Technical data

6-4 Bosch Rexroth AG | Electric Drives and Controls Rexroth VCP-Operating Concept | R911305038 / 01
3964 RK512
6.1.1.3 Data Request Telegram Header
If you enter the value FFH for the coordination flag number and the
value FH for the coordination flag bit into the protocol parameters, the
monitoring function is deactivated.
Specification of the Data Types in the "Data Re-
quest" Telegram Header
The operating device can access all of the data types of the controller.
The data types are decoded in the telegram header as follows.
Byte No. Meaning ASCII Hex Comment
1 Telegram ID 00 Value is always 00
2
3 Data direction E 45 E = Request
4 Command See chapter „Specification of the
Data Types in the "Data Request"
Telegram Header“ on page 6-4.
5 Source See chapter „Specification of the
Data Types in the "Data Request"
Telegram Header“ on page 6-4.
6
7 Number See chapter „Specification of the
Data Types in the "Data Request"
Telegram Header“ on page 6-4.
8
9 Coordination Flag No. FF = Without Coordination Flag
10 Coordination Flag Bit xF = Without Coordination Flag
Fig. 6-3: Data Request Telegram header for the 3964 procedure
Data Type Mnemonics Byte 4
(Com-
mand)
Byte 5 Byte 6 Byte 7 + 8
(Number)
Input Bit E E Offset Bit No. 1 Byte
Input Byte EB E Offset n Bytes
Input Word EW E Offset n Bytes
Input Double-Word ED E Offset n Bytes
Output Bit A A Offset Bit No. 1 Byte
Output Byte AB A Offset n Bytes
Output Word AW A Offset n Bytes
Output Double-Word AD A Offset n Bytes
Fig. 6-4: Specification of the data types in the "Data Request" telegram header