Installation and operating manual
EN
30 METPOINT
®
BDL compact
9.6.7. Connection of OCV compact
9.6.7.1. Analogue - 2-wire, 4 … 20 mA
Connection diagram METPOINT
®
OCV compact and METPOINT
®
BDL compact
I
4 ... 20 mA
X22:3
X22:4
OCV
compact
+ I
OUT
GND
R
L
+
-
4... 20 mA
+ U
V
(+) I
METPOINT
®
BDL
compact
Analog Board
1
2
3
4
5
6
7
8
9
Assignment
OCV compact
Function
Wire
colour
Pin assignment
BDL compact
X22:8
not assigned
X22:9
not assigned
X22:3
GND
Analogue reference potential
blue
PIN-1
(+) I
X22:4
I
out
Current output
brown
PIN-5
+ U
v
9.6.7.2. Digital - bidirectional RS485 bus system
Connection diagram METPOINT
®
OCV compact and METPOINT
®
BDL compact
X22:9
X22:8
RS485
OCV
compact
(+) A / RS485
+ A
(-) B / RS485
- B
METPOINT
®
BDL
compact
Digital Board
1
2
3
4
5
6
7
8
Assignment
OCV compact
Function
Wire
colour
Pin assignment
BDL compact
X22:9
Bus A (+)
Non-inverted signal (+) from RS485 interface
brown
PIN-7
(+) A / RS485
X22:8
Bus B (-)
Inverted signal (-) from RS485 interface
blue
PIN-8
(-) B / RS485
X22:4
not assigned
X22:3
not assigned