Configuration and operation
4.5 Telecontrol communication (CP 1542SP-1 IRC)
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
56 Operating Instructions, 01/2017, C79000-G8976-C426-03
Here, enter the project number of the CP in the partner station. (Parameter group "Security >
CP identification" on the partner)
Here, enter the station number of the CP in the partner station. (Parameter group "Security >
CP identification" on the partner)
Here, enter the slot number of the CP in the partner station via which the connection will be
established.
When enabled, the frames are stored in the send buffer (frame memory) of the CP if the
connection is disturbed. Note that the capacity of the frame memory is shared by all
communications partners.
If the option is disabled, frames for events are stored in the image memory of the CP; in
other words if there are problems on the connection older values are overwritten by new
values.
The access ID displayed here is formed from the hexadecimal values of project number,
station number and slot. The parameter of the type DWORD is allocated as follows:
● Bits 0 - 7: Slot
● Bits 8 - 20: Station number
● Bits 21 - 31: Project number
Communication with the CPU
Communication with the CPU
Using the first three parameters you specify the CPU access by the CP in the CPU scan
cycle. You will find the structure of the CPU scan cycle in the section Read cycle (Page 70).
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