HMS Networks Anybus Wireless Bolt CAN User Manual page 29

Configuration
CAN Ethernet Protocols
SLCAN Protocol
Fig. 18
SLCAN is an ASCII-based protocol.
Each frame follows the following format: [type][id][length][data]\r
[type]
[id]
[length]
[data]
\r
Frame examples
• t1234aabbccdd\r
Standard frame with identifier 0x123 and data 0xAA 0xBB 0xCC 0xDD.
• R02468ace8\r
Extended remote frame with identifier 0x02468ACE and length set to 8.
CAN Ethernet Protocol SLCAN example
Fig. 19
® ™
Anybus Wireless Bolt CAN User Manual
Type of CAN frame:
t
Standard frame
T Extended frame
r
Standard remote frame
R
Extended remote frame
CAN frame identifier. Length of field depends on frame type.
Standard frame: 3 hex digits (000 to 7FF)
Extended frame: 8 hex digits (00000000 to 1FFFFFFF)
A digit (0 to 8) specifying the length of the data field (DLC in CAN terminology).
One pair of (case-insensitive) hex digits for every data byte.
A carriage return character (ASCII code 13 or 0x0D).
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