DP-V1 communication
64
Communication start-up
The following Service Access Points (SAPs) are used to initiate
DP communication:
SAP 61 (Set_Prm)
This SAP is used in the parameterisation of the drive.
SAP no. Short Name Name
51 Server_SAP Acyclic Read/Write
61 Set_Prm Send Parameter Data
62 Chk_Cfg Check Configuration Data
60 Slave_Diag Read Slave Diagnostic Information
0 (Default SAP) Data_Exch Transfer Input and Output Data
Prm_Data (Parameter Data Standard)
Type: Octet String - Length: 8
Byte Value Description
0B8h Station_Status
1 - 2 Watchdog Factors 1 and 2 (set by the PROFIBUS master)
WdFactor1 × WdFactor2 × 10 ms = monitoring time of the
slave to verify that the master is still active.
3 0Bh Minimum Station Delay Respond Time
Time after which a slave station is allowed to send response
frames to the master. Calculated by multiplying the hex
value with t
Bit
(time required for transmitting one bit).
4 - 5 0812h Vendor Identification (for the RPBA-01: 0812h)
6 00h Group Identification
Reserved
Sync_Req
Unlock_Req
Lock_Req
Freeze_Req
1 = Slave is requested to process in freeze mode
WD_On
1 = Watchdog on
10111000
00 = Min TSDR and slave-related
parameters may be overwritten
10 = Slave locked for other masters.
All parameters can be carried over
x1 = Slave released for other masters
1 = Slave is requested to process in SYNC mode
MSB LSB