Table of Contents
Advertisement
Interrupt Processing
12.2.1 Programming OB2
The primary objective of OB2 interrupt processing is the fastest possible resetting of an onboard DQ
in response to changes at an interrupt input.
Operations Permissible in OB2
Operation
A
I32.0 ... I33.7
AN
I56.0 ... I56.7
O
I60.4 ... I60.7
ON
R
I60.4 ... I60.7
Q32.0 ... Q32.7
A(
O(
)
BEU
BEC
BE
Note
The runtime for OB2 may not exceed 2 ms.
12-4
Table 12-4. Operations Permissible in OB2
Operand
Binary logic operation with onboard DI
Binary logic operation with communication bits
Binary logic operation with diagnostic bits
Resetting of diagnostic bits
Resetting of onboard I/Os
Parenthesized expressions
Block End identification
Description/Comments
S5-95F
EWA 4NEB 812 6210-02
Advertisement
Table of Contents
