User`s manual

110 cHAPTER 6: Computer Interface Operation
Model 335 Temperature Controller
ALARM Input Alarm Parameter Command
Input ALARM <input>,<off/on>,<high value>,<low value>, 
<deadband>,<latch enable>,
<audible>,<visible> [term]
Format a,n, ±nnnnnn, ±nnnnnn, +nnnnnn,n,n,n
<input> Specifies which input to configure: A or B.
<off/on> Determines whether the instrument checks the alarm for this input,
where 0 = off and 1 = on.
<high setpoint> Sets the value the source is checked against to activate the 
high alarm.
<low setpoint> Sets the value the source is checked against to activate low alarm.
<deadband> Sets the value that the source must change outside of an alarm 
condition to deactivate an unlatched alarm.
<latch enable> Specifies a latched alarm (remains active after alarm 
condition correction)
where 0 = off (no latch) and 1 = on.
<audible> Specifies if the internal speaker will beep when an alarm condition
occurs. Valid entries: 0 = off, 1 = on.
<visible> Specifies if the Alarm LED on the instrument front panel will blink
when an alarm condition occurs.
Valid entries: 0 = off, 1 = on
Remarks Configures the alarm parameters for an input.
Example ALARM A,0[term] turns off alarm checking for Input A.
ALARM B,1,270.0,0,0,1,1,1[term] turns on alarm checking for input B, activates
high alarm if kelvin reading is over 270, and latches the alarm when kelvin reading
falls below 270. Alarm condition will cause instrument to beep and the front panel
Alarm LED to blink.
ALARM? Input Alarm Parameter Query
Input ALARM? <input>[term]
Format a
<input> A or B
Returned <off/on>,<high value>,<low value>,<deadband>,<latch enable>,<audible>,<visible>
[term]
Format n,±nnnnnn,±nnnnnn,+nnnnnn,n,n,n (refer to command for description)
ALARMST? Input Alarm Status Query
Input ALARMST? <input>[term]
Format a
<input> A - B
Returned <high state>,<low state>[term]
Format n,n
<high state> 0 = Off, 1 = On
<low state> 0 = Off, 1 = On
ALMRST Reset Alarm Status Command
Input ALMRST[term]
Remarks Clears both the high and low status of all alarms, including latching alarms.