Rockwell Automation Allen-Bradley 856T-B24LC, User Manual, Page: 57 / 82

Rockwell Automation Publication 856T-UM001B-EN-P - April 2021 57
Appendix
C
Device Parameters
When you use Explicit Messages to read/write parameter values from/to the
856T-B24LC module, you must know the index number, data type, and size of
the data that is transmitted/received. The Identification table provides this
information for each of the device parameters.
Identification Tab
Observation Tab
Table 13 - Identification Tab
Parameter Name
Index
(Hex/Dec)
Sub Index
(Hex/Dec)
Access Default Value Allowed Value
Data Type
(Length, Offset)
Device Information
Vendor Name 0x0010/16 — Read-only Allen-Bradley Allen-Bradley
StringT
(13 bytes)
Product Name 0x0012/18 — Read-only 856T-B24LC 856T-B24LC
StringT
(10 bytes)
Product ID 0x0013/19 — Read-only 856T-B24LC 856T-B24LC
StringT
(19 bytes)
Product Text 0x0014/20 — Read-only
Towerlight IO-Link class-
B light and sound module
controller
Towerlight IO-Link class-B light
and sound module controller
StringT
(60 bytes)
Serial Number 0x0015/21 — Read-only — —
StringT
(10 bytes)
User-specific Information
Application-Specific Tag 0x0018/24 — Read/write —
StringT
(32 bytes)
Revision Information
Hardware Revision 0x0016/22 — Read-only — —
StringT
(16 bytes)
Firmware Revision 0x0017/23 — Read-only — —
StringT
(6 bytes)
Table 14 - Observation Tab
Parameter Name
Index
(Hex/Dec)
Sub Index
(Hex/Dec)
Access Default Value Allowed Value
Data Type
(Length, Offset)
Stack Status
.Module (Circuit_) 0x0133/307 — Read-only 0 0…7
RecordT
(bit length = 56)
.Module (Circuit 1) 0x0133/307 0x0001/1 Read-only 0 0…7
UIntegerT
(bit length = 8,
bit offset = 48)
.Module (Circuit 2) 0x0133/307 0x0002/2 Read-only 0 0…7
UIntegerT
(bit length = 8,
bit offset = 40)
.Module (Circuit 3) 0x0133/307 0x0003/3 Read-only 0 0…7
UIntegerT
(bit length = 8,
bit offset = 32)