Ametek 3050-AM - Communication Connections

Installation & Start-Up | 3-13
7. Reconnect 1 (L) and 2 (N) wires (Figure 3-7) by screwing in the two
plug screws. Make the ground connection to the threaded chassis stud
(Figure 3-8). Do not use the ground position on the power connector.
Plug in the power connector.
8. Connect a proper, locally recognized plug or terminator to the end of
your cord.
9. Replace rear cover.
10. Reconnect power.
Communication Connections (Figure 3-9)
1. Disconnect the power from the analyzer and remove the rear panel
terminal cover.
2. Connect the 4 to 20 mA analog output (13) (see Figures 3-10a and
3-10b) and alarm and data valid terminals (14) on the interface board
to the analyzer through the metallic signal conduit (2) (Figure 3-2).
ON
ON
TB3
TB2
TB1
ANALOG
OUTPUT
DATA
VALID
CONC
ALARM
SYSTEM
ALARM
OUT
- + IN
RD TD
+ - + -
LINE VOLTAGE
FUSE
L N G
1 2 3
RS-485
TERMINATOR
1 2 3 4 5 6 7 8 9 10 11 12 13 14
115
230
Line Voltage Selector
Fuse Receptacle
Power Connector
Alarm & Alert Contacts Analog Output
RS-485
Serial Port
RS-485
Terminator
10
9
8
14 13
12
11
Figure 3-9.
Communication
connections on the 3050
AM analyzer interface
board.
GROUND STUDS
DRYER COMPARTMENT
COVER
RS-232
Instrument Air
80 - 100 PSIG
Exhaust
Out
Atmospheric
Pressure
Sample In
20-50 PSIG
Figure 3-8.
Attach ground wire
to threaded chassis stud.