189
Reference Manual
00809-0100-4021, Rev GC
Section 7: Prior Use (PU) Safety Instrumented System
April 2014
Prior use (PU) safety instrumented system
Without an LCD display
1.
If the transmitter is installed, set the loop to manual.
2.
Remove the housing cover on the electronics side of the transmitter. Do not remove
the transmitter cover in explosive atmospheres with a live circuit.
3.
Set the switches to the desired position (see
).
4.
Replace the transmitter cover. Both covers must be fully engaged to meet
explosion-proof requirements.
5.
Set the loop to automatic control.
With an LCD display
1.
If the transmitter is installed, set the loop to manual.
2.
Remove the housing cover on the electronics side of the transmitter. Do not remove
the transmitter cover in explosive atmospheres with a live circuit.
3.
Remove the housing cover, then unscrew the LCD display screws and gently slide the
meter straight off.
4.
Set the switches to the desired position. The simulate switch is default set to the “on”
position (see
).
5.
Gently slide the LCD display back into place, making sure to line up the 10 pin
connection.
6.
Secure the LCD display with replacing the LCD display screws.
7.
Replace the transmitter cover. Both covers must be fully engaged to meet
explosion-proof requirements.
8.
Set the loop to automatic control.
Figure 7-1. Transmitter Jumper Locations
A. Diagram of switches
B. Fail mode and security switch
C. LCD display connector
Switch location
LCD display faceplate
Failure Mode
Security
A
B
C
Summary of Contents for Rosemount
Page 1: ...Reference Manual 00809 0100 4021 Rev GC April 2014 Rosemount 3144P Temperature Transmitter ...
Page 2: ......
Page 4: ...iv Reference Manual 00809 0100 4021 Rev GC Title Page April 2014 ...
Page 10: ...x Reference Manual 00809 0100 4021 Rev GC Table of Contents April 2014 Table of Contents ...
Page 38: ...28 Reference Manual 00809 0100 4021 Rev GC Section 2 Installation April 2014 Installation ...
Page 188: ...178 Reference Manual 00809 0100 4021 Rev GC Section 5 Maintenance April 2014 Maintenance ...
Page 250: ...Index 244 Reference Manual 00809 0100 4021 Rev GC Index April 2014 Index ...
Page 251: ......