Phoenix Contact FL WLAN 24 AP 802-11, Руководство пользователя

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Startup and functions
7190_en_02 PHOENIX CONTACT
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– Valid read requests for clients for "Read Holding Registers" functions.
– Valid write requests for APs for "Write Multiple Registers" functions.
– Valid write requests for APs for "Write Multiple Registers" functions.
- Current access point number (roaming)
Table 3-7 Modbus request for the current AP number
Request
Function code 0x03
Starting address 0x0
Quantity of registers 1
Table 3-8 Modbus response for the current AP number
Request
Function code 0x03
Starting address 0x2
Register value 2 bytes
The return value contains the AP number, which was assigned in WBM. The size is two
bytes. If the client is dialed in to an AP specified in the web interface, the number is 0. If
the client is not dialed into an AP, the number is 0xFF.
Table 3-9 Modbus request for "Write Multiple Registers"
Request
Function code 0x10
Starting address 0x1
Quantity of registers 1
Register value 2 bytes
A value !=0 starts the 24-hour radar scan.
Table 3-10 Modbus response for "Write Multiple Registers"
Request
Function code 0x10
Starting address 0x1
Quantity of registers 1 byte
Table 3-11 Modbus request for "Write Multiple Registers"
Request
Function code 0x10
Starting address 0x0
Quantity of registers 1
Register value 2 bytes
The value contains a number, which specifies the access point in the AP list to which the
client should change (roam). The AP with address 0x502 has number 1, etc.