WAGO I/O-SYSTEM 750 Manual page 213

Bootloader
The bootloader is software in the first block of the bootable system. It is
loaded and executed by the firmware and, in turn, starts other parts of the
operating system. The version status of the bootloader can be separately que-
ried.
Broadcast
In broadcast mode, this is a report transmitted to all stations connected to the
network.
Bus cycle
Single instance or advice of updating of cyclical process data within an SPS
bus node.
Byte (Binary Yoked Transfer Element)
A data element larger than a bit and smaller than a word. A byte generally
contains 8 bits. A byte may contain 9 bits in 36-bit computers.
C
Channel
See "Transmission channel"
Checksum
The formation of a test sum (checksum) is used to recognize errors in data
transmission or storage. There are different methods of forming a checksum.
Usually, redundant bits calculated from the report itself are attached to a re-
port. These bits are calculated again after data transmission and compared to
the checksum.
CoD
The Bluetooth
standard type of device (for example, mobile telephone or handsfree set)
Bluetooth
specific types can also be used.
The complete CoD for the WAGO Bluetooth
000000000010000011111000
WAGO-I/O-SYSTEM 750
I/O Modules
®
Class-of-Device (CoD) is a 24-bit field indicating to which
®
devices belong. In addition to standard types, manufacturer-
bin
®
RF Transceiver 750-644 is
or 0x0020F8 .
hex
Glossary • 213