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Allen-Bradley's CompactLogix and ControlLogix family of PLCs uses this communication protocol. The programming
software used by these PLCs is RSLogix5000 or Studio 5000 Logix Designer.
The iVu BCR can be controlled via EtherNet/IP using assembly objects. From the point of view of a PLC, there are three
input assemblies and two output assemblies.
The Originator of the EtherNet/IP connection is the PLC. The Target of the EtherNet/IP connection is the iVu BCR. The
direction of communication can be described as T > O or O > T (sometimes also shown as T2O or O2T).
14.4.1 Inputs to the
iVu BCR
(Outputs from the PLC)
PLC Assembly Instance 112 (0×70) - 6 Registers (
iVu BCR
Inputs/PLC Outputs)
Data transfer direction: Originator (PLC) to Target (iVu BCR). Assembly Instance 112 (0×70) is a small group of registers
used for basic control of the iVu BCR.
WORD #
WORD NAME
DATA TYPE
0
Input Bits Register (see
(p. 106))
16-bit integer
1-2
Product Change Number
32-bit integer
3-5
reserved
16-bit integer
PLC Assembly Instance 113 (0×71) - 240 Registers (
iVu BCR
Inputs/PLC
Outputs)
Data transfer direction: Originator (PLC) to Target (iVu BCR). Assembly Instance 113 (0×71) has more registers than
Assembly Instance 112. This allows for more comprehensive control of the iVu BCR, including Command Channel
functionality.
WORD #
WORD NAME
DATA TYPE
0
Inputs Bit Register (see
(p. 106)
16-bit integer
1-2
Product Change Number
32-bit integer
3-49
reserved
32-bit integer
50
Command ID
16-bit integer
51
Command Parameter Int16
16-bit integer
52-53
Command Parameter Int32
32-bit integer
54-55
Command Parameter Float
Float
56-57
String Length
32-bit integer
58-107
String Parameter
100-Byte Array
108
reserved
16-bit integer
109-110
Barcode String/Mask Length
32-bit integer
111-210
Barcode String/Mask
200-Byte Array
211-239
reserved
16-bit integer
14.4.2 Outputs from the
iVu BCR
(Inputs to the PLC)
PLC Assembly Instance 100 (0×64) - 30 Registers (
iVu BCR
Outputs/PLC
Inputs)
Data transfer direction: Target (iVu BCR) to Originator (PLC). Assembly Instance 100 is a small block of registers providing
basic inspection results from the iVu BCR.
iVu Plus BCR Gen2 Series Sensor
102
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