Ma Current Loop Interface - Datalogic DP1100 Series Installation Manual

DATALOGIC

20 mA Current Loop Interface

The DP1100 has two current generators (one for transmission and one for
reception), allowing active and passive type connections.
The terminals of the external cable must be connected to the following pins
of connector J1 (see figure 2.10) for 20 mA Current Loop communications:
Pin
2
3
4
6
7
8
9
20 mA C.L. connection
Name
C.L. GND
DRVCLOUT
DRVCLIN
C.L. IN-
C.L .IN+
C.L. OUT-
C.L. OUT+
DP1100
I = 20 mA
DRVCLOUT
3
9
C.L. OUT+
C.L. OUT-
8
C.L. GND
2
I = 20 mA
4 DRVCLIN
7
C.L. IN+
C.L. IN-
6
C.L. GND
2
MAXIMUM LENGTH: 300 m
Figure 2.19 - 20 mA C.L. active connections
Function
Generator Reference
Output Current Generator
Input Current Generator
Current Loop Input (-)
Current Loop Input (+)
Current Loop Output (-)
Current Loop Output (+)
USER INTERFACE
SGND
SGND
DP1100
Installation - 2.17