Measuring Input Check - Omega RD2800 Series User Manual

19. HARDWARE CHECK
The measuring input can be checked by counts after A/D conversion.
■
Check Flow Chart
Operation screen
[Engineering mode selection]
    
Cursor
[Selecting check ]
    
[Selecting measuring input]
     
[Displaying check]
  
[Displaying count: 1]
 
Ch1
[Displaying count 2]
 
RJ
（ ＋
SHIFT
A – Z
3 sec. or more
Check
°F °C
Cursor
°F
°C
(1) (2) (3) (4)
ENTRY
ENTRY
  
Ch2 Ch3
/
%
DISP
－１１３－

19.4 Measuring Input Check

Reference 1
 : Memory clear
DISP
 : Adjustment
2 sec. or more
 : Hardware check
6
）
Ref. 1
Reference 2
(1) ROM version check
(2) Printer check
→
ENTRY
(3) Display check
(4) Measuring input check
Ref. 2
Reference 3
CH1 to CH4 show the counts after A/D
conversion of inputs to channels 1 to
Cursor
4.
For RD2800, the RJ (reference
junction
displayed next to CH4.
Reference 4
Ref. 3
RJ is the counts after A/D conversion
of
compensation (RJ). RD2800 has no
Ch4
Count 2 display as RJ is displayed in
Count 1 display. RJ is displayed only
Ref. 4
when there is a channel, of which RJ
is programmed to "1: enable" in the
range
channels are programmed to "0:
disable", (- - - -) is displayed.
Engineering mode types
Types of check 1
Count 1 display
compensation) count
Count 2 display
the reference junction
programming. When
is
all