Chapter 4 Command Set 4-103
Chapter 4
Command
Syntax
Command
Name
Description I/O Module
@AADI Read Digital I/O
and Alarm
Status
The addressed module returns
the state of its digital input and
digital output channels and the
status of its alarm
4011, 4011D, 4012,
4014D, 4016
@AADO(data) Set Digital
Output Values
Set the values of the module’s
digital outputs (ON or OFF)
4011, 4011D, 4012,
4014D, 4016
@AAEAT Enable Alarm Enables the alarm in either
Momentary or Latching mode
4011, 4011D, 4012,
4014D, 4016
@AAHI(data) Set High Alarm
Value
Downloads the High alarm limit
value
4011, 4011D, 4012,
4014D, 4016
@AALO(data) Set Low Alarm
Value
Downloads the Low alarm limit
value
4011, 4011D, 4012,
4014D, 4016
@AADA Disable Alarm Disables all alarm functions 4011, 4011D, 4012,
4014D, 4016
@AACA Clear Latch
Alarm
Resets the module’s Latch
alarm to zero
4011, 4011D, 4012,
4014D, 4016
@AARH Read High
Alarm Value
Ask the addressed module to
return its high alarm value
4011, 4011D, 4012,
4014D, 4016
@AARL Read Low Alarm
Value
Ask the addressed module to
return its low alarm value
4011, 4011D, 4012,
4014D, 4016
@AARE Read Event
Counter
Ask the addressed module to
return its event counter value
4011, 4011D, 4012,
4014D
@AACE Clear Event
Counter
Reset the module’sevent
counter to zero
4011, 4011D, 4012,
4014D
4.4.4 Digital I/O, Alarm and Event Command Set