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Rear Panel Connections and User Interface Board
See Figures 2-2 and 2-3 for location of analyzer connections on Rear Panel and
User Interface board. Remove terminal cover to access this board.
1
2
3
4
5
6
8
9
10 Line Voltage Selector
11 RS-485 Terminator
12 RS-485 Serial Port
13 Analog Output
14 Alarm Contacts
10
Line Voltage Selector
9
Fuse Receptacle
8
Power Connector
Figure 2-3.
5920 Moisture Analyzer User
Interface board.
PN 592047901 Rev YC
Item
Power Conduit
Signal Conduit
Instrument Air Fitting
RS-232 Serial Port
Exhaust Fitting
Sample Inlet Fitting
Power connector
Fuse Receptacle
LINE VOLTAGE
FUSE
TB1
TB2
L
N
G
1
2
3
Alarm & Alert Contacts
Function
Cable gland for analyzer power cord.
Cable gland for signal connections.
Input port for instrument air used to operate internal
Diaphragm Valves; 1/4-inch Swagelok fitting.
User female serial communications interface. Serial
wiring supplied by user. Observe caution regarding use
in hazardous locations.
Vent port for Cell exhaust; male VCR connector.
Input port for sample gas; male VCR connector.
Connect hot (1) and neutral (2) to power connector
and ground to chassis.
2 A 250 V, time lag, T-type.
Select 115 or 230 volt line voltage.
RS-485 termination switch is on if the analyzer is the
only analyzer on line or the last in a chain.
User serial communications interface. Serial wiring
supplied by user.
4–20 mA output to user recording equipment. Wiring
supplied by user.
Connections for: Data Valid, Concentration alarm, and
System Alarm. Wiring supplied by user.
TERMINATOR
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
Installation and Start-Up
RS-485
ON
ON
11
TB3
RS-485
Terminator
TD
-
+
-
12
RS-485
Serial Port
12
13
14
|
2-9
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