Instruction manual

ControlWave Micro Display/Keypad Instruction Manual (D5135)
4-10 Using the 25-button Display/Keypad Issue Nov-2010
Display
Component
Description
AI - variable is alarm inhibited (alarm changes are not
transmitted.)
Note: The application programmer is responsible
for implementing alarm inhibit/enable logic through
appropriate function blocks for this to operate.
Alarm State
For Analog Variables For Logical Variables
HH High-High alarm TA alarm on TRUE
HI High alarm FA alarm on FALSE
LO Low alarm CA alarm on change of
state
LL Low Low alarm
! Unacknowledged
alarm
! Unacknowledged
alarm
Questionable
Data Status
If data is valid, is blank. If data is questionable, shows a
question mark “?”
You can perform the following operations on variables:
Activating
Manual Enable
(ME) Mode
Before you make any changes, first check the variable inhibit status
field. When the display shows ME (manual enable) you can change the
variable value or inhibit status. When it shows MI (manual inhibit), you
cannot alter the variable value or inhibit status without first changing it
to manual enable. To switch to manual enable, press the [OPER I/E]
key to change it to ME.
Note: The application programmer is responsible for
implementing variable inhibit/enable logic through
appropriate function blocks for this to operate properly.
Changing the
value of an
Analog Variable
Press [F3] (Chng in the legend line) to clear the third line. Use the
number keys 0 through 9 to enter the new value. The minus sign and
period are also permitted. Press [ENTER].
If you make a mistake, press [F3] (Chng in the legend line) and enter
the number again or use the [DEL] key to erase a character.
Another way you can enter new values is by using the up [▲] and down
[▼] arrow keys. These keys raise and lower the value by 1% of the
displayed amount.