Input And Output Flags Bits; Configuration Assembly Object; Data Formats; Minimum Requested Packet Interval (Rpi) Value - Banner iVu Plus BCR Gen2 Series Instruction Manual

iVu Plus BCR Gen2 Series Sensor

14.4.3 Input and Output Flags Bits

The Input Bits are used to command execution of basic functions. The Output Bits are used to push single bit outputs from
the iVu BCR device to the PLC. The 32 bits of iVu BCR output can also be accessed using the bits of the first two Output
Registers (Input Bits ACK Register(word 0) and Output Bits Register (word1)).
Table 10: Inputs Bits Register (Command Flag Bits)
Bit Position
15 14 13 12
Command
Table 11: Input Bits ACK Register (ACK Flag Bits)
Bit Position
15 14 13 12
Command
ACK
Table 12: Output Bits Register (iVu BCR Status Flag Bits)
Bit Position
15 14 13 12
Execution System Teach Missed
Error Error Error Trigger

14.4.4 Configuration Assembly Object

The iVu BCR EtherNet/IP implementation does not support an assembly object Configuration instance. However, one is
required for the creation of implicit Class 1 connections on a ControlLogix
is defined as instance number 128 (0×80). Its size is zero.

14.4.5 Data Formats

The iVu BCR EtherNet/IP implementation supports 32-bit Integers in LSW_MSW data format. The LSW_MSW data format is
such that the least significant word is stored first, then the most significant word. This format is used for Allen-Bradley
ControlLogix PLCs.
The string format is compatible with the Allen-Bradley ControlLogix built-in string data type. This format is a 32-bit (DINT)
length followed by character bytes (SINT). This results in the following string format as viewed from the iVu BCR:
0
Word
Length Length
LSW MSW

14.4.6 Minimum Requested Packet Interval (RPI) Value

The iVu BCR can operate with input and output Requested Packet Intervals (RPIs) as low as 50 milliseconds. The device
may not operate reliably if a lower RPI value is selected.
11
®
ControlLogix is a trademark of Rockwell Automation, Inc.
106
11 10 9
11 10 9
11 10 9
1 2
byte 1 byte 0
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8 7 6 5
Set BCR Set BCR
Mask String
8 7 6 5
Set BCR Set BCR
Mask String
ACK ACK
8 7 6 5
Output 3 Output 2 Output 1
®
11 family PLC. Therefore, a configuration instance
3
byte 3 byte 2 byte 5
4 3 2 1
Gated Teach
Trigger
Trigger Latch
4 3 2 1
Gated Teach
Trigger
Trigger Latch
ACK
ACK ACK
4 3 2 1
Ready to Read/No
Pass/Fail
Latch Read
4
byte 4 ...
0
Product
Change
0
Product
Change
ACK
0
Ready
...