2. Installation
IPR96D Ground Protection Relay
2.2
Instruction Manual: IPR96D GBM 24/11/2020
2.4 WIRING
The electrical connections are made by terminal blocks on the back side of the unit.
CONNECTIONS
TERMINALS No.
Power Supply
1-2-3
Relays:
AUX2
AUX1
TRIP
10-11-12
13-14
15-16
Digital Inputs:
Com
DI_1
DI_2
41
42
43
Current Inputs
In= 1A: 21-22
In= 5A: 27-28
RS485
communication port
90-91
Before carrying out the installation of the unit, it is necessary to read and understand the indications provided by the
Constructor. All the installation operations must be carried out by qualified personnel with adequate knowledge of the
functioning of the unit and of the content of this manual.
The control power, current/voltage input and output contacts must be connected according to the supply voltage connection
diagram included in the present manual. Ensure applied currents/voltages abide by the IPR96D ratings indicated on the relay
label.
Orion Italia suggests that the maximum length of the digital input connections must be under 3mt.
Further information:
→
1.8 Specifications
Figure 2.2
