Warning, 4 alarm output wiring (option) – Omega RD260A User Manual
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2.2.4 Alarm Output Wiring (option)
!
NOTE
The following settings are available only for the model with relay options (-A2,
-A4, -A6).
(1) Turn the power switch off.
(2) Remove the transparent cover of the optional terminals.
(3) Connect the alarm output wires to the optional terminals.
(4) Cover the terminals with the transparent cover and secure the screws.
Depending on the type (the number of outputs) of alarm relay options, the terminal
arrangement changes as shown in the following:
ALARM
!
1
2
3
4
5
6
ALARM
!
1
2
3
4
ALARM
!
1
2
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
NO
NC
C
-A2 option
(2 outputs)
- A4 option
(4 outputs)
-A6 option
(6 outputs)
Alarm Output Terminal Arrangements
Contact characteristics:
Output type
: Relay transfer contacts
Output capacity
: 250 V AC (50/60 Hz), 3 A
250 V DC, 0.1 A (resistive load)
Dielectric strength : 1500 V AC (50/60 Hz) for one minute between output terminals
and grounding terminals
To prevent an electric shock, ensure the main power switch is turned off before
wiring.
NOTE
To prevent an emission of electromagnetic disturbances, separate the alarm
output wires from the power supply and input wires at least 0.1 m. Over 0.5 m
is recommended.
WARNING