2.4. ISOLATION
Converter ADA-1028L has 3-way galvanic isolation on the levels 1kV= or 3kV=, depend on version described in section VERSIONS.
Fig 2. Isolation structure
3. INSTALLATION
This chapter will show how to connect ADA-1028L to RS232, Current Loop CLO bus and power supply and how to use it.
In the purpose of minimization of disruptions from environment is being recommended to:
- use multipair type shielded cables, which shield can be connected to the earthing on one end of the cable,
- arrange signal cables in the distance not shorter than 25 cm from powering cables.
3.1. EXAMPLE CONNECTION OF DEVICES WITH CLO INTERFACE
To connect the to Current Loop line to the CLO ADA-1028L, should equip with a flat-head screwdriver, which allows to mount the
cables in the screw terminal block.
3.1.1. CONNECTION OF ONE DEVICE
Fig. 3. Example connection of device with Current Loop CLO to ADA-1028L
5
ADA-1028L
Power Supply
10 - 30VDC
RS232
Current Loop
CLO
3-WAY ISOLATION
C
LO
-
C
L
O
+
ENERGY METER
WITH PASSIVE CLO
V+
V-
Power
Vss-
Vss+
CLO+
NC
Rd
CLO-
ADA-1028L
ACTIVE
CLO
connector
RS232
connector
RS-232
Summary of Contents for ADA-1028L
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