Installation and operating manual
EN
32 METPOINT
®
BDL compact
9.7. Connection of further sensors
Further analogue and digital sensors compact can be connected to the METPOINT
®
BDL compact.
The different connection options are shown sorted according how the measuring signals are transmitted.
9.7.1. Analogue, 0/4 … 20 mA
9.7.1.1. Analogue - 2-wire 0/4 … 20 mA
Connection diagram analogue 2-wire, 0/4... 20 mA
+ U
V
(+) I
+ U
V
+ I
OUT
R
L
+
-
4... 20 mA
I
0/4 ... 20 mA
METPOINT
®
BDL
compact
Analog Board
1
2
3
4
5
6
7
8
9
Pin assignment - sensor
Function
Pin assignment
BDL compact
+ U
V
Plus (+) output, voltage supply
PIN-1
+ U
V
+ I
OUT
Current output
PIN-5
(+) I
9.7.1.2. Analogue - 3-wire 0/4 … 20 mA
Connection diagram analogue 3-wire, 0/4... 20 mA
+ U
V
(+) I
- U
V
+ U
V
- U
V
+ I
OUT
R
L
+
-
4... 20 mA
I
0/4 ... 20 mA
METPOINT
®
BDL
compact
Analog Board
1
2
3
4
5
6
7
8
9
Pin assignment - sensor
Function
Pin assignment
BDL compact
+ U
V
Plus (+) output, voltage supply
PIN-1
+ U
V
- U
V
Minus (-) connection, voltage supply
PIN-2
- U
V
+ I
OUT
Current output
PIN-5
(+) I
