System 450™ Series Modular Control Systems with Standard Control Modules Technical Bulletin
50
Note:
If you selected the
Sn-d
Select
Relay Differential ON
Value (dON
x
)
screen is displayed. Press or to select the temperature,
pressure, or humidity differential value at which the relay turns On. Press
to save the dON value and go to next screen. (See
on page 25 for more information.)
4. In the
Select Relay OFF Value (OFF
x
)
screen, press or to select the
temperature, pressure, or humidity value at which the relay turns Off. Press
to save the OFF value and go to the next screen.
Note:
If you selected the
Sn-d
Select
Relay Differential
OFF Value (dOFF
x
)
screen is displayed. Press or to select the
temperature, pressure, or humidity differential value at which the relay
turns OFF. Press to save the dOFF value and go to the next screen. (See
on page 25 for more information.)
5. In the
Select Minimum Relay ON Time (ONT
x
)
screen, press or to
select the minimum number of seconds that the relay stays on after the Relay
ON (or dON) value is reached. Press to save the ONT value and go to the
next screen.
6. In the
Select Minimum Relay OFF Time (OFFT
x
) screen, press or to
select the minimum number of seconds that the relay stays off after the Relay
OFF (or dOFF) value is reached. Press to save the OFFT value and go to the
next screen.
7. In the
Select Sensor Failure Mode (SNF
x
)
screen, press or to select
whether the output relay stays on or off when a sensor failure is detected. Press
to save the Sensor Failure Mode value and go to the next screen.
8. In the
Edit Sensor
(SENS
x
)
screen:
•
If the displayed sensor (Sn-1, Sn-2, Sn-3, Sn-d, HI-2, or HI-3) is the correct
sensor for the output relay, the output setup is complete. Press to go to
the Relay Output Setup Start screen.
•
If the displayed sensor (Sn-1, Sn-2, Sn-3, Sn-d, HI-2, or HI-3) is not the
correct sensor for the output relay, press or to select the correct sensor.
Press to save the new sensor selection and go to the Relay Output Setup
Start screen. Press again to go to the Relay ON Value screen and repeat
Step 3 through Step 8 for the new sensor.
The relay output is set up and saved in the control module. If you need to set up the
next output, press to navigate to the next Output Setup Start screen. If you have
completed your control system setup, press and simultaneously to return to
autoscrolling through the Main screens.
Setting up an Analog Output
Analog Outputs provide proportional analog control signals to controlled
equipment based on the sensed conditions. See
more information.
M