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 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 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 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 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 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 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 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 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
122
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