Leuze electronic BPS 8 Original Operating Instructions page 105

Description
Byte Bit
0...7
0
8
0...7
1
8
0...7
2
8
0...7
3
8
0...7
4
8
5 0...8
AZ0 ... AZ7 are the address bits. If several BPS 8 operate in an RS 485 network, an
address configuration is required. Every BPS 8 is supplied with the Standard address 81
The address assignment (Default: 81
(see chapter 8.5.3 "Communication").
NOTE
RS485 network!
An MA 8-01/MA 8-02 connection unit is mandatory for the operation of the BPS 8 in an
RS485 network (see chapter 4.2 "MA 8-01 / MA 8-02 connection unit").
Leuze electronic
Name Function
AZ0 ... AZ7 Target address of the BPS in
the
RS 485 network
– None
AQ0 ... AQ7 Source address of the host in
the
RS 485 network
– None
L0 ... L7 Length
– None
F0 ... F7 Function identifier
– None
S0 ... S7 Control byte
– None
Checksum Check sum
Protocols for position value output
Description
Permissible address range: 2
Without function, bit permanently set to 1
Permissible source addresses: 1
Without function, bit permanently set to 0
Length of the response telegram (number of data bytes + status
byte), permissible value: 5
response)
Without function, bit permanently set to 0
The function identifier describes the action which should be exe-
cuted in the BPS and answered:
90 (5A ) = Request position data
d h
91 (5B ) = Request one-time transmission of position data
d h
92 (5C ) = Activate positioning mode
d h
Without function, bit permanently set to 0
For future function extensions.
Not currently evaluated.
Without function, bit permanently set to 0
Bitwise exclusive OR combination of bytes 0 ... 4
) is performed using the BPS Configuration Tool
d
BPS 8
... 255 , default address = 81
d d
or 129
d d
(4 data bytes +1 status byte in the
d
d
.
d
103