Omega RD200 - Manual (Page 121)

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19. HARDWARE CHECK 19.7 Communications IF Check
2
Check Flow Chart
Operation screen
[Engineering mode selection]
（ ＋ ）
3 sec. or more
    
[Selecting check]
→
    
[Displaying check 1]
     
[Displaying check 2]
    
[Selecting communications]
    
[Communications check]
 
Check ends
Press or to switch
Check 1 and 2.
(1): Alarm output check
(2): Remote contacts input check
(3): Communications interface check
1. Communications type
Communications type installed is
displayed.
• RS232C
 … 
• RS422A
 … 
• RS485
  … 
2. Communications status display
• Normal condition:
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 circuit is
abnormal.
2 sec. or more
Cursor Check
Cursor
DISP
SHIFT
6
A～Z
(1) (3) (2) Cursor
Cursor
Communications type Send/Receive status display
°C °F ENTRY
% /
°C °F
ENTRY
ENTRY
% /
Cursor
Check 1 and 2 switching Reference 1
Types of check 2 Reference 2
Communications check
Reference 3
Ref. 1
Ref. 2
Ref. 3