Emerson 7003M - Manual (Page 21)

Operator Manual
748223-K
June 2002
Rosemount Analytical Inc. A Division of Emerson Process Management Installation 2-3
Model 7003M
FUSE RATING:
115V: 1/4A
250V
230V: 1/8A
250V
1 +12V
2 -12V
1 ANODE
2 TEMP SENSE
3 NC
4 NC
5 EPOL
6 GND
7 Tx
8 Rx
9 RET
1 COM
2 NC
3 NO
4 COM
5 NC
6 NO
7 ISO GND
8 ISO CUR-
9 ISO CUR+
ALARM CONTACT RATING:
3A 120 VAC
1.5A 240 VAC
3A 30 VDC
AL 1
AL 2
AC POWER
HOT NEUT GND
L1 L2
2-5 ELECTRICAL CONNECTIONS
Observe all precautions stated in this manual
and in the drawings provided at the back of
this manual before installation.
All electrical connections to the analyzer are
made on the Power Supply Board connection
panel (see Figure 2-2 below and drawing
652683), which is accessed by removing the
rear cover.
WARNING
ELECTRICAL SHOCK HAZARD
Do not operate without rear cover secured.
Servicing requires access to live parts
which can cause death or serious injury.
Refer servicing to qualified personnel.
For safety and proper performance this in-
strument must be connected to a properly
grounded three-wire source of power.
Electrical installation must be made in ac-
cordance with the National Electrical Code
(ANSI/NFPA-70) and/or any applicable na-
tional or local codes.
WARNING
ENCLOSURE INTEGRITY
Unused cable conduit entries must be se-
curely sealed by non-flammable closures
to provide enclosure integrity in compli-
ance with personnel safety and environ-
mental protection requirements. For
watertight installation conforming to the
requirements of NEMA Type 4X, use
Hoffman plugs (PN A-S050) or equivalent
to seal any unused openings.
Provide three separate 1/2 inch conduits as
follows:
• Power cable
• Sensor cable
• Alarm cables
Figure 2-2. Model 7003M Rear Panel Connections