PC Control / Profi Control 645-12M Instruction Manual pdf - Kuhnke

PC Control 645-12M on PROFIBUS
4.9.2.2. Functional principle of KUBES module DP_CTRL
Byte
0 Job
The name of the KUBES module is "DP_CTRL". It is contained
in module library "KULIB64M.LIB" which is delivered
with KUBES, version 5.20 or higher.
Parameter field
When you load DP_CTRL you specify the first address of a
parameter field as the module's start parameter. Make
sure that this parameter field is located in the byte
operand range. Its length depends on the type of service
and, for services 8 and 9, on the DP slave's data
structure. If you define a separate parameter field for
every service, the DP master can control several services
at the same time. Repeat service requests that the KUBES
module does not respond to (active bit = 0). If you define
one parameter field for all services you can only request
one service at a time.
The first bytes of the parameter field have the same structure
for every service; service-related information starts in
byte 3:
Descriptio n
B it 0...5 No. of service (see "4.9.2.1. Available services" )
Bit 6 0:
Job not active
action
bit 1:
Job active
Bit 7
error bit
0:
No error
1 : Error (see byte 1, error number)
1 Error
# Number of error indicated by bit 7
2 Station
#
DP slave's PROFIBUS station address
3...n
D ata
Service-related data (see description of services)
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