Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 308)

Publication 900-UM007D-EN-E - January 2011
5-80 Parameter Functions & Definitions
Function: When this parameter is set to ON, the alarm function is held until
one of the following conditions are satisfied:
• The power to the controller is cycled.
• The latch is cancelled by the PF Key. (PF Setting = LAT: Alarm Latch
Cancel)
• The latch is cancelled by an event input.(Event Input Assignment 1 and
2 = LAT: Alarm Latch Cancel)
• The output is turned OFF when switching to the Initial Setting function
group, communications function group, Advanced Setting function
group, or calibration level.
• If an auxiliary output is set to close in alarm, the output is kept closed. If
it is set to open in alarm, it is kept open.
Related Parameters
• Alarm Value 1 to 3 (Operation function group, page 5-16)
• Upper-Limit Alarm Value 1 to 3, Lower-Limit Alarm Value 1 to 3
(Operation function group, page 5-20)
• Alarm 1 to 3 Type (Initial Setting function group, page 5-59)
• Standby Sequence Reset Method (Advanced Setting function group,
page 5-72)
• Auxiliary Output 1 to 3 Open in Alarm, (Advanced Setting function
group, page 5-73)
• Event input assignment 1 and 2 (Initial Setting function group, page
5-66) HB ON/OFF: (page 5-74), PF setting: (page 5-101) (Advanced
Setting function group)
Protect Function Group Move Time
Function: This parameter allows you to configure the control panel key
pressing time required to move to the Protect function group from the
Operation function group, Adjustment function group, or Monitor/Setting
function group.
Table 5.CS
Selections Default Selection
on: ON
off: OFF
off
prlt