Omron NT21 Reference Manual page 339

Changing Numeral and Character String Display
09000
Error flag
TIM001
09000
Error flag
TIM002
1, 2, 3...
324
PC Program
Make a PC ladder program as shown below.
@MOV(21)
#0004
Copy destination memory table entry number
102
Copy destination word
@MOV(21)
Copy source memory table entry number
#0010
101
Copy source word
@ORW(35)
#0008
Copy type, memory table copy execution bit
103
103 Word of PT status control bits
#0010
TIM
(1.0S)
001
@ANDW(34)
Memory table copy execution bit set from 1 to 0
#FFF7
103
103
@MOV(21)
#0004 Copy type, copy destination memory table entry number
102
Copy destination word
@MOV(21)
#0011 Copy source memory table entry number
101
Copy source word
@ORW(35)
Copy type, memory table copy execution bit
#0008
103
103 Word of PT status control bits
TIM #0010
002 (1.0S)
@ANDW(34)
Memory table copy execution bit set from 1 to 0
#FFF7
103
103
Program Operation
1. If an error occurs (bit 09000 goes ON), the display on the PT changes to
FAULT.
2. When the error is eliminated (bit 09000 goes OFF), the display on the PT
returns to NORMAL.
Section 3-5
(1)
(2)