Emerson Process Management OXYMITTER 4000 IM-106-340 - Manual (Page 86)

Oxymitter 4000
7-4
Instruction Manual
IM-106-340, Rev. 4.0
May 2006
OFF-LINE AND ON-LINE
OPERATIONS The HART Communicator can be operated both off-line and on-line.
Off-line operations are those in which the communicator is not connected to
the Oxymitter 4000. Off-line operations can include interfacing the HART
Communicator with a PC (refer to applicable HART documentation regarding
HART/PC applications.
In the on-line mode, the communicator is connected to the 4-20 mA analog
output signal line. The communicator is connected in parallel to the Oxymitter
4000 or in parallel to the 250 ohm load resistor.
NOTE
If the HART Communicator is turned on while connected to the 4-20 mA
analog output signal line, an undefined status indication appears while the
communicator warms up. Wait until the warm-up period ends to continue.
The opening menu displayed on the LCD is different for on-line and off-line
operations. When powering up a disconnected (off-line) communicator, the
LCD will display the Main Menu. When powering up a connected (on-line)
communicator, the LCD will display the On-line Menu. Refer to the HART
Communicator manual for detailed menu information.
LOGIC I/O
CONFIGURATIONS The Oxymitter 4000 logic I/O output can be configured for ten different modes
through HART/AMS. The factory default condition is Mode 5. A list of possible
configurations appear in Table 7-1.
The Unit Alarm configuration available for Modes 1, 3, 5, and 7 refers to the
diagnostic alarm faults in Table 8-1.
HART/AMS MENU TREE This section consists of a menu tree for the HART Communicator. This menu
is specific to Oxymitter 4000 applications.
Table 7-1. Logic I/O
Configuration (as set at
HART/AMS or LOI)
*The default condition for an Oxymitter 4000 without an IMPS 4000 or SPS 4001B.
**The default condition for an Oxymitter 4000 with an IMPS 4000 or SPS 4001B.
Mode Configuration
0 The unit is not configured for any alarm condition.
1 The unit is configured for a Unit Alarm.
2 The unit is configured for Low O
2
.
3 The unit is configured for both a Unit Alarm and Low O
2
.
4 The unit is configured for a High AC Impedance/CALIBRATION
RECOMMENDED.
5* The unit is configured for both a Unit Alarm and a High AC
Impedance/CALIBRATION RECOMMENDED.
6 The unit is configured for both a Low O
2
and High AC Impedance/CALIBRATION
RECOMMENDED.
7 The unit is configured for a Unit Alarm, a Low O
2
, and a High AC
Impedance/CALIBRATION RECOMMENDED.
8** The unit is configured for a calibration handshake with IMPS 4000 or SPS 4001B.
CALIBRATION RECOMMENDED will initiate the calibration cycle.
9 The unit is configured for a calibration handshake. CALIBRATION
RECOMMENDED will not initiate the calibration cycle with the IMPS 4000 or SPS
4001B.