91
Pulse I/O Board
Section 2-2
AR Area Flags
SR Area Flags
AR Area Flags
Word
Bit
Name
Function
AR 05
00
Port 1
High-speed Counter 1
Range Comparison
Flags
ON when meeting first
condition.
When the high-speed
counter is used for range
comparisons, a flag
turns ON when the cor-
responding condition is
met.
01
ON when meeting
second condition.
02
ON when meeting third
condition.
03
ON when meeting
fourth condition.
04
ON when meeting
fifth condition.
05
ON when meeting
sixth condition.
06
ON when meeting
seventh condition.
07
ON when meeting
eighth condition.
08
High-speed Counter 1
Comparison Flag
Indicates the status of the comparison operation.
0: Stopped
1: Running
09
High-speed Counter 1
Overflow/Underflow Flag
Indicates the overflow/underflow status of the PV.
0: Normal (No overflow/underflow)
1: Overflow/Underflow has occurred.
AR 06
00
Port 2
High-speed Counter 2
Range Comparison
Flags
ON when meeting first
condition.
When the high-speed
counter is used in range
comparison format, a
flag turns ON when the
corresponding condition
is met.
01
ON when meeting sec-
ond condition.
02
ON when meeting third
condition.
03
ON when meeting fourth
condition.
04
ON when meeting fifth
condition.
05
ON when meeting sixth
condition.
06
ON when meeting sev-
enth condition.
07
ON when meeting eighth
condition.
08
High-speed Counter 2
Comparison Flag
Indicates the status of the comparison operation.
0: Stopped
1: Running
09
High-speed Counter 2
Overflow/Underflow Flag
Indicates the overflow/underflow status of the PV.
0: Normal (No overflow/underflow)
1: Overflow/Underflow has occurred.
Word
Bit
Function
SR 254
15
Inner Board Error Flag
Word
Bit
Function
AR 04
08 to 15
Error codes for Inner Board in slot 2
00 Hex:
Normal
01,02 Hex:
Hardware error
03 Hex:
PC Setup error
