Siemens SIMATIC VS120 Operating Instructions Manual page 144

Process interfacing over an automation system (PLC, PC)
10.5 Function block FB1
Parameters
NDR
ERROR
ERRCODE
MODEL_OUT
LENGTH
10-18
Decla- Data
ration type
OUTPUT BOOL
OUTPUT BOOL
OUTPUT WORD
OUTPUT BYTE
OUTPUT INT
Description
New Data Received: Receive new data
Note:
This parameter is available for only one CPU cycle.
An error has occurred.
The system outputs a return value with error code if an
error occurs while it executes the function:
W#16#0000: No error
•
W#16#1xyz: FB1 internal fault
•
W#16#2xyz: Processing unit error
•
W#16#8xyz: Error messages of internal SFCs
•
Number of the currently selected model
Length of the result in bytes
Operating Instructions, Edition 02/2006, A5E00757507-01
Vision Sensor SIMATIC VS120