Command
ACK
reserved reserved reserved reserved reserved reserved reserved reserved
Set BCR
Mask
ACK
Set BCR
String
ACK
reserved
Gated
Trigger
ACK
Trigger
ACK
Teach
Latch
ACK
Product
Change
ACK
Read-only Status Bits are outputs from the iVu BCR (inputs to the PLC or HMI). They are used to report the basic status of
the iVu BCR and the last inspection run. This information is available as Input Registers or Holding Registers. Use either
function code 04 (Read Input Registers) or function code 03 (Read Holding Registers). The same data can also be read from
Inputs (10000) using Modbus function code 02 (Read Input Status).
Table 20: Status Bits: PLC Input Register 2 or Holding Register 1002, also Inputs 10017-32
Input 32 Input 31 Input 30 Input 29 Input 28 Input 27 Input 26 Input 25 Input 24 Input 23 Input 22 Input 21 Input 20 Input 19 Input 18 Input 17
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Execution
Error
System
Error
Teach
Error
Missed
Trigger
reserved reserved reserved reserved
Output 3 Output 2 Output 1
reserved
Ready
Latch
Read/No
Read
Pass/Fail Ready
14.6 PLC5, SLC500, and MicroLogix (PCCC)
Allen-Bradley’s PLC5, SLC 500, and MicroLogix family of devices uses PCCC communications protocol.
PCCC is also known as EtherNet/IP transport class 3 and uses explicit Read and Write message commands, or EIP
messaging, placed into the ladder logic program, to interface with the Safety Controller.
These PLCs do not support cyclic EtherNet/IP IO data transfer (referred to as EtherNet/IP in this manual). The programming
software used by these PLCs is RSLogix 5 (PLC5) or RSLogix 500 (SLC500 and MicroLogix series).
The iVu BCR supports these PLCs using input and output register arrays.
The Output bits, ACK bits and Input bits bit
definitions are the same as defined in
Input and Output Bits
(p. 122). The terms
“Input” and “Output” are from the point of view of the PLC.
14.6.1 Configuration
The following images represent a typical configuration.
iVu Plus BCR Gen2 Series Sensor
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