186
Reference Manual
00809-0100-4840, Rev CB
Appendix F: Programming the 3102 and 3105 using HART
February 2015
Programming the 3102 and 3105 using HART
F.3.39 Spike rejection (P049)
This sets the minimum duration of a valid echo signal, and is used to reject transient electrical
interference (spike) signals.
Note
Spike rejection is switched-off when it is set to 0.
Field Communicator or AMS Device Manager
To view or change the spike rejection
1. From the Home screen, select 2: Configure.
2. Select 2: Manual Setup.
3. Select 7: Advanced Processing (3105) or
Select 8: Advanced Processing (3102)
4. Select 3: Set Spike Reject.
5. Select 1: Spike Reject P049.
6. If a change is required:
(a) Select a new setting, and then select “ENTER” to save it.
(b) Select “Send” or “Apply” to update the transmitter.
Rosemount 3490 Series Control Unit
To view or change the spike rejection
1. From the Main Menu screen, select SETUP.
2. Select the transmitter (e.g. “Tx1: 3102”).
3. Select ENGINEERING.
4. Select ADVANCED.
5. Select Spike Reject.
6. Follow the on-screen instructions to edit and save the new setting.
(Use the Enter ( ) key if prompted to change mode to “off-line”).
7. Select “Quit” to exit to the previous menu.
Fast Keys
2, 2, 7 [or 8], 3, 1
Spike Reject P049
0
0
ESC
DEL ENTER
HELP
w
s
q
a
z
Lock
Shift
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x
e
d
c
r
f
v
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g
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*
-
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0
7
4
1
8
5
2
9
6
3
i
k
o
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FN
(Field Communicator Screen Shown)
Spike Reject P049
0
Esc=Quit =Edit
(Rosemount 3491 Screen Shown)
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