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Communication Connections
1. Disconnect the power from the analyzer and remove the analyzer's Rear
2. Connect the 4-to-20 mA analog output (Item 13, Figure 2-7) and Alarm and
3. Connect the RS-232 (Item 4, Figure 2-2) or RS-485 (Item 12, Figure 2-7) se-
4. Replace terminal cover.
Line Voltage Selector
Fuse Receptacle
Power Connector
Figure 2-7.
Communication connections
on the 5920 Analyzer User
Interface board.
2-14 | 5920 UHP Moisture Analyzer
Panel terminal cover.
Data Valid terminals (Item 14, Figure 2-7) on the User Interface board to
the analyzer through the metallic signal conduit (Item 2, Figure 2-2). See
also Figures 2-9.1 and 2-9.2).
rial communication to the analyzer. The RS-485 connection, analog output,
and Alarm/Data Valid contacts share the same cable.
LINE VOLTAGE
10
FUSE
TB1
9
L
N
G
8
1
2
3
Alarm & Alert Contacts
TERMINATOR
TB2
ANALOG
OUTPUT
DATA
CONC
SYSTEM
RD
VALID
ALARM
ALARM
-
+
+
OUT
IN
1
2
3
4
5
6
7
8
9
10
11
14
13
Analog Output
PN 592047901 Rev YC
RS-485
ON
ON
11
TB3
RS-485
Terminator
TD
-
+
-
12
RS-485
Serial Port
12
13
14
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