Oxymitter 4000, Instruction manual, Figure 7-1. signal line connections – Emerson Process Management OXYMITTER 4000 IM-106-340 User Manual
Page 85: 250 ohms load resistance
Instruction Manual
IM-106-340, Rev. 4.0
May 2006
7-3
Oxymitter 4000
Figure 7-1. Signal Line Connections,
≥
250 Ohms Load Resistance
Figure 7-2. Signal Line Connections, < 250 Ohms Load Resistance
23230001
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
Lead Set
HART Communicator
Rear Panel
23230002
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
Analog Output Device
HART Communicator
Rear Panel
Note: The signal loop must be broken
to insert the optional 250 Ohm
load resistor.
RL
< 250Ω
250 Ohm Load
Resistor
(Note)