Remote Contacts Input Check - Omega RD2800 Series User Manual

19. HARDWARE CHECK
This check is only available for the remote contacts (option). It checks the input signals (shorted or open) at the
remote contacts terminals.
■
Check Flow Chart
Operation screen
[Engineering mode selection]
    
Cursor
[Selecting check]
    
[Displaying check 1]
     
Cursor
[Displaying check 2]
    
Cursor
[Selecting remote contacts]
    
Cursor
[Selecting input signal]
   
（ ＋
SHIFT
A - Z
3 sec. or more
Check
°F
°C
Cursor
/ %
(1) (2) (3)
°F °C
ENTRY
EX1
EX2
EX3
EX4
ENTRY
－１１５－

19.6 Remote Contacts Input Check

Remote contacts terminals
DISP
2 sec. or more
6
）
→
ENTRY
Remote contacts signals and functions
Eleven kinds of operations are
Ref. 1
available by the remote contacts
signals. The operation allocated to
Ref. 2
each terminal (EX1 to EX4) can be
checked. ⇒ See Section 13.2.
Reference 1
Press
Check 1 and 2.
Reference 2
Ref. 3
(1)  : Alarm output check
(2)  : Remote contacts input check
(3)  : Communications interface check
Reference 3
The input signals at EX1 to EX4 are:
0: Open
EX1 EX2 EX3 EX4 COM
Check 1 and 2 switching
or to switch
/ %
Types of check 2
Input signal
1: Shorted