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Operation manual
10 Combining G9SR units
The G9SR-AD□-□ unit can be combined with G9SR-BC□-□ and G9SR-EX□-T90-□
units.
Combinations possible are:
1) Extending a G9SR-AD with up to two G9SR-BC to create an input loop.
See also § 10.1 Input loop on page 49
2) Extending a G9SR-AD with up to three G9SR-EX to create an output loop.
See also § 10.2 Output loop on page 50
3) Extending a G9SR-AD with up to two G9SR-BC plus up to three G9SR-EX.
This creates an input loop and an output loop.
See also § 10.3 Input loop and Output loop on page 51
Caution!
For BC units separate power supplies can be used connecting the 0V of all power
supplies together.
Below an example of G9SR system with multi power supplies connections
Common 0V
+
-
Page 48 of 79
Use a single power supply for AD and EX units.
A1 A2
A1
A2
T43 T44 T42 T41
T42 T41
A1
A2
A1
A2
T42 T41
T42 T41
Max 20 mt.
Max 20 mt.
A1 A2
A1 A2
T32 14
T32 14
+
-
+
-
G9SR
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