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Hydran* 201i Instruction Manual
Terminal
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31
32
33
34
35
36
37
38
39
40
a: Wires have a maximum section of 2.5 mm
b: NO = Normally Open; NC = Normally Closed.
c: An isolating, double-pole breaker must be installed in accordance with IEC 947-1 and 947-3
standards.
MA-033
Rev. 14.0, 12-Nov-18
Description
From (Internal)
Not used
TDM pulse(-),
J15-1, supervisory
input
link connector
TDM pulse(+),
J15-2, supervisory
input
link connector
Serial data(-),
J15-3, supervisory
I/O unit No. 1
link connector
Serial data(+),
J15-4, supervisory
I/O unit No. 1
link connector
Loop supply(-),
J15-5, supervisory
input
link connector
Loop supply(+),
J15-6, supervisory
input
link connector
Cable shield
Chassis
Table D - 11: Main Terminal Block for the Hydran 201Ci-1
To (External)
Isolated RS-
422 driver
Isolated RS-
485
transceiver
Isolated
+5Vdc
regulator
input
Supervisory
link cable
shield
2
.
Comments
Must be
connected
to H201Ti
Isolated
supply built
into H201Ci
Direct
ground
connection
Page 229
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