Emerson Autochangeover Controllers AC8, User Manual

Page: 49 / 128

System and Control Options
41
7.5.1 Identify the Sensor as Connected
To make use of an analog sensor, you must specify it as Connected (Y).
By default, analog sensors are Not connected (N).
Disconnecting a sensor will turn off staging for that sensor’s zone if
staging has been turned on for the zone (see 7.10.6 - Specify Staging
for details on staging).
• From the Setup Sensor Menu, choose Connected , as shown at
right, and press Enter
↵
.
• To change this feature, use the arrows
↑↓
to choose Y (Yes - Con-
nected) or N (No - Not connected), then press Enter ↵ .
7.5.2 Change Sensor Label (Name)
Each sensor has a default label (Sensor_1, Sensor_2, etc.) that you may
change to a more descriptive name. The label may consist of up to eight
characters (see Table 14 for valid characters).
• From the Setup Sensor Menu, choose Label for the selected sen-
sor— Label: Sensor_1 in the example—and press Enter ↵ .
• To change the sensor’s label, which may consist of up to eight char-
acters:
• Use the arrows
↑↓
to choose a character.
• Press Enter ↵ to advance to the next character position.
• When finished, press Enter ↵ again.
7.5.3 Change Units Label
For each sensor, you may use a three-character label to specify mea-
surement units, such as DEG (see Table 14 for valid characters).
• From the Setup Sensor Menu, choose Units for the selected sensor
and press Enter
↵
.
• To enter the units label, which may consist of up to three charac-
ters:
• Use the arrows
↑↓
to choose a character.
• Press Enter
↵
to advance to the next character position.
• When finished, press Enter ↵ again.
Setup Sensor Menu
SETUP SENSOR_1
> CONNECTED: N
LABEL: SENSOR_1
↑↓
=NEXT
↵
=SELECT
UNITS: DEG
4 mA: +045.0
20 mA: +096.0
OFFSET: +000.0
ALARM/EVENT: AL
LATCHED: N
LOW SETPT: +0050.0
HIGH SETPT: +0090.0
SENSOR DELAY: 00:01
Sensor Connected
IS THE SENSOR
CONNECTED? N
↑↓
=Y/N
↵
=END
Setup Sensor Menu
SETUP SENSOR_1
CONNECTED: Y
> LABEL: SENSOR_1
↑↓
=NEXT
↵
=SELECT
UNITS: DEG
4 mA: +045.0
20 mA: +096.0
OFFSET: +000.0
ALARM/EVENT: AL
LATCHED: N
LOW SETPT: +0050.0
HIGH SETPT: +0090.0
SENSOR DELAY: 00:01
Change Sensor Label
CHANGE SENSOR LABEL
LABEL: ROOM TMP
↑↓
=SELECT
↵
=END
Setup Sensor Menu
SETUP SENSOR_1
CONNECTED: Y
LABEL: ROOM_TMP
↑↓
=NEXT
↵
=SELECT
> UNITS: DEG
4 mA: +045.0
20 mA: +096.0
OFFSET: +000.0
ALARM/EVENT: AL
LATCHED: N
LOW SETPT: +0050.0
HIGH SETPT: +0090.0
SENSOR DELAY: 00:01
Change Units Label
CHANGE UNITS LABEL
UNITS: DEG
↑↓
=SELECT
↵
=NEXT/END