Siemens SIMATIC NET S7-300 Manual page 257

Example in STL representation:
STL
CALL FB 54, DB 54
CPLADDR := W#16#0110
DONE := M 1.1
ERROR := M 1.2
NEW := M 1.3
STATUS := MW 12
ID := W#16#86A
LEN := MW 16
MODE := MD 18
TINFO := P#DB4.DBX0.0 BYTE 32
AINFO := P#DB4.DBX32.0 BYTE 532
Explanation of the Formal Parameters
The following table explains all the formal parameters for FB54:
Paramet Declarat
er ion
CPLADDR INPUT
DONE OUTPUT
ERROR OUTPUT
NEW OUTPUT
STATUS OUTPUT
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
7 Programming FCs (Functions) and FBs for S7 Ethernet CPs
Explanation
// PNIO_ALARM block call
(read/write data record)
// Module address from hardware configuration
// Address for return parameter DONE
// Address for return parameter ERROR
// TRUE: A new alarm was received
// Error code of the SFB or PNIO-Ctrl
// Logical base address of the component (module
or submodule) from which an alarm was
received
// Length of the received alarm information
(AINFO)
// RESERVED (value always = 0)
// (task information) Destination area for OB
start information and management information;
fixed length 32 bytes of diagnostic
information
// (alarm information) Destination area for
header information and additional alarm
information
Data Possible
type Values
WORD -
BOOL 0: -
1: Alarm information
transferred
successfully
BOOL 0: -
1: Error
BOOL 0: Data transfer active or
no new alarm
1: New alarm received
and acknowledged
WORD 0: No error
Other value: Error
(see Table 7-14)
Remarks
Start address of the module that
caused the problem
This parameter indicates whether or
not the job was completed without
errors.
If DONE = 1, the NEW parameter must
also be checked.
Error code
If DONE = 1 and NEW = 1, a new
received alarm is signaled.
Status code
A -257