559
Enabling/Disabling PT Operations
Section 8-12
[Operation]
Bits used to control the PT status (PT status control bits) are provided at the fourth
word (word n + 3) from the beginning in the PT status control area.
- Bit 6: Enabling/disabling the PT side window opening
- Bit 5: Enabling/disabling the inputting of numeric values and character strings
- Bit 4: Enabling/disabling the PT side screen switching
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Bit
0
0
Controlled Item
Screen display
Processing priority registration (for NT link (1:N))
Continuous buzzer
Intermittent buzzer (short)
Display history initialization
Not used
Intermittent buzzer (long)
Backlight mode
Screen printing
PT window opening
Numeral/character string input
PT screen switching
Memory table copy execution
Memory table copy type
Alarm history initialization
Not used
1 (ON)
Performed
Registered
Sounded
Sounded
Performed
Sounded
Lit
Performed
Disabled
Disabled
Disabled
Performed
Numeral
Performed
0 (OFF)
Not performed
Canceled
Stopped
Stopped
Not performed
Stopped
Flashing
Not performed
Enabled
Enabled
Enabled
Not performed
Character string
Not performed
Always “0”
Always “0”
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
To control the operation by the NT31/NT31C while it is running, operate the PT
status control area in the manner shown below.
(1) Change the setting of the bits in the fourth word (word n + 3) from the begin-
ning in the PT status control area as indicated below according to the required
control.
word n + 3
@ Bit 6: To control the PT side window opening
@ Bit 5: To control the inputting of numeric values and character strings
@ Bit 4: To control PT side screen switching
To disable operation:1 (ON)
To enable operation: 0 (OFF)