Grundfos Conex DIA-G Instrucciones De Instalación Y Funcionamiento página 25

10.7.2 Potentiostatic sensors
The sensor is plugged directly into the interface. The
interface is connected to the gas warning controller
using a 4-wire cable with single screening (special
cable for CAN connections). Maximum length
(maximum distance between Conex
interface and gas warning controller): 500 metres.
Cables for potentiostatic gas sensors
Description
CAN connection cable, 10 m
CAN connection cable, 20 m
CAN connection cable, 50 m
Connection example 1:
In this example, the termination resistors
®
Note
on the Conex
interface 2 must be set to 1 = On.
Sensor interface 2
S1 S2
CAN
1
1 2 3 4 5 6 0
9 1
2
8
3
7
0 6 5 4
ADDR
H L H L
12
11
5
Fig. 12 Connection example 1
Connect the screening to screen ground
Caution
on one side only!
®
DIA-G sensor
Product number
96725684
(321-322/10)
96725685
(321-322/20)
96725686
(321-322/50)
DIA-G and at sensor
®
Conex DIA-G
Sensor interface 1
S1
1 1
0
H
24 V DC
7 8 9 10
- -
+ +
2
1
24 V DC
CAN
S2
2 3 4 5 6 0 7 8 9 10
9 1
2
8
3
7
6 5 4
-
+ +
ADDR
L H L
12
11
5
1
ADDR = CAN address
CAN
CAN sensor S1
Sensor
S1
24 V out sensor
24V Out
1 0
interface
Sensor
Interface
L H
-
2
L H
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