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19. HARDWARE CHECK
2
Check Flow Chart
Operation screen
[Engineering mode selection]
Cursor
[Selecting check]
[Displaying check 1]
[Displaying check 2]
Cursor
[Selecting communications]
[Communications check]
Communications type
SHIFT
（
＋
A～Z
3 sec. or more
Check
°F
°C
Cursor
Cursor
/
%
(2)
(1)
(3)
°F
°C
Cursor
ENTRY
Send/Receive status display
ENTRY
Check ends
－１１７－
19.7 Communications IF Check
Reference 1
Press
DISP
Check 1 and 2.
2 sec. or more
6
）
Reference 2
(1) : Alarm output check
(2) : Remote contacts input check
(3) : Communications interface check
→
ENTRY
Reference 3
1. Communications type
Communications type installed is
displayed.
• RS232C
Ref. 1
Ref. 2
• RS422A
• RS485
2. Communications status display
• Normal condition:
Ref. 3
Displays one digit by one digit as
0 → 1 → 2 ...9, and after 9,
repeat from 0 again.
• Abnormal condition:
One of 0 to 9 blinks. In this case,
communications
abnormal.
Check 1 and 2 switching
or
to switch
/
%
Types of check 2
Communications check
...
...
...
circuit
is
- Quick Links:
- Measuring Input Terminals
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