Beckhoff EL6201, Documentation

Page: 134 / 233

Commissioning
EL6201 134 Version: 2.2
5.7.3 Command object
Index 2000 ASI Command
You can send commands to AS-i slaves with index 2000. This is possible both during the offline phase (no
other commands on the AS-i bus) and during the management phase. In the management phase, however,
you can address only AS-i slaves that are not activated.
Index (hex) Name Meaning Data type Flags Default
2000:0 ASI Command Max. subindex UINT8 RO 0x03 (3
dec
)
2000:01 Request Slave address (see table below) OCTET-
STRING[4] RW {0}
Bit Value Description
0 - 4 0 - 255 Command sequence number
(should be incremented so that the command is sent)
8 - 15 1 reserved
2 reserved
3 reserved
4 AS-i command write parameter
5 reserved
6 reserved
7 AS-i command addressing call
If an address unequal 0 is specified in bits 16 to 23, the AS-i command " Delete operating address " is
called first, since the address can only be set if it was previously set to 0.
8 reserved
12 AS-i command change extended ID code
(slave must have address 0)
16 - 23 0 - 63 Address of the AS-i slave to which the command is to be sent (32 is not permitted)
24 - 31 0 - 31 AS-i command data:
• for AS-i command Write parameter: Parameter data
• for AS-i command Addressing call : new address
• new ID code with AS-i command change extended ID code
Index 2000 ASI Command
Index (hex) Name Meaning Data type Flags Default
2000:02 Status (see following table) UINT8 RO 0x00 (0
dec
)
Bit Value Description
0 - 7 0 ASI_COMMAND_READY
(command object ready for operation, index 0x2000:01)
1 ASI_COMMAND_BUSY
(command object not ready for operation, index 0x2000:01)
2 - 255 reserved
Index 2000 ASI Command
Index (hex) Name Meaning Data type Flags Default
2000:03 Response (see following table)
For acknowledgement of AS-i command (AS-i command
value bit 4 set): write parameter
Bits 31 to 24 return the data handed over in the call of
the AS-i command (bits 31 to 24 of the AS-i command).
For acknowledgement of AS-i command ( AS-i command
value bit 7 set ): addressing call
If the error bit (bit 15) is not set, bits 31 to 24 contain the
value 00
hex
.
If the error bit (bit 15) is set, bits 31 to 24 contain an error
code. (see following table)
OCTET-
STRING[4] RW {0}