04: Read Input Registers or 03: Read Holding Registers
Input REG # Holding REG # WORD NAME DATA TYPE
284-301 1284-301 Barcode-3 Data 32-bit length + 32 Unicode character array
302 1302 Barcode-4 Type 16-bit integer
303 1303 Barcode-4 Length 16-bit integer
304-21 1304-21 Barcode-4 Data 32-bit length + 32 Unicode character array
322 1322 Barcode-5 Type 16-bit integer
323 1323 Barcode-5 Length 16-bit integer
324-41 1324-41 Barcode-5 Data 32-bit length + 32 Unicode character array
342 1342 Barcode-6 Type 16-bit integer
343 1343 Barcode-6 Length 16-bit integer
344-61 1344-61 Barcode-6 Data 32-bit length + 32 Unicode character array
362 1362 Barcode-7 Type 16-bit integer
363 1363 Barcode-7 Length 16-bit integer
364-81 1364-81 Barcode-7 Data 32-bit length + 32 Unicode character array
382 1382 Barcode-8 Type 16-bit integer
383 1383 Barcode-8 Length 16-bit integer
384-401 1384-401 Barcode-8 Data 32-bit length + 32 Unicode character array
402 1402 Barcode-9 Type 16-bit integer
403 1403 Barcode-9 Length 16-bit integer
404-21 1404-21 Barcode-9 Data 32-bit length + 32 Unicode character array
422 1422 Barcode-10 Type 16-bit integer
423 1423 Barcode-10 Length 16-bit integer
424-41 1424-41 Barcode-10 Data 32-bit length + 32 Unicode character array
14.5.3 Input and Output Bits
Writeable Input Bits are inputs to the iVu BCR (outputs from the PLC or HMI). They are used for basic control of the iVu
BCR. They are accessible using function code 6 (Preset Single Register). The same control is also possible using Coils
00001-16, function code 05 (Force Single Coil).
Table 18: Input Bits: PLC Holding Register 1, also Coils 00001-16
Coil 16
Coil 15 Coil 14 Coil 13 Coil 12 Coil 11 Coil 10 Coil 9 Coil 8 Coil 7 Coil 6 Coil 5 Coil 4 Coil 3 Coil 2 Coil 1
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
Command
reserved reserved reserved reserved reserved reserved reserved reserved
Set BCR
Mask
Set BCR
String
reserved
Gated
Trigger
Trigger Teach
Latch
Product
Change
Read-only Input ACK Bits are outputs from the iVu BCR (inputs to the PLC or HMI). They are used to acknowledge each of
the input bits sent from the PLC. For example, if the PLC changes the Trigger bit (from Input Bits, above) from a 0 to a 1, the
iVu BCR changes the Trigger ACK bit from a 0 to a 1 in response. 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 19: Input ACK Bits: PLC Input Register 1 or Holding Register 1001, also Inputs 10001-16
Input 16
Input 15 Input 14 Input 13 Input 12 Input 11 Input 10 Input 9 Input 8 Input 7 Input 6 Input 5 Input 4 Input 3 Input 2 Input 1
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
iVu Plus BCR Gen2 Series Sensor
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