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Using the Alarm List/History Function
Section 8-8
[Setting]
When creating a screen using the Support Tool, set the following.
S Bit memory table
Set as shown below for the number of bits in the host to be monitored (for infor-
mation not indicated below, set as needed.).
- PC Address: Bits in the host to be monitored
- Function: Alarm
- History:
@ For alarm list: Check mark set or no check mark
@ For alarm history: Check mark set
- String Table Entry:
Table No. (0 to 1999) of the character string memory table to be displayed as a
message
- Image/Library Code:
Image/library code displayed together with a message
@ 0000H: No display
@ 0001H to 0FFFH: Image
@ 1000H to 3FFFH: Library
- Screen No.
Screen No. (0001 to 3999) of the screen to be displayed when the message is
pressed twice.
This setting is valid only when switching the screen.
S Alarm list/history
Register an alarm list/history to a screen in the manner described below (for in-
formation not indicated below, set as needed.).
- Alarm list
@ Start bit table entry:
Table No. of the first bit memory table among the bit memory tables where
the bits in the host to be monitored are registered.
@ No. of bits referenced:
The number of the bit memory tables where the bits in the host to be moni-
tored are registered.
- Alarm history
@ Type: Order of frequency or order of occurrence
To display the alarm history in the order of occurrence, set the display order
(From Old Data/From New Data) of the record data using the Hist. Disp. Meth-
od memory switch of the NT31/NT31C.
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