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Instruction Manual
IB-106-340 Rev. 3.0
December 2003
7-0 HART/AMS Rosemount Analytical Inc. A Division of Emerson Process Management
Oxymitter 4000
SECTION 7
LOOP CONNECTORS
USE INTERFACE
00275 0013 ONLY
SERIAL PORT & BATTERY
CHARGER MUST
NOT BE USED IN
HAZARDOUS AREAS
SERIAL PORT
AC L1
AC N
+
+
-
-
4-20
TERMINAL BLOCK
LOOP CONNECTORS
4-20 mA SIGNAL LINE
HART
COMMUNICATOR
RL 250≥Ω
ANALOG OUTPUT DEVICE
LEAD SET
HART COMMUNICATOR
REAR PANEL
23230001
Figure 7-1. Signal Line Connections, ≥
≥≥
≥ 250 Ohms Load Resistance
LOOP CONNECTORS
USE INTERFACE
00275 0013 ONLY
SERIAL PORT & BATTERY
CHARGER MUST
NOT BE USED IN
HAZARDOUS AREAS
SERIAL PORT
AC L1
AC N
+
+
-
-
4-20
TERMINAL BLOCK
LOOP CONNECTORS
4-20 mA SIGNAL LINE
HART
COMMUNICATOR
RL < 250Ω
ANALOG OUTPUT DEVICE
250 OHM
LOAD
RESISTOR
(NOTE)
HART COMMUNICATOR
REAR PANEL
NOTE: THE SIGNAL LOOP MUST BE BROKEN
TO INSERT THE OPTIONAL 250 OHM
LOAD RESISTOR.
23230002
Figure 7-2. Signal Line Connections, < 250 Ohms Load Resistance