR852 and power relay SR853
The disconnector unit SR852 and power relay SR853 could be placed in hazardous area
Zone 1. These are certified on its own in protection type Ex e.
3.2 Connecting and Commissioning
22 21 20 19
N L
36
37
34
35
24 26 23 25 27 28 29 30 31 32 33
Relay1 Relay2 Alarm
-
+
38
PE
PE
Ventilsicherung/
F solenoid va lve) use (
Magnetventil/
Solenoid valve
40
41
39
42
Ethernet
2 4 1 3 5 7 9 6 8 10
- - + + + + + - - -
ext.
Alarm
Bypass ON OK
LED
ON
LED
Ex i
12 16 14 18 11 15 13 17
ext. Druck/
pressure
BT871
BT871 Ext. Sen.
Netz/
M ain s
Kontakte für Spannungsfreischaltung
Cu t- o ff - co nta cts
FS870S
43
44
-
+
TX+
RX-
TX-
RX+
nb.
nb.
Figure 6: electrical block diagram