Bosch Rexroth OptiFeed-FS EcoDrive 03 FLP04VRS - Page 337

ECODRIVE03-FL*-04VRS Command Communications 11-7
DOK-ECODR3-FL*-04VRS**-FK01-EN-P
Write Status Word / Read Status Word
Bits Function
0..9 Variable Number
10..13 Format / Error Number
14 Error Bit
15 Handshake Bit
toggles to the Status
Word
Fig. 11-12: Status Word for Variable
Write Control Word / Read Control Word
Bits Function
0..9 Variable Number
10..13 Format
14 Reserved (always 0)/
Version Number: 0
15 Handshake Bit
toggles to the Status
Word
Fig. 11-13: Control Word for Variable
Handshake
When restarting the DKC, the handshake bits are the same.
When the master makes a read or write request, the respective
handshake bit must be toggled in the control word. After the DKC has
processed the request, it toggles the respective handshake bit in the
status word.
Handshake Bit
Control Word
Handshake Bit
Status Word
Status
0 0 No function
1 0 Request from the Master
1 1 Request processed by the Slave (DKC)
1 1 No function
0 1 Request from the Master
0 0 Request processed by the Slave (DKC)
0 0 No function
Fig. 11-14: Handshake Process