5 view input status, 1 input status, Table 11 analog input states – Emerson Autochangeover Controllers AC8 User Manual
Page 34: Table 12 digital input states, Viewing additional input data, View input status, Input status, Table 11, Analog input states, Table 12
View Status Options
26
5.5
View Input Status
The Input Status option allows you to view the current status of all
inputs: the four analog sensor inputs and the eight digital inputs.
To view the Input Status:
• From the Main Menu, use the arrows
↑↓
to
choose View Status,
then press Enter
↵.
• From the View Status Menu, use the arrows
↑↓
to
choose View
Input Status, then press Enter
↵
.
5.5.1 Input Status
The Input Status screen displays the status of each analog sensor and
digital input.
Analog Sensor Inputs
The following details are displayed for analog sensor inputs:
• the name of the analog sensor input (for example,
SENSOR_1
)
• the current reading (
+80.00 DEG
)—values are updated constantly
while being viewed
There are three possible states for an analog input, as shown in
Digital Inputs
The following details appear for digital inputs:
• the name of the digital input (for example,
DEVICE_1
)
• the current status (
NORMAL
)—values are updated constantly while being viewed
There are three possible states for a digital input, as shown in Table 12.
Viewing Additional Input Data
All input data may be viewed by scrolling beyond the four lines that appear on the LCD at one time:
• To view all inputs, use the arrows
↑↓
.
• To return to the previous screen, press the ESC key.
Table 11
Analog input states
State
Description
Functional
Reading—-for example,
+80.00 DEG or +79.50 RH
Problem with
connection
Dashes (
------
)
Not configured
Blank
NOTE
If the status displays dashes (
------
), the AC8 was unable to take a reading. There may be a
connection problem.
If the status is blank, the sensor is not configured as being connected.
Table 12
Digital input states
State
Description
NORMAL
In normal state
ALARM
In alarm status (for an input configured as alarmable)
EVENT
An event has occurred (for an input configured as an event)
Main Menu
> VIEW STATUS
SYSTEM AND CONTROL
↑↓
=NEXT
↵
=SELECT
View Status Menu
VIEW ACTIVE ALARMS
VIEW ALARM LOG
VIEW EVENT LOG
VIEW TREND LOG
> VIEW INPUT STATUS
VIEW OUTPUT STATUS
VIEW PAGER NUMBERS
Input Status
INPUT
/
STATUS
> SENSOR_1 +80.00 DEG
SENSOR_2 ------ DEG
SENSOR_3
SENSOR_4 +79.50 RH
> DEVICE_1 ALARM
DEVICE_2 NORMAL
DEVICE_3 NORMAL
DEVICE_4 NORMAL
DEVICE_5 ALARM
DEVICE_6 EVENT
DEVICE_7 NORMAL
DEVICE_8 NORMAL