Object dictionaries
7725_en_01
PHOENIX CONTACT
B-1
B Object
dictionaries
Due to the complexity of the station, the station is divided into slots 0 to 63. The slots
represent the individual slots of the station. Slot 0 represents the bus coupler, slot 1 the
integrated inputs and outputs on the bus coupler, and slots 2 to 63 the additional bus
devices.
To parameterize the station, each slot offers one or more object references, which can be
used to acyclically parameterize the bus coupler and the bus devices. In the following
section, these objects are explained in more detail in reference to the slots.
B 1
Slot 0
The following station-specific indices are implemented on slot 0:
Bit 0 can be used to restart the local bus at any time. If a new activation status has been
specified via index 6, it is used for this restart. Please note that during a restart the terminal
output data is reset to its terminal-specific reset values.
Bit 1 can be used to reset peripheral faults that have to be acknowledged. This function has
been prepared for future terminals.
Set bit 2 if the diagnostics of all connected terminals are to be read in again. This is only
useful if terminals are connected for which object 18
hex
(diag state) is implemented. Usually
this includes all devices that use PCP. Therefore check in the relevant data sheet whether
the terminal supports PCP.
Index 3:
PDU length
Function:
Data width of the virtual C1 module
(process data interface for acyclic communication) in bytes
Access:
Read
Length:
1 byte
Note:
For DP/V0 access only
Index 4:
Master control
Function:
Control bits for station
Access:
Write
Length:
1 byte
Structure:
Bit 0: Restart local bus
Bit 1: Acknowledge PF
Bit 2: Update diagnostics (evaluation of index 18 on PCP terminals)
Bit 3: Unlock dynamic configuration
Bit 4: Reserved (set to 0)
Bit 5: Reserved (set to 0)
Bit 6: Reserved (set to 0)
Bit 7: Reserved (set to 0)
Содержание IL PB BK DI8 DO4/EF-PAC
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Страница 72: ...IL PB BK DI8 DO4 EF PAC A 8 PHOENIX CONTACT 7725_en_01 ...